African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6863

Table of Content: 7 January 2016; 11(1)

January 2016

Alternative products for overcoming dormancy in grapevines 'Isabel Precoce'

The stage of dormancy is an important physiological condition in the behavior of temperate climate fruit trees, and it is reached at the end of the vegetative cycle, when the leaves are fallen. In general, a cold period is needed to overcome the state of dormancy and promote uniform buds sprouting, being therefore a limiting factor for grape production in Brazil. There are chemicals used in breaking dormancy of the...

Author(s): Jullyanna Nair De Carvalho, Letícia Silva Pereira, Pollyanna Aparecida De Carvalho and Antônio Decarlos Neto

January 2016

Symbiotic nitrogen fixation and nitrogen budget of Brazilian soybean [Glycine max (L.) Merril] varieties introduced in Benin using 15N isotopic dilution method

Nitrogen-15 isotopic dilution method was used to estimate biological nitrogen fixation (BNF) and nitrogen (N) budget of fourteen (14) soybean varieties using maize as reference crop. The experiment was carried out at Sekou in Southern Benin. The amount of N derived from air (Ndfa kg N ha-1) ranged from 51 for variety BRS 261 to 148 for variety Canarana. In a scenario where the soybean shoot dry matter and grains were...

Author(s): Charlotte C. ZOUNDJI , Pascal HOUNGNANDAN , Félix A. KOUELO Frechno E. BOKO and Joseph J.  ADU-GYAMFI

January 2016

Variation of static pressure in a crambe (Crambe abyssinica Hochst) grains column

The crambe has emerged as an option for the production of biodiesel, constituting itself as an alternative for off-season grain in Brazil. To obtain the best performance in the post-harvest product processing, knowledge of physical characteristics of the grains to as well as of the design of machines and structure storage is necessary. After pre-cleaning, the crambe (Crambe abyssinica Hochst) with a water content of 8%...

Author(s): Fernando João Bispo Brandão, Magnun Antonio Penariol da Silva, Felipe Carlos Speneski Sperotto, Samir Paulo Jasper, Pedro Henrique Silva Bezerra and Marco Antonio Martin Biaggioni

January 2016

Strategies for selecting soybean genotypes using mixed models and multivariate approach

The objective of this study was to select soybean genotypes derived from crosses between conventional and transgenic lines Roundup Ready (RR), using jointly Restricted Maximum Likelihood/Best Linear Unbiased Prediction (REML/BLUP) approaches, factors analysis and principal components analysis, processed with favorable agronomic traits, during the 2013/2014 growing season. Three agronomic selection processes were...

Author(s): Andréa Carla Bastos Andrade, Alysson Jalles da Silva, Antônio Sérgio Ferraudo, Sandra Helena Unêda-Trevisoli and Antônio Orlando Di Mauro

January 2016

Cultivation of colored cotton irrigated with saline water under potassium and nitrate/ammonium fertilization

This study aimed to evaluate growth and production components of the colored cotton cultivar ‘BRS Topázio’ irrigated with saline water as a function of dose of potassium and proportions of nitrate and ammonium. The study was conducted in drainage lysimeters under greenhouse conditions, in a eutrophic Gray Argisol of sandy clay loam texture, in the municipality of Campina Grande, Brazil, from November...

Author(s): Geovani Soares de Lima, Luan Dantas de Oliveira, Hans Raj Gheyi, Lauriane Almeida dos Anjos Soares, Claudivan Feitosa de Lacerda, João Batista dos Santos and Benício Medeiros de Araújo

January 2016

Effect of two dipping pretreatment on drying kinetics of golden berry (Physalis peruviana L.)

Golden berry (Physalis peruviana L.) has scientifically proven medicinal properties. This research was aimed to investigate the effect of alkaline ethyl oleate and sucrose solution pretreatments as well as drying temperature on the drying kinetics of golden berry. Based on this, golden berries were dipped in alkaline ethyl oleate solution (2% ethyl oleate + 4% potassium carbonate) at 25°C or in osmotic solution (40%...

Author(s): Yasin Ozdemir, Aysun Ozturk and Senem Tüfekçi

January 2016

Influence of the land use on the water quality in the São João and Iguaçu Rivers, state of Paraná, Brazil: assessment of the importance of the riparian zone

Further objectives were to determine the different patterns of land use and occupation within the microbasin formed by these rivers, and to assess the influence of the quantity of riparian vegetation on the presser/vation of the aquatic ecosystems. The studied basin extends over a total area of 77.75 km2, of which 92.98% comprised agriculture (44.11%) and native forest (48.87%). The drainage area of the sampling site P1...

Author(s): Thomas Kehrwald Fruet, Fabiana Gisele da Silva Pinto, Yara Moretto, Laís Dayane Weber, Mayara Camila Scur and Alexandre Carvalho de Moura