African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6559

Table of Content: 10 October 2013; 8(39)

October 2013

Effects of nitrogen (N) and sulphur (S) on canola (Brassica napus L.) vegetative and reproductive growth under controlled conditions

  Canola is becoming a major source of vegetable oil with increasing demand in South Africa, yet low yields are presently experienced in production areas of the Western Cape Province. Crop response to fertiliser applications in field trials under rainfed conditions are often poor, because of a large number of growth factors that may limit growth and yield. To determine how canola responds to nitrogen (N) with...

Author(s): Wonder Ngezimana and Gert Andries Agenbag

October 2013

Changes in soil physical properties under yam production on a degraded soil amended with organomineral fertilizers

  Low crop yield has been attributed to soil degradation. Degraded soils require amendments for optimum crop performance. Research has shown that organomineral fertilizer (OMF) has higher potential manorial value for soil amendment. Therefore, a field experiment was carried out between 2007 and 2008 using OMF to improve physically degraded soil and consequently increasing the yields of yam. Organomineral...

Author(s): Oshunsanya, S. O. and Akinrinola, T. B.

October 2013

Nitrogen rates descendant from slow release fertilizers in maize top-dressing fertilization

  Maize (Zea mays L.) is a very important cultivation for Brazilian agriculture and throughout the years it has been enlarged in the country. It is cultivated in two seasons, the summer plantation and the winter-maize which happens after the soy harvesting. Brazil is one of the biggest maize producers and in order to increase this production it is necessary to use certain practices such as nitrogen...

Author(s): Jaqueline Cazado Felix, Tiago Roque Benetoli da Silva, Rafaela Alenbranth Migliavacca, Flávia Rogério, Juciléia Irian dos Santos, Antonio Nolla and Deonir Secco

October 2013

Shear parameters associated with compaction states and degrees of water saturation in two Hapludox

  The aim of the study was to evaluate the impact of three states of compaction and two degrees of initial water saturation in direct shear parameters in two Hapludox. We studied a Hapludox-LVd (0.55 kg kg-1 clay) and a Hapludox-LVdf (0.62 kg kg-1 de argila), in Brazil. We made a map of isolines of soil resistance to of the 0.07-0.12 m layer, which had a higher compaction state and, along with the soil...

Author(s): Deonir Secco, Dalvan José Reinert, José Miguel Reichert, Fernando Perobelli Ferreira, Douglas Rodrigo Kaiser, Aracéli Ciotti de Marins and Vanderlei Rodrigues da Silva

October 2013

Energy savings, cogeneration of electricity and water use in rural areas: Case study of Algarrobo irrigation community

  This study analyzed the effects of irrigation modernization on energy savings, cogeneration of electricity and water conservation, using the Algarrobo irrigation community (Spain) as a case study. Traditional surface irrigation systems and modern sprinkler systems occupy 73 and 27% of the irrigated area, respectively. Virtually all the irrigated area is devoted to field crops. Nowadays, farmers are investing...

Author(s): Alberto Jesús Perea Moreno and Federico Manzano Agugliaro

October 2013

Application of ordinal logistic regression model for evaluation of skin quality grading data in Sheep

  This study was conducted to compare and evaluate skin quality grading of two indigenous (Blackhead Ogaden [B1] and Hararghe Highland [B2]) with two crossbreds (½Dorper½Blackhead Ogaden [B3] and ½Dorper½Haraghe Highland [B4] lambs. Following a 90 days feeding trial period, 6 lambs from each breed, a total of 24 lambs were randomly selected and...

Author(s): Tsegay Teklebrhan, Mengistu Urge and Yoseph Mekasa

October 2013

Study on abomasal nematodes of sheep and goats: Comparison and characterization of vulvar morphology of Haemonchus in Hawassa, Ethiopia

  The study was conducted from November, 2011 to April, 2012. Two hundred and twenty two sheep and 174 goats’ abomasum were examined according to the standard procedures. The overall prevalence of abomasal nematode was 82% for sheep and 76.4% for goats. The parasitic species specific prevalence was 80.6, 25.7 and 14.8% for Haemonchus species, Trichostrongylus axei and Teladorsagia...

Author(s): Tilaye Demissie, Dawit Tesfaye, Amene Fekadu and Isayas Asefa

October 2013

Economics analysis of minor millets in Bastar district of Chhattisgarh

  Paddy is main crop of Chhattisgarh, however, millets are important food for sustaining tribal population in Bastar region of Chhattisgarh, India. Keeping in view of livelihood importance of minor millets for Bastar tribes, the present enquiry related to its production, marketing and processing was proposed to undertaken in Bastar district of Chhattisgarh. Out of total millets grower farmers, 10% farmers were...

Author(s): Praveen Kumar Verma and K. N. S. Banafar

October 2013

Soil macro- and micro- nutrient status of Senapati district, Manipur (India)

  A study of the macro- and micro-nutrients of some soils of Senapati district, Manipur (India) was carried out to study the soil fertility and micro- nutrient status and their relationship with each other. Surface soil (0 to 30 cm) was investigated for diethylene-triaminepentaacetate (DTPA)- extractable Zn, Cu, Mn, Fe and hot water extractable B in relation to some chemical properties in 20...

Author(s): Haribhushan Athokpam, Shabir Hussain Wani, David Kamei, Herojit Singh Athokpam, Jyotsna Nongmaithem, Deepak Kumar, Yanglem Kenedy Singh, Brajendra Singh Naorem, Thokchom Renuka Devi and Lamalakshmi Devi

October 2013

Evaluation for allelopathic impact of Terminalia arjuna (Roxb.) wight and arn bark against Cassia sophera

  Allelopathic performance of the aqueous extract of bark of Terminalia arjuna on Cassia sophera was evaluated under laboratory conditions. Aqueous extract of bark were prepared at different concentrations of 2, 4, 6, 8 and 10%. Ten seeds of test plant were kept for germination in sterilized Petri dishes of 9 cm diameter lined double with double layer of blotting paper moistened with...

Author(s): Aasifa Gulzar and M. B. Siddiqui

October 2013

Chlorophyll a fluorescence in two varieties of sugar cane subjected to aluminum and water stress

  Soils of open pasture in the Cerrado (brazilian savanna) have farming limitations related to the high content of aluminum and water restrictions in the superficial horizons, due to easy drainage and large exposure to high levels of irradiance. Aiming to assess chlorophyll a fluorescence’s responses in two varieties of sugar cane in the State of Mato Grosso do Sul subjected to water...

Author(s): Martios Ecco, Etenaldo Felipe Santiago and Paulo Ricardo Lima

October 2013

Character association and path analysis in hip rose (Rosa sp.) genotypes collected from North Western Himalayan region of Kashmir

  Thirty six genotypes of hip rose (Rosa sp.) collected from different areas of Kashmir valley and studied for nine polygenic characters. These revealed higher PCV than corresponding genotypic coefficient of variation (GCV) for plant height, fruit yield, fruit weight, fruit diameter, fruit length, pulp content, pulp to seed ratio, TSS and number of seeds. High heritability accompanied by moderate to high...

Author(s): M. K. Verma, S. Lal, Nazeer Ahmed and P. A. Sagoo

October 2013

Genetic variability for quantitative and qualitative characters in Brinjal (Solanum melongena L.)

  In Brinjal significant variability is available in the land races and hybrids. They have several matchless characteristics of plant breeding significance with sufficient scope for added improvement to outfit the traditional growing conditions. Many land races also display heritable resistance and/or tolerance to some biotic stresses. The present study which consisted of 14 parents (10 land races, 4 commercial...

Author(s): S. Ramesh Kumar, T. Arumugam, C. R. Anandakumar and V. Premalakshmi

October 2013

Effect of fungicides, botanicals, bioagents and Indigenous Technology Knowledge (ITK’s) on germination of urediniospores of Puccinia sorghi in vitro

  Tebuconazole 250 EC (4.78% urediniospores germination) was found to be significantly superior among the eight systemic fungicides evaluated in vitro condition against Puccinia sorghi at different concentrations. Among the non-systemic fungicides Mancozeb + Phyton (7.24% urediniospores germination) was found to be significantly superior followed by Mancozeb (24.44% urediniospores...

Author(s): Utpal Dey, S. I. Harlapur, D. N. Dhutraj, A. P. Suryawanshi, G. P. Jagtap, K. T. Apet, S. L. Badgujar, V. M. Gholve , H. N. Kamble, D. P. Kuldhar and S.S. Wagh

October 2013

Effects of different light-emitting diode (LEDs) on fruit yield of greenhouse cucumber

  Cucumber (Cucumis sativus cv Delstar) was grown in greenhouse under different light-emitting diode (LEDs) to investigate the effects of different light waves on yield forms. Three treatments (red, Blue, and White) were conduct from 4 March 2008 to 24 June 2008. Results showed that, Blue light treatment got highest marketable production and marketable fruit ratio per plant, the value was 2309 g and 0.81...

Author(s): NI Jiheng, Mao Hanping, Chen Chunhong, Zuo Zhiyu and Kumi Francis