Field experiment was conducted during the 2016 and 2017 raining season in the Teaching and Research Farm of the Department of Crop Production, Modibbo Adama University of Technology Yola, Adamawa State. The experiment was designed to study the effect of compost and farmyard manure on growth yield and yield parameters of sweet pepper (capsicum annum L.) in Yola, Adamawa state. Eight purposes of study, eight research questions and two hypotheses were formulated for the study. The research was an experimental design with three treatments and three replicate. Factorial application of 6 kg of each manure was used for 2500 m2 (0.25 ha) after two weeks of transplanting except in the case of control group which is 0 kg application. All data collected were measured and subjected to analysis of variance (ANOVA) appropriate to complete randomized block design (RCBD). The result shows that there was significant effect of farmyard manure in the growth and yield parameters of sweet pepper such as plant height, number of leaves, number of branches and stem girth at two, four and six weeks after transplanting (WAT) and number of fruits, length of fruits, diameter of fruits and fruits weight at one, two, and three weeks of harvest with regard to the effect of compost manure, which shows least significant different in the growth and yield of sweet pepper (Capsicum annum L.) in Adamawa state.
The experiments were carried out to determine the influence of rates of nitrogen fertilizer application on different soil types that will ensure highest nitrogen use efficiency in the maize plant in Yola. Field experiments were conducted during the 2010, 2011 and 2012 cropping seasons at the Teaching and Research Farm, Modibbo Adama University of Technology Yola (Sandy-loam soil) and a private farm in Karewa area of Yola (Clay-loam soil). Treatments consists of five levels of nitrogen fertilizer (0, 40, 80,120 and 160 kg N/ha) applied as urea while phosphorus and potassium were maintained at 60 kg/ha each applied as Single superphosphate and Muriate of
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