African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6933

AJAR Articles

Zoning and agro-climatic characterization of hotspots in the Tana-Beles Sub-Basin – Ethiopia

April 2023

Agro-climatic zonation is very important for planning crop patterns and to bring out the agricultural potential of a region. It must be done based on a specific development objective and on a rational basis. The objective of the present study was to classify the Tana Beles sub-basins (TBSB) into homogenous agro-climatic patterns and assessing suitability for crops that could be growing in each Agro-climatic zone. The...

Author(s): Tesfay Mekonnen Weldegerima, Belay Simane Birhanu and Tadesse Terefe Zeleke  

Efficiency and diversity of nitrogen fixing bacteria colonizing Macroptilium lathyroides (L.) Urb

April 2023

The objective of the present work was to study the efficiency and diversity of nitrogen-fixing bacteria that colonize the weed Macroptilium lathyroides (L.) Urb. M. lathyroides roots were collected in areas of natural infestation of the species in rural and periurban areas of the municipality of Alta Floresta-MT, Brazil. The roots that presented nodulation were washed and their nodules removed, disinfected and...

Author(s): Lucas de P. Mera, Oscar M. Yamashita, Raíssa P. Vicentin, Anderson Ferreira, Ana A.B. Rossi, Marco A.C. Carvalho, Luis F. C. Ribeiro, Eulália S. S. Hoogerheide, Maurício Franceschi, Adriano M. Rocha, Wagner Gervazio, Ana C. D. Guimarães and Rivanildo Dallacort  

Coping with catastrophe: Crop diversity and crop production in Tigray National Regional State in Northern Ethiopia

March 2023

Tigray, the most northern of Ethiopia’s ethnically based regional states, covers an area of 53 386 km2 and has a population exceeding 5.17 million of whom some 24.3% are urban dwellers. Wide agroclimatic variations result from altitudinal differences (600 to 3000 m) and rainfall patterns. The area is a center of origin of many cultivated and wild plants. The mainly agricultural rural population, farming small...

Author(s): R. Trevor Wilson  

Determination of import demand of wheat in Kenya; A time series analysis from 2000 to 2019

March 2023

Trade influences economic growth and entails imports and exports. In Kenya, wheat imports have been expanding with no sign of slowing down and this has become a matter of great concern because the country is losing over 30 billion Kenyan shillings in importing wheat on a yearly basis. This motivated the need to estimate wheat import demand model, which was conducted using secondary time series data from 2000 to 2019....

Author(s): Henry Kipsang Too, Hillary Kiplangat Bett and Raphael Gitau  

Systemic challenges hindering the flow of sustainable forestry knowledge among smallholder farmers in South Africa

March 2023

South African democratic governments instituted several policies aimed at developing the capabilities of smallholder foresters to ensure economic inclusion and rural development. Skills development to build smallholder capabilities was deemed necessary to improve productivity, food security and conserve forestry resources. However, systemic blockages within the South African skills system hinder skills development,...

Author(s): Dandira Mushangai  

Design optimization of communal solar powered irrigation system

March 2023

Communal solar-powered irrigation systems (SPIS) have the potential for sharing the upfront costs hence encouraging farmers to adopt irrigation. Conventional methods of sizing photovoltaic water pumping (PVWP) system for irrigation consider the hydraulic energy requirement by the pump and PV generator capacity separately from the available water source capacity. As a result, the potential of the technology is not...

Author(s): Isaac Kyeyune, and Joshua Wanyama  

Biochar as an alternative to improve the in vitro environment for Pitaya (Hylocereus undatus Haw) and strawberry (Fragaria x ananassa Duch) growing

March 2023

In vitro cultivation is widely used for micropropagation of several plant species; however, the increase in the gas concentration, such as ethylene gas, inside the growth vials can cause physiological changes. Thus, 4 experiments were carried out at the Federal University of Minas Gerais to evaluate the biochar use from sugarcane bagasse in vials with or without caps with porous membrane in the in vitro growing of...

Author(s): Laura Souza Santos, Érika Manuela Gonçalves Lopes, Claudinéia Ferreira Nunes, Demerson Arruda Sanglard, Eulina Fernandes Damião, Matheus Mendes Reis,  Leidivan Almeida Frazão and Luiz Arnaldo Fernandes  

Impacts of farmer field schools on food security and environmental conservation in Western Kenya

March 2023

This study assessed the impacts of Farmer Field Schools (FFS) on household food security and environmental conservation in the Western Province of Kenya. The outcome variables were: Maize yield per acre, income per acre, household food insecurity score and environmental conservation score. Principal component analysis and propensity score matching techniques were used for analyses and regression method to test the...

Author(s): Laurine Kithi, Amin Mugera and Bujdoso Geza  

Typologies of pineapple-based farming systems in Centre-Cameroon

March 2023

The high diversity in pineapple fields and farmers provide huge challenges in farm management in already dwindling pineapple production sector in the center region of Cameroon. A first step to overcome these production challenges is to manage the afore-mentioned diversity to a reasonable level without loss of detail and specific management interventions for each category or typology proposed. Field surveys were...

Author(s): Marius Georges Etame Kossi, Honoré Beyegue Djonko, Asafor Henry Chotangui, Alexis Boukong and Jean-Pierre Mvondo Awono

Artificial intelligence and deep learning based technologies for emerging disease recognition and pest prediction in beans (phaseolus vulgaris l.): A systematic review

March 2023

Artificial Intelligence (AI) and deep learning have the capacity to reduce losses in crop production, such as low crop yields, food insecurity, and the negative impacts on a country’s economy caused by crop infections. This study aims to find the knowledge and technological gaps associated with the application of AI-based technologies for plant disease detection and pest prediction at an early stage and recommend...

Author(s): Michael Pendo John Mahenge, Hussein Mkwazu, Camilius A. Sanga, Richard Raphael Madege, Beatrice Mwaipopo and Caroline Maro  

Exploration of challenges and associated recommendations to livestock sector development in South Africa using a stakeholder-driven approach

March 2023

Development of the livestock sector in South Africa has the potential to contribute significantly to national development. The aim of this study was to explore challenges and propose recommendations to support livestock sector development in South Africa using a stakeholder-driven approach. Interviews with high-level stakeholders across major livestock industries were conducted to gather insights. Responses were...

Author(s): Carla Louise Stoffel  

Effects of plant densities on the performance of common bean varieties in multiple environments of northwestern Tanzania

March 2023

A study was carried out at two sites in Tanzania to assess the effect of different planting densities on growth and yield of five recently released bush bean varieties. The experiment was laid out in a split-plot design in a factorial arrangement with three replications during long and short rainy seasons of 2019/20 and 2020/21. The treatments comprised five bean varieties; TARIBEAN 1, 2, 3, 4 and 5 and five plant...

Author(s): Raya Amara, Joseph Kimisha, Julius Mbiu, Teshale Assefa and Boaz Waswa

Growth performance and carcass composition of African catfish (Clarias gariepinus Burchell, 1822) fed on black soldier fly (Hermetia illucens Linnaeus, 1758) larvae based diets

March 2023

A 12-week feeding trial was conducted to evaluate the effects of replacing fishmeal with black soldier fly larvae (BSFL) meal on growth performance and carcass composition of African catfish fingerlings. Five isonitrogenous (40% CP) diets of 0 (Control), 25, 50, 75 and 100% fishmeal with BSFL were used in triplicate. A randomized complete block design was used, and 600 fingerlings (0.46±0.02g) were randomly...

Author(s): General Beven Mundida, Julius Otieno Manyala, James Madzimure and Kenneth Rono  

Role of income from rice cultivation on livelihoods of rice farmers: Evidence from Ahero Region, Kenya

February 2023

In Africa, the demand for rice has increased rapidly as urbanization progresses and assistance is being provided to improve productivity and rice farming management. In the rice-cultivation area near Lake Victoria in western Kenya, where farmers are called “outgrowers”, wage labor costs put pressure on rice farming and reduce profits. However, wage laborers were rice farmers living in the same area. The...

Author(s): Yuko Yamane  

Response of spring wheat (Triticum aestivum L.) cultivars to ridge -furrow tillage systems

February 2023

Tillage system is one of the main factors influencing growth and physiology of wheat (Triticum aestivum L.), that eventually translates to high yield and good kernel quality. The objectives of this study were to determine the effects of the ridge (RT) and flat tillage (FT) systems on (i) growth and production of spring wheat, (ii) root growth and physiology and (iii) soil physical properties. Trials were conducted at...

Author(s): Zabdi Kipngetich Chumba, James Otieno Owuoche, Victor Wafula Wasike and Alex Machio Kange

Effects of corn-pea mixture and harvesting days on forage yield and quality

February 2023

The objective of this study was to assess the effect of mix-cropping, Yangtsepa corn variety with legume Sesbania, and single cropping on the forage yield and quality at 60-, 90-, and 120-days harvest. Randomized Complete Block Design (RCBD) with three replications was used as an experimental design. The corn and pea were line sown at 20 cm apart with a seed ratio of 50:50. The results showed higher corn forage yield...

Author(s): Chencho Drugay and Jigdrel Dorji  

Nitrogen effects on leaf gas exchange, vegetative growth and yield of black pepper plants using Gliricidia sepium as living support

February 2023

For the implantation of one hectare of black pepper (Piper nigrum), about 25 to 30 trees are removed from the Amazon Forest to produce tutors for black pepper. As an alternative to the dead wooden stake (WS), there is sustainable cultivation of black pepper with tree species, with the living supports (LS) of gliricídia (Gliricidia sepium L.). However, there is inadequate technical information on the effect of...

Author(s): Rubia Carla Ribeiro Dantas, Hugo Alves Pinheiro, Edilson Carvalho Brasil, Oriel Filgueira de Lemos, João Paulo Castanheira Lima Both, Sônia Maria Botelho and Joaquim Alves de Lima Junior  

Factors influencing choice of milk market outlets among smallholder dairy farmers in Kuresoi north sub-county, Kenya

February 2023

Kuresoi North Sub-County has experienced a rapid expansion in milk production and there exist both formal and informal milk market outlets. With these abundant opportunities, much of the produced quantities of milk are expected to enter the market and farmers’ livelihoods be improved. However, it is not clear whether the smallholder milk producers are exploiting the existing and emerging market opportunities...

Author(s): Kibet R. Kurgat, Job K. Lagat and Edith W. Gathungu

Species of the Corchorus genus: Identification, nomenclature and socio-economic role in Burkina Faso

February 2023

Indigenous leafy vegetables play a significant socio-economic role for the local population. However, most of them used at the local level have not been studied a lot and their nutritional values are less implemented. This study focuses on the local nomenclature and the socio-cultural services of the species of Corchorus genus. Therefore, a collection followed by an ethnobotanical survey was carried out in 22 provinces...

Author(s): Sawadogo Zakaridja, Kiebre Zakaria, Kiebre Mariam, Sawadogo Pingawinde and Bationo-Kando Pauline  

Depth and soil physiochemical properties effects on soil compaction in agricultural field

February 2023

Physical and chemical properties of the soil are key determinants of farm soil compaction. The purpose of this study is to study the effects of depth and soil physiochemical properties on soil compaction. Soil compaction was measured using a Spot On digital compaction meter. During the soil compaction field test five different depths were selected. In the soil laboratory, soil texture, soil pH, soil electric...

Author(s): Yared Seifu, Someshakher S Hiremath, Simie Tola and Amana Wako  

Bacillus subtilis UFMT-Pant001 as a plant growth promoter in soybean in a greenhouse

February 2023

This study aims at evaluating the agronomic efficiency of the Bacillus subtilis UFMT-Pant001 strain as a plant growth promoter in soybean at three greenhouses from distinct Brazilian regions. The treatments were formulated based on this strain at a concentration of 1x109 UFC.mL-1 in volumes of 100, 150, 200, 250, 300, 350 or 400 mL for each 50 kg of seeds. Bradyrhizobium japonicum was added in all experiments, and the...

Author(s): Marco Antonio Camillo de Carvalho, Marco Eustáquio de Sá, Daniela Tiago da Silva Campos, Alexandre Paulo Machado, and Aloisio Freitas Chagas Junior

Effects of cricket frass on vegetative growth of Cleome gynandra

February 2023

Insect farming as food and feed has gained popularity. Insects require less land and water and are efficient in feed-food conversion, making them a sustainable alternative source of protein for food fortification and feed formulation. Some insects play a vital role in bio-remediation of organic waste as they feed on waste breaking it down to frass that has the potential to be used as an organic fertilizer in food...

Author(s): Annrose Wanjugu, Peter Bulli and Darius Andika  

Yields and soil chemical property changes in an intensive vegetable cropping system in the Sahel

February 2023

Irrigated vegetable production is an important agricultural activity and a significant source of income for millions of smallholder farmers in the Sahel. There is little information on the potential effects of intensive vegetable production using African Market Garden (AMG) technology on vegetable yields and soil chemical properties. Three contiguous 500-m2 plots were established to evaluate three vegetable management...

Author(s): Ali Ibrahim, Dan Lamso Nomaou, Adamou Didier Tidjani, Yadji Guero and  Lennart Woltering

Effect of manure-based biochar amendment on soil chemical properties, total enzymic activities and tomato growth performance in acidic soil under controlled conditions

February 2023

The aim of this study is to evaluate the effect of biochar on tomato production under controlled conditions. Trials were installed using a complete randomized block design (CRD) with 5 replications of 4 treatments: T0 (0%); T1 (8%); T2 (12%) and T3 (16%). During plant growth, parameters including height, diameter, number of leaves, number of fruits and plant biomass were collected. Plants obtained from pot that received...

Author(s): Emile B. BOLOU-BI, Thierry Philippe GUETY, Adama TRAORE, and  Brahima KONE

Rice ratooning as a sustainable climate smart adaptation for agriculture in Liberia

January 2023

Rice (Oryza glaberrima) is a staple food for many people in Africa. In West Africa, especially Liberia, it is the main dish and plays a major role in the political stability of the country despite its insufficient production. The objective of the study was to evaluate how varied cutting heights affected rice yields. The experiment was set up in a Randomized Complete Block Design (RCBD) with three treatments and three...

Author(s): Zipporah Page, Inoussab Akintayo, Ahouansou Roger, Bolorunduro Paul and Robert Z. Ziama  

Emergency response to the Spodoptera frugiperda invasion in Africa: What do maize producers in Burkina Faso think and do?

January 2023

Spodoptera frugiperda, the fall armyworm (FAW), has become a major pest of maize since its appearance in Burkina Faso in 2017 requiring appropriate emergency response. A survey was conducted with 161 maize farmers from 9 regions and 48 villages in the Sudano-Sahelian and Sudanese agro-climatic zones, the main maize-growing areas in Burkina Faso to collect their perceptions. For this purpose, a questionnaire designed on...

Author(s): Manoé René Sanou, Idrissa Compaoré and Antoine Sanon  

Chemical and textural properties of floodplain forest soils in the Eastern Amazon, Brazil

January 2023

Soils in floodplain ecosystems are sedimentary and subject to removal, transport, and deposition processes caused mainly by the water cycle, contributing to frequent variations in landscape patterns and continuous transformation of the floodplain environment. Given the constant disturbance caused by flood pulse variability, it is difficult to assess soil properties in floodplain ecosystems. Soil samples were collected...

Author(s): Avner Brasileiro dos Santos Gaspar, Diego Pereira Bezerra, Iolanda Maria Soares Reis andRodrigo da Silva,

Influence of seed co-inoculation with Bradyrhizobium species and Azospirillum brasilense on soybean development in Southern and Southeastern Brazil

January 2023

Bioinoculants are widely used in Brazil, based on efficient and low-cost. This study aimed to evaluate the agronomic efficiency of co-inoculation with Bradyrhizobium species and Azospirillum brasilense in soybean seeds. Field trials were established in four regions of Brazil using a randomized block design  with 8 treatments and 4 replications as follows: T1 - Control, T2 - 200 kg ha-1 N, T3 - Bradyrhizobium spp....

Author(s): Alessandro Lucca Braccini, Marcos Vinícius Ribas Milléo, Bernardo Alleoni, Artur Berbel Lirio Rondina, Fabiane Paulitsch, Luciane Muller Martins, Fernanda Gravina, Tárik Hanai Yoshida, Fernanda Gravina, Vinícius Tavares Ávila, Fernanda M. Rampazzo Schena de Figueiredo and Raul Almeida  

Fertilization options for improved cassava productivity and economic profitability in the Pissa and Damara areas, Central African Republic: Comparative Approach

January 2023

This study aimed to identify fertilization options for improving cassava productivity and profitability in two contrasting regions of the Central African Republic. The Pissa (guinea forest) and Damara (savannah). The study adopted a randomized complete block design with four treatments replicated four times in a plot size of 7 m by 7 m. The treatments were; T1 (Control), T2 (Peasant practice), T3 (sole NPK), and T4 (Cow...

Author(s): Gougodo De Mon-Zoni L. J., Kosh-Komba E., , Omenda J. A., Zaman M., Mingabaye-Bendima B. , Batawila K. and Akpagana K.

Protective equipments use by veterinarians in Nigeria

January 2023

The transmissible nature of certain diseases makes anthropozoonosis an important hazard associated with veterinarians. For this reason, the attitude and compliance of veterinarians in Nigeria to personal protective equipment (PPE) use was studied using a structured interviewer-administered questionnaire. Questionnaires were administered at the 2017 Veterinary continuing education seminar held at Akure (Ondo state),...

Author(s): Jones S. Akinbobola, Jerome Nyhalah Dinga,, Jude N. Omeje, Ruth I. A. Akinbobola, Emmanuel E. Oguntade, James O. Babalola, Olabode R. Ifarajimi and Kazeem A. Tijani

Agricultural livelihood systems typology for coping with diversity in smallholder farming system research: A demonstrative case in South-western Burkina Faso

January 2023

Smallholder farms’ populations are characterized by their heterogeneity giving the diversity of farms’ livelihood settings. Integrated farming system modelling therefore requires a preliminary clear identification of the farm types in a location and for a given population. This study aims to formulate empirically agricultural livelihood system (ALS) typology for the purpose of integrated modeling of...

Author(s): Boundia Alexandre Thiombiano and Quang Bao Le  

Physico-chemical parameters, macronutrients and micronutrients evaluation in the soil of Trenabougou, rural commune of Siby, Mali

January 2023

The insufficiency of nutrients in the soils has been identified as one of the factors that have affected the productivity of crops. An investigation was carried out to assess the trophic level of soil in the region. Using a non-probability sampling technique, a total of 70 representative surface soil samples were collected between February and April, 2021. The sampling depth ranged from 0 to 30 cm, according to the root...

Author(s): Djibril Sekou Keita, Modibo Keita, Traore Moctar and Harshad Patel

Xanthomonas wilt of enset in Ethiopia: Geographical spread, impact on production systems and the effect of training on disease management practices

January 2023

Xanthomonas wilt of enset is a major bacterial disease affecting the entire enset-growing belt in the southern Ethiopian highlands, impacting food security and livelihoods of small-holder subsistence farmers. Through extensive interviews and field validation visits with 354 households covering 19 communities (kebeles), we show 70% of the farms to present current and past enset Xanthomonas wilt infections, with a median...

Author(s): Guy Blomme, Elizabeth Kearsley, Sisay Buta, Alemayehu Chala, Ruhama Kebede, Temesgen Addis and Zerihun Yemataw

Pasting properties of high-quality cassava flour of some selected improved cassava varieties in Tanzania for baking

January 2023

Partial substituting wheat with high-quality cassava flour (HQCF) in bread making would be economically beneficial in Tanzania. However, cassava varieties with the best pasting quality for this use are unknown. In addition, the appropriate time of harvesting the varieties to attain the best pasting quality is also unknown. This study, therefore, aimed at identifying the most appropriate cassava varieties and their...

Author(s): Mikidadi Abubakar, Peter Wasswa, Esther Masumba, Heneriko Kulembeka, Geoffrey Mkamilo, Edward Kanju, Emanuel Mrema, Wilfred Abincha Richard Edema, Phinehas Tulkamuhabwa, Siraj Kayondo and Patrick Ongom  

Farm diversification benefits and technology choice: A case of the coffee-banana farming system in Central Uganda

January 2023

Diversification has been argued to be the future of small farms and more so in developing countries given its benefits to mitigating against risk, increase economic and social benefits. This study was built on an earlier study by Mpiira et al. (2021). 247 respondents were interviewed using pre-tested and semi-structured questionnaires in three districts of Central Uganda: Kiboga, Nakaseke and Sembabule. Using a...

Author(s): Samuel Mpiira, Mary Kipsat, Phoebe Mose, Francis Kalyango, Wilberforce Tushemereirwe and Charles Staver  

Assessing the host status of banana and other plant species to the enset root mealybug Paraputo ensete (Williams & Matile-Ferrero) (Hem.: Pseudococcidae) in Ethiopia

December 2022

Ninety backyard gardens in the south-eastern Ethiopian highlands with enset (Ensete ventricosum (Welw.) Cheesman), banana and various annual crops were assessed for the presence of enset root mealybugs (Paraputo ensete (Williams & Matile-Ferrero)). This study presents the first observation of enset root mealybugs on banana. This pest has until now been exclusively recorded on enset in Ethiopia. In the Dilla Zuria...

Author(s): Fikadu Erenso, Guy Blomme, Mitiku Muanenda, Elizabeth Kearsley, Georg Goergen and Temesgen Addis

Development and testing of a vertical-spikes shelling machine for bambara groundnuts

December 2022

This paper aim to develop a low-cost Bambara groundnuts sheller that uses vertical spikes as the shelling mechanism. A vertical spike shelling machine was designed, constructed and evaluated. The Bambara groundnut shelling machine consisted of a hopper, shelling system, frame, motor and power transmission system. The Bambara groundnut sheller used a low-cost shelling mechanism of spikes and shaft system, as it has...

Author(s): Nkambule S., Workneh T., Kassim A., Sibanda S. and Lagerwall G.  

Growth performance and economic analysis of Nile tilapia (Oreochromis niloticus) fed on black soldier fly larvae (Hermetia illucens)

December 2022

The depletion of fish stocks in Lake Victoria is putting severe strain on fish supplies for human consumption and aquaculture feed formulation. Due to the fish stocks high demand and limited supply, fishmeal prices are rising, increasing the cost of feed for aquaculture. As a result, up to 70% of variable aquaculture expenditures are related to feed. Alternative feed sources, such as insect meals, have been heavily...

Author(s): Florien Amondi Odhiambo, Elijah Museve, Millicent Ndong’a and Julius Manyala  

Estimation of genetic variability, interrelationships and path analysis for yield and yield related traits in NERICAs upland rice (Oryza sativa L.) in White Nile State, Sudan

December 2022

The yield of rice landraces in the Sudan has been low due to genetic ceiling in the existing varieties. It is necessary to carry out breeding programs that deal with the production of high yielding, adaptable new varieties. Therefore, this study aimed to estimate genetic variability, heritability, genotypic performance and interrelationships among the traits. 18 upland rice genotypes and two checks evaluated at White...

Author(s): Sara M. Abdalla, Khalid A. Osman, Sarrah M. Hamid, Abu Elhassan S. Ibrahim and Abbas M. Suliman

Effects of sodium chloride on seed germination and seedling establishment of sorghum genotypes

December 2022

Salinity and climate change are major threats that affect crop productivity in arid and semi-arid fields globally. Sorghum is a climate smart crop but wide range of sorghum genotypes grown is sensitive to salt. Sorghum was screened for salt tolerance using sodium chloride (NaCl) at different concentrations. There were 250 evaluated sorghum genotypes using factorial arrangement in a Completely Randomized Design (CRD)...

Author(s): Nelly Chebet, Erick K. Cheruiyot and Samuel Mwonga  

Phenotypic expressions of diverse Sorghum bicolor [L.] Moench genotypes exposed to cold and warm temperatures

December 2022

Low temperatures at the reproductive stages of sorghum limit its performance and promotion in the dry highlands of Kenya. Two hundred and fifty sorghum genotypes were evaluated in 2020 and 2021 on a randomized complete block design (RCBD) with three replications in two sites. Egerton University a cool highland region and Marigat a warm lowland. The daily temperature range at Egerton was recorded as 20/9?C while that of...

Author(s): Rachael Muthoni Kamau, Erick K Cheruiyot and Stephen Mbuthia Karori

Effect of applying low rates of lime and manure on bean growth and yield on Ferralsols of Lake Victoria crescent agro-ecological Zone-Central Uganda

December 2022

An experiment was conducted to determine the effect of applying low rates of lime and chicken manure on bean (var. NABE 15) growth and yield on Ferralsols. Using split plot factorial randomized complete block design, lime (0.0, 0.5, 1.0, 1.5 and 2.0 t ha-1) as the main plot and chicken manure (0.0, 1.0, 2.0 and 3.0 t ha-1) as sub plot, were replicated three times. The experiment was conducted for three rainy seasons,...

Author(s): Freddie Kabango, Byalebeka John, Semalulu Onesimus, Andrew W. Lenssen, Majaliwa M. J. G and Kyebogola Stewart

Estimating crop water requirements for irrigation scheduling of tomato using Aquacrop 5.0 and Cropwat 8.0 models under scarcity and unreliability of rainfall in Harare

December 2022

In the face of increased competition for water resources, optimal irrigation scheduling is necessary for sustainable development of irrigated agriculture. However, the most favourable irrigation scheduling has many constraints and conflicting objectives and deals with an environment which has a lot of uncertainty. In this study, a comparative approach was undertaken for irrigation scheduling using Aquacrop 5.0 and the...

Author(s): Godfrey Singano Muroyiwa, Emmanuel Mashonjowa, Teddious Mhizha, Maud Muchuweti and Peter George Raeth  

Assessment of health hazards and risk perceptions of market garden producers towards the effects of pesticides in Western Region Cameroon

December 2022

The increased health effect of pesticides on the agrarian population in Africa, particularly in Cameroon is a challenging concern. Therefore, this study aims to assess the health risks and risk perceptions of market garden producers towards the effects of pesticides in Cameroon. Using a multi-stage sampling technique, a sample of 560 producers in the Noun Division, Western Region of Cameroon was obtained and an ordered...

Author(s): Kaldjob Mbeh Christian Bernard, Tata Ngome Ijang Precillia, Douya Emmanuel, Nso Ngang Andre, Bamou Tankoua Lydie and Simo Brice Herman

Heavy metals levels and adult health risk assessment in horticultural systems in Mbare Musika and Mutoko, Zimbabwe

December 2022

Levels of cadmium, chromium, cobalt, nickel and lead were determined in cabbages, tsunga (mustard), green beans and tomatoes from Mbare Musika vegetable market in Harare and one of its major supplier, Mutoko. Cabbages and tsunga exceeded the stipulated safe limit for lead levels whereas the tomatoes and sugar beans went above the 0.02 ppm threshold for cadmium. Hazard Quotients (HQ) of the vegetables showed adult health...

Author(s): Samuel Kodani, Elias Chipunza and Stanislaus Zvarimwa  

Influence of altitudes on the cultural and morphological variation of Colletotrichum kahawae isolates, the causal agent of coffee berry disease in the West Region of Cameroon

November 2022

Coffee berry disease (CBD) caused by Colletotrichum kahawae, is the main disease that affects arabica coffee production in Africa. Isolates of C. kahawae were collected from different altitude in the West Region of Cameroon and characterised for cultural and morphological variations. The results showed a significant variation among C. kahawae isolates related to their morpho-cultural features with respect to altitude....

Author(s): Yemo Ngouegni Yoganie, Tsopmbeng Noumbo Gaston, Keuete Kamdoum Elie, Billa Samuel Fru and Nguetsop Victor François  

Cassava use in southern Benin: Importance and perception of actors involved in the value chain

November 2022

In Benin, many families resort not only to consumption but also to the therapeutic use of cassava (Manihot esculenta). The study  assessed the impact of socio-economic factors on the use of cassava, and the perception of the actors involved in the value chain in Benin. Four areas of high production and processing, with 516 producers and processors  of cassava roots were surveyed. The results reveal that...

Author(s): Halfane Lehmane, Rafiatou Ba, Durand Dah-Nouvlessounon, Haziz Sina, Orou Daouda Bello, Horace Degnonvi, Farid T. Bade, Farid Baba-Moussa, Adolphe Adjanohoun and Lamine Baba-Moussa  

Variation of some growth, agronomical and biochemical parameters of Vigna unguiculata (L. Walp) under salinity stress

November 2022

The variation of some growth, agronomical and biochemical parameters of Vigna unguiculata (L. Walp) under salinity stress were investigated in the greenhouse and farm conditions. Plants were subjected to 0, 50, 100 and 200 mM NaCl. The increases of NaCl in the culture medium significantly (P< 0.001) decreased the growth parameters (number of leaves, noose diameter, leaf area and stem height), dry biomass (roots,...

Author(s): Nouck Alphonse Ervé, Mbouobda Hermann Desiré, Nzouakeu Mbuntcha Cynthia Linelle, Choula Fridolin, Ndouma Mbondjo Cécile, Erica Wiraghan Shang and Taffouo Victor Desiré

Farmers’ perceptions of fertilizer micro-dosing adoption and continued use in Burkina Faso

November 2022

This study analyzes fertilizer micro-dosing adoption and focuses on farmers' perceptions. Data used are from households selected based on agroecological characteristics. The bivariate probit model estimation results show that fertilizer microdosing adoption is a process. After the first adoption, 22.67% of farmers continued to apply fertilizer micro-dosing compared to 33.25% who discontinued. In addition, analysis...

Author(s): Mamadou Sanogo, Frédéric Gaspart, Daniel Kabore, Jean-Baptiste Taonda, Idriss Serme, Marie-Paule Kestemont and Charles Bielders  

Study of the combined effect of sowing date and sowing method on vegetative development of new rice paddy (Oryza sativa) varieties in Senegal River Valley under low temperatures

November 2022

Rice paddy cultivation in Senegal is subject to climatic fluctuations that affect its vegetative development. Although climatic conditions are a concern, we hypothesized that the new rice paddy ISRIZ would be better adapted to these fluctuations and would allow double cropping. We studied the vegetative behavior according to the date and mode sowing under low temperatures. An experiment was carried out in a split-split...

Author(s): Koffi Marchais KITTIKA, Omar Ndaw FAYE and Anicet Georges Bruno MANGA  

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