Field trials were conducted during 2017 and 2018 rainy season, to investigate the effect of nitrogen fertilizer rates and time of application on the growth and yield of cowpea. The treatment consisted of three levels of urea: 0, 40, 80 kg N ha-1 and the times of fertilizer applic...
Open access
Research Article10.9734/asrj/2020/v3i130066
In Nigeria, rivers and streams are natural water bodies that flow through cities and town. These rivers and streams are badly kept with their banks serving as disposal site. A study was conducted in 2015 in river Arumangye, with the aim of evaluating the effect of waste dump on h...
Open access
Research Article10.9734/ARJA/2017/34486
This study consisted of laboratory incubation and pot experimentation. Laboratory incubation was conducted at the Chemistry Laboratory, College of Agriculture, Lafia. The pot experimentation was done in the screen house of faculty of Agriculture, Nasarawa State University Lafia c...
Open access
Research Article10.9734/ARJA/2016/30926
A pot experiment was conducted in screen house of Faculty of Agriculture, Nasarawa State University Lafia, Nigeria during the dry season of 2014 to assess the presence of heavy metals and the effect of biochar on the concentration of these heavy metals in dumpsite soil and their...
Open access
Research Article10.9734/JALSI/2016/29948
The experiments were conducted during 2011 and 2012 rainy season at the research and teaching farm of the college of agriculture, Lafia, Nasarawa state, Nigeria; to evaluate the effect of biochar amended soil on soil properties and yield of sesame varieties. The treatments consis...
Open access
Research Article10.9734/AJEA/2015/19637
The experiments were conducted during 2010 and 2011 at the research and teaching farm of the college of agriculture, Lafia, Nasarawa state, Nigeria. To determine the effect of biochar-amended soil on the performance of maize varieties (Zea mays). The study was carried out in scre...
Open access
Research Article10.9734/AJEA/2015/12375
Biochar incorporation into soil has been shown to improve the soil quality for crop production and sequestered organic carbon into the soil thereby mitigating climate change. The experiment was conducted during 2010 rainy season at the research and teaching farm of the college of...
Open access
Research Article10.9734/IJPSS/2015/12376
The experiments were conducted during 2010 and 2011 rainy seasons at the research and teaching farm of the college of agriculture, Lafia, Nasarawa state, Nigeria. To determine the effect of urea fertilizer and poultry manure on the performances of fluted pumpkin (Telfairia occide...
Open access
Research Article10.9734/IJPSS/2013/3863