African Journal of
Agricultural Research

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

AJAR Articles in press

A CONSOLIDATED CHECKLIST OF LOCALITY NAMES OF FISHING GEARS IN THE LAKE VICTORIA BASIN DRAINAGE SYSTEMS OF KENYA

Article in Press

This study archives locality names of artisanal and commercial fishing gears, fishing gears comments, and fishing vessels currently used at shoreline, inshoreline and off-shore areas in the Lake Victoria basin drainage systems of Kenya. The paper also achieves names of fish species representatives harvested from the lake using the gears. Fifty-three (28 artisanal, 14 commercial) types of fishing gears are recorded to have...

Author(s):DANIEL OKOTH OKEYO

Agricultural Project Evaluation: Impact of Green River Project’s trainings and input supplies on Fish Production in Benefitting States of Nigeria

Article in Press

Fish production helps to alleviate the problem of protein deficiency as well as cost of fish and other animal protein. The Green River project (GRP) of Nigeria Agip Oil Company (NAOC) operates in Niger Delta regions of Nigeria to boost fish production in the area. The study aimed at assessing the impact of GRP on fish production in Niger Delta region of Nigeria. Multistage sampling technique was used to select 120 GRP fish...

Author(s):ONYINYECHI IFEANYI NNADI, MABEL UKAMAKA DIMELU, INNOCENT ANACHONAM ENWELU, Uchenna, V Nnadi, Elizabeth Amaechi Onwubuya

PHYTOCHEMICAL EVALUATION OF FOUR ACCESSIONS OF TOMATO (SOLANUM LYCOPERSICUM [LIN.] CON., SOLANACEAE)

Article in Press

Tomato (Solanum lycopersicum [Lin.] Con., Solanaceae) is important for global food security. Although leaves, ripe and unripe fruits are consumed, the ripe fruits are most preferred. Four Tomato accessions were collected from traditional agriculture system in Edo State, Southern Nigeria and cultivated. Standard methods were employed to analyze the leaves, ripe and unripe fruits of the Tomato accessions for phytochemical...

Author(s):Ogwu, M. C., Chime, A. O., Ogunoye, A. O. and Osawaru, M. E.

THE EFFECTS OF RELAY CROPPING SWEET POTATO (Ipomoea batatas) AND COWPEA (Vigna unguiculata) ON THE PRODUCTIVITY OF THE COMPONENT CROPS

Article in Press

A relay cropping system of cowpea and sweet potato has the potential to improve nutrient availability to sweet potato through biological fixation. A field study was conducted at Gokwe South communal area of Midlands Province in Zimbabwe, during 2015-2016 season under rain fed condition to compare the effects of relay cropping sweet potato (Ipomoea batatas) and cow peas (Vigna unguiculata) on the productivity of both crops....

Author(s):Mabheka S., Svotwa E. and Katsaruware R. D.

Selection indices for Grain-Yield and Yield-Related Traits in Open-pollinated Maize.

Article in Press

Predictability of maize grain yield using various biometrical methods helps in formulating a breeding program for its improvement, due to its potentials in solving the food security challenges across the globe. Twenty-one genotypes of maize were evaluated at the experimental field of Federal University of Agriculture, Abeokuta, Nigeria, in 2013 and 2014, with the aims of examine the employability of discriminant analysis...

Author(s):OLUWASEUN AYOOLA OMIKUNLE

Adaptability evaluation and selection of some improved Haricot bean (phaseolus vulgaris L.) varieties in Abergelle District, Northern Ethiopia

Article in Press

Haricot bean (Phaseolus vulagris L.), locally known as ‘Boleqe’ also known as dry bean, common bean and kidney bean is an important source of protein, calories and cash for small holder farmers of Ethiopia. The national and regional research institutions in the country have released many varieties for commercial production. However, these improved varieties did not tested for their adaptability potential under Abergele...

Author(s):FBM FANTAYE BELAY MARIE

Conservation tillage plus wheat straw management and nitrogen effects on Bt. cotton (Gossypium hirsutum L.) grown under rainfed conditions of Pakistan

Article in Press

Zero tillage with wheat straw on the soil surface as such (ZTsas) improved soil fertility and cotton yield. Field experiment was carried out to study the impact of conservation tillage practices and N management on Bt. cotton for five years (2011–2012 to 2015–2016). Tillage methods kept as main treatments (zero tillage plus wheat straw as such on the soil surface {ZTsas} and minimum tillage plus wheat straw...

Author(s):Niamat Khan, Abdul Aziz Khakwani, Sami Ullah,Najeeb Ullah

Participatory Demonstration and Evaluation of Improved Bread Wheat Technologies in Dawro Zone and Konta Special Woreda of Southern Nation Nationalities and Peoples Regional State, Ethiopia.

Article in Press

The study was conducted in Dawro Zone of Tocha (Edget and Medianalem kebele) and Essera Woreda (Arsi-bale Kebele) and Konta Special Woreda (Buba-damota and Chaka-bocha kebele). The objective of the study is to demonstrate, recommend and transfer the best performing bread wheat varieties in terms of grain yield performance and farmers’ preference. In each kebele, one FTC and twelve farmers (8 male and four femalefarmers...

Author(s):BEKA BEREKET

EVALUATION OF MAIZE (ZEA MAYS L.) VARIETIES AND ACCESSIONS FOR RESISTANCE TO NORTHERN LEAF BLIGHT (EXSEROHILUM TURCICUM Pass.) IN MOROGORO, TANZANIA

Article in Press

Northern leaf blight is an important and widely distributed foliar disease of maize in Tanzania. To identify new sources of resistance, 20 maize cultivars comprising of varieties, inbred lines and accessions were evaluated under artificial inoculation in the screen house and under field conditions in 2013 and 2014. Screen house and field experiments were laid out in completely randomized design (CRB) and randomized...

Author(s):Onwunali M. R. O. and Mabagala R. B.

Efficacy of solvent extracts of Calpurnia aurea (Ait.) Benth and Milletia ferruginea (Hochest) Baker leaves against maize weevils, Sitophilus zeamais (Motsch.) of stored maize in Ethiopia

Article in Press

Distilled water, acetone and ethanol (polar solvent) extracts from 20 g / 100 ml and 30 g /100 ml levels of extraction of C. aurea and M. ferruginea were tested as protectant against maize weevils in maize grains under laboratory condition. They were applied at a rate of 10 and 15 % (w/v) in admixture bioassays from both of the aforementioned extraction levels. Parental weevil’s mortality, F1 progeny emergence, percent...

Author(s):BERHANU HIRUY YESHITILA

ECONOMIC ANALYSIS OF LAYERS PRODUCTION AMONG MEDIUM SCALE POULTRY FARMERS IN KUMBOTSO AND NASSARAWA LOCAL GOVERNMENT AREAS IN KANO STATE, NIGERIA.

Article in Press

ABSTRACT The study was conducted to analyse the economic values of layer production among medium scale poultry farmers in Kumbotso and Nassarawa Local Government areas in Kano State. Socio-economic characteristics, costs and returns as well as constraints associated with layer production among medium scale poultry farmers were examined. Primary data was obtained from 98 farmers drawn from the study area using multi-staged...

Author(s):Yusuf Maryam

Accumulation of Bindweed Root Exudates Allelopathic Constituents in soil

Article in Press

One of the main weed ways to release allelochemicals is root exudation which is important regulating agent in neighbor microbes and plants. The rhizosphere microbial communities were clearly richness than in non rhizosphere soil at both high and low density areas of filed bindweeds (Convolvulus arvensis L.). Their roots exudates inhibited rhizosphere soil bacteria and fungi in high densities than the low one densities. The...

Author(s):Balah

Challenges and opportunities of Dairy Production in Ethiopia

Article in Press

The objective of this paper is to review the major challenges and opportunities dairy production in Ethiopia. The dairy sector in Ethiopia can also be categorized based on land holding size, market orientation, scale, and farming system four major production systems namely: pastoral dairy production, small holder highland mixed dairy production system, urban and peri urban dairy production systems. The pastoral and small...

Author(s):ABEBE BEREDA

Bio-priming: A novel tools for management of seed borne fungi of groundnut

Article in Press

Seed infecting fungi are important constraints for the groundnut crop prior harvesting to storage. Many fungal pathogens attack on the seeds and hamper seed health. Infected seed samples of groundnut collected from field grown groundnut crop of farmers’ fields of Dangs district. Isolation by both the methods revealed the predominantly association of Sclerotium rolfsii, Fusarium moniliforme, Fusarium equiseti,...

Author(s):Kotgire G. and Mehta B. P.

Characterization of newly evolved hybrids of Gerbera (Gerbera jamesonii Bolus) under different growing conditions

Article in Press

The study was carried out to characterize the newly evolved hybrids of gerbera under AICRP floriculture at ICAR Research Complex for NEH Region, Umiam during 2012-14. It was observed that fan and pad polyhouse recorded higher performance for vegetative and floral characters of gerbera hybrids over open field conditions. Hybrids RCGH-22 and RCGH-113 had maximum vegetative characters. However, maximum number of suckers was...

Author(s):H RYMBAI

Farmer practices and indigenous technical knowledge in vegetable seed production – a participatory evaluation in Kollam district, Kerala

Article in Press

The investigation on documentation of the indigenous knowledge and farmers’ practices in vegetable seed production and storage has brought to light the local technologies known and adopted by the vegetable growers in Kollam district, South Kerala. It was revealed that commercial seed production was not common in the district and they relied on external agencies for seeds in crop production. The ITK in seed storage varied...

Author(s):Sheeba Rebecca Isaac and Bindu Podikunju

DEVELOPMENT OF SOIL RESOURCE DATABASE FOR FARM PLANNING USING HIGH RESOLUTION SATELLITE DATA

Article in Press

The objective of the present study was to develop a detailed soil resource database for farm level planning using high resolution satellite data and digital elevation model. The study was carried out in Puinan village clusters of Polba-Dadpur block, Hugli district of West Bengal. The results revealed that the IRS LISS-IV satellite data and DEM integrated with cadastral map helps in delineation of physiographic cum...

Author(s):S DHARUMARAJAN

Growth and instability in area, production and productivity of spices in India

Article in Press

The study was carried out with a view to analyze the compound growth rate and instability index in area, production and productivity over last ten years. It based on secondary data collected from National Horticulture Board Database-2011 on area, production and productivity of spices in India. India has achieved positive and significant growth rate in production (4.36 %) and productivity (6.26 %) over the years. It also...

Author(s):GANGA DEVI and Y. C. Zala

Tillage and Poultry Manure Effects on Soil Properties and Cocoyam Growth and Yield in a Tropical Alfisol

Article in Press

In order to develop a suitable soil management adapted to the low activity fragile dominant Alfisol in southwest Nigeria, two field experiments were carried out at two sites in 2007 and 2008 on Alfisols at Owo, southwest Nigeria to evaluate the effect of years, tillage and poultry manure on soil properties, plant height, cormel and corm yields of cocoyam. The treatments were five tillage methods: manual clearing (MC),...

Author(s):ARUNA OLASEKAN ADEKIYA

PERFORMANCE MODELING OF A MECHANIZED HARVESTING SYSTEM OF CUT-TO-LENGTH

Article in Press

To increase biomass volume production harvesting should enable the mechanization in hilly areas, but lacks scientific studies to assess the operation. The harvesting in areas inclined are adopted chainsaw and aerial cables which require high production costs and offer high physical exertion and danger. The harvester and forwarder introduction on the exploitation of biomass in these areas aim to reduce costs, regulate...

Author(s):Elton da Silva Leite, Haroldo Carlos Fernandes, José Mauro de Almeida, Deoclides Ricardo de Souza and Gustavo Eduardo Marcatti

Agricultural Commodity Mapping of Oyo State, Nigeria.

Article in Press

Agricultural commodities of Oyo state were evaluated and statistically mapped using data obtained via a well structured questionnaire which were administered to respondents in six randomly selected local Government area(sampling frame = 0.182) using multistage sampling technique. The socio – economic analysis results showed that majority of the respondents (78%) have basic primary education and were mainly farmers. The...

Author(s):TAOFIK DAUDA and Taiwo Omodele

Analysis of demand and supply of Hevea planting materials at the Rubber Research Institute of Nigeria, Edo State, Nigeria.

Article in Press

The study evaluated the demand and supply of Hevea planting materials at the main station of the Rubber Research Institute of Nigeria from 1999 to 2008 production periods. Data collected on demand and supply of Hevea planting materials during the period under review were analyzed using descriptive and inferential statistics. Empirical results of the analysis revealed a highest demand and supply in 2008 while the least...

Author(s):Samuel Mesike, OTANIYONWA ENAGBAGHAMA AGBONAYE, Godwin Eboigbe and Desmond Uwumarongie

THE RELATIONSHIP BETWEEN SELLING PRICE AND MERIT OF BOER GOAT RAMS IN THE NORTHERN CAPE VELD-RAM CLUB

Article in Press

Performance data from 465 Boer goat rams tested in a central performance test in the Northern Cape Veld-Ram Club from 1989 to 2007 were analysed to determine the relationship between performance and sale price. Rams were subjected to extensive management conditions on natural pastures for 160 days and finished-off in a feedlot for 50 days. Upon the conclusion of the entire test period, the rams were auctioned. Performance...

Author(s):FELIX JOAO MANUEL KING

Impact of cold stress on grain yield and its components of chickpea (Cicer arietinum L.) genotypes

Article in Press

Cold stress (

Author(s):Siamak Saghfi, Ali Reza Eivazi, Nemat Gasimov

Influence of Silicon and Phosphorus on Growth, Yield and Nutrient Uptake by Maize (Zea Mays L.) in Typic Ustochrepts Soils

Article in Press

Influence of silicon and phosphorus on growth, yield and nutrient uptake by maize in Typic Ustochrepts was studied in a pot experiment at the Aanad Agricultural University, Anand, Gujarat, India during summer 2012. Treatments were arranged in a factorial completely randomized design with silicon factor at five levels (0, 100, 200, 300 and 400 mg kg-1) and two levels of P (0 and 40 mg P kg soil-1) and maize (CV. Gujarat...

Author(s):JKM MALAV J K

Prospects of Aspartate Aminotransferase and Succinate Dehydrogenase as a Marker in Silkworm Characterization

Article in Press

The biochemical analysis of Aspartate aminotransferase and Succinate dehydrogenase in twelve bivoltine silkworm (Bombyx mori L.) genotypes viz. NB4D2, SH6, Meigitsu, CSR4, Sheiki II, Pampore-5, J122, J2M, 14M, JBEL, NJ3 and B38 was done using native-polyacrylamide gel electrophoresis. Considerable amount of polymorphism was shown by both aspartate aminotransferase and succinate dehydrogenase. In all five bands and six...

Author(s):ASMA MAQBOOL, H. U. DAR, G. N. MALIK, GUL ZAFFAR, MUSHTAQ AHMAD AND S. A. WANI DAR

COOPERATIVE PARTICIPATION AS A LIVELIHOOD STRATEGY AMONG FISH PROCESSORS IN IJEBU-ODE AGRICULTURAL EXTENSION ZONE OF OGUN STATE, NIGERIA

Article in Press

The research was carried out to examine the cooperative participation among fish processors in Ijebu-ode Agricultural Extension Zone of Ogun State. Seventy five fish processors were selected using simple random sampling technique for both the beneficiaries (47) and non-beneficiaries (28) of cooperative societies. The gender result shows that 95.7% and 92.9% were female and married at the time of the survey. Based on their...

Author(s):ABDULFATAI OLUBUKOLA OKE and OLALEKAN JACOBS OLAOYE

Effects of tillage and residue management on soil aggregation, soil carbon sequestration and yield in rice–wheat cropping system

Article in Press

The present study investigated the effect of different combinations of tillage and residue management on carbon sequestration in different sized soil aggregates and also on crop yield after 4 years of continuous rice–wheat cropping system (RWCS) on a sandy loam soil of north India. Compared to conservation tillage (CT), combined with RWCS and residues retention resulted in a higher proportion of macro-aggregates. In the...

Author(s):R. K. NARESH and Adil Nawaz

Impact of intercropping on Armillaria root-rot infection of teak (Tectona grandis Linn. F.) in taungya plantation of the Opro forest reserve in Ghana

Article in Press

Teak (Tectona grandis Linn. F.) is currently the most planted tree species in forest plantations in Ghana, with over 73,916 hectares of plantation established at the end of year 2008. Majority of the plantations are established, using the taungya system with various intercrops. However, Armillaria (Fr.: Fr.) Staude root-rot symptoms have been observed on teak in teak taungya plantations especially in the dry semi-deciduous...

Author(s):EDMUND OSEI OWUSU and CHARLES KODIA KWOSEH

Analysis of institutionalization process of the national production and use of biodiesel in Brazil

Article in Press

This study aims to analyze based institutional theory as the environmental conditions of oil seed production in Brazil influenced in changing the rules of production and use of biodiesel for its national institutionalization. Methodologically, the discussion was based on the assumptions of institutional theory, and the relationship of changes in the legislation of biodiesel based on secondary production of biodiesel in...

Author(s):Vitor Hugo da Silva Vaz and Osiris Ashton Vital Brazil

Predicting water absorption pattern of soaked fresh coffee cherry

Article in Press

Water absorption pattern of soaked freshly harvested coffee cherry was studied. The fresh coffee cherry under study was harvested for 24 h and soaked in water for 1, 2, 3, 4 and 5 h, respectively. The moisture content and weight gained was determined and was found to increase with longer soaking time until 4 h of soaking when it attained its moisture saturation point, hence could no longer absorb moisture. Statistical...

Author(s):Nwosu Caesar, Jackson, B. A., Ozumba, I. C., Aduba Joseph J. and Ayuba L. O.

Prevention of septoria leaf blotch of wheat and improving soil fertility by crop rotation

Article in Press

Abstract In the experiment, Septoria leaf blotch of wheat causal agent Septoria tritic was prevalent wheat leaf diseases and improving soil fertility during annual wheat year Nov to April, 2012-2013, 2013-2014 and 2014-2015. The result were obtained from these experiment prevent of Septoria leaf blotch of wheat disease from scale ratings of crop rotation (Paddy-Wheat-Jowar). In the No.3 scale rating 10-50% of the leaf area...

Author(s):Rajendra Kumar Seth and Shah Alam

Genetic analysis for grain yield and yield related traits in maize (Zea mays L.) inbred lines in line × tester mating design

Article in Press

Maize is one of the most important cereal crop widely grown in the world. Maize crosses along with similar maturing checks were evaluated at Hawassa in 2015-2016 cropping season to understand the nature of gene action governing yield and its attributes through line × tester analysis and to study genetic contribution of line, tester and the interaction of line × tester to total variation. The experiment was done by using...

Author(s):Natol Bakala

Analysis of the efficacy of the decoction of the sheet of cajá (hog plum) (Spondias mombin l) as a natural antiseptic

Article in Press

It is conspicuous that microorganisms resistant to conventional antimicrobial substances are increasing. With this, natural alternatives have been sought with the use of extracts of medicinal plants, whose purpose is to find new compounds with recognized antimicrobial activity. This work aims to show the efficacy of the cajá leaf (Spondias mombin L.) using the microplate dilution technique, against Staphylococcus sp...

Author(s):Camila Fernandes Leonêz, Francisco Marlon Carneiro Feijó

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