Aim: Most of the land in oil producing area in the Niger delta region of Nigeria is under constant petroleum pollution exposing the soil to the deleterious effect of petroleum hydrocarbons. The effects of petroleum products (kerosene, diesel, engine oil and petrol) treatment of s...
Open access
Research Article10.9734/AJEA/2015/9989
This study was conducted between November, 2013 and April, 2014 in Uyo, the capital of Akwa Ibom State, Nigeria to empirically identify factors affecting the rate of adoption of chemical fertilizer by urban crop farmers. Through the multistage sampling procedure, 60 urban crop fa...
Open access
Research Article10.9734/AJEA/2015/11553
Aims: To reduce the inorganic fertilizers used to grow Asian vegetables (Luffa and Bitter gourds) by incorporating cover crops without compromising yield in piedmont soils of North Carolina Study Design: A split-split plot design was used in this study with two main plot treatmen...
Open access
Research Article10.9734/AJEA/2015/11720
Drought is the most important factor limiting rice productivity under rainfed system of the humid tropics. Field experiments were conducted to determine the effects of soil water management strategies (growth on residual soil moisture at the vegetative stage supplemented with irr...
Open access
Research Article10.9734/AJEA/2015/6197
The aim of the study was to determine the effects of mulching, plant spacing and other control measures on effectiveness of weed control, canopy cover and sweet potato yield. The cultivar Blesbok was planted in a randomized complete block design where seven treatments were replic...
Open access
Research Article10.9734/AJEA/2015/12404
Aim: To evaluate intercropping efficiency using percentage yield difference (PYD) and to compare the index with other indices. Study Design: The design was a 2 X 5 factorial in a randomized complete block design, and replicated three times. Location: The study was carried out...
Open access
Research Article10.9734/AJEA/2015/12405
Aim: To assess the comparative susceptibility of five cowpea varieties to field insect pest infestation. Study Design: The design used for this study is the Randomized Complete Block Design (RCBD) in which the varieties are the treatments and were replicated four times (4x). Plac...
Open access
Research Article10.9734/AJEA/2015/5780
Aims: To investigate AFLPs for suitability as potential markers for identification of sources of Pythium resistance in bean genotypes preferred by poor small holder farmers. Place and Duration of Study: Department of biological sciences Masinde Muliro University of Science and Te...
Open access
Research Article10.9734/AJEA/2015/9843
Leaf epidermal micro morphological features were studied in five verities of Capsicum annum L. both quantitatively and qualitatively to evaluate the reliability of these characters for taxonomic consideration. These varieties are difficult to be recognized by using their dry samp...
Open access
Research Article10.9734/AJEA/2015/12825
The bulk of coffee soils in southwestern and southern regions of Ethiopia are classified as Nitto sols, which are highly weathered and originate from volcanic rock. These soils are deep and well drained having a pH of 5-6, and have medium to high contents of most of the essential...
Open access
Research Article10.9734/AJEA/2015/12510