Crop residues are overlooked when making fertilizer recommendations, yet have potential to contribute to soil nitrogen in addition to mineral fertilizer use. A study was carried out in western Kenya to establish the contribution of soybean residues under varied management options...
Open access
Research Article10.9734/JAERI/2017/36777
Two on-farm experiments were carried out from January to May of 2014 and 2015 at Mkula, Mbasa and Kisawasawa sites to establish optimum rates of sulphur (S) and zinc (Zn) for rice production in Kilombero district, Tanzania. The treatments tested were: an absolute control and a co...
Open access
Research Article10.9734/JEAI/2017/29773
Phosphorus (P) and potassium (K) optimization is crucial for achieving high yields of rice. This study objective was to establish optimum rates and critical concentrations of P and K in soil and rice shoots using soils from Kilombero district, Tanzania. Two-screen house experimen...
Open access
Research Article10.9734/AIR/2016/26368
Information on critical concentration and optimum rates of fertilizers is very important in the correction of sulphur (S) and zinc (Zn) deficiencies. A study was carried in the screen house experiments to establish optimum rates and critical concentrations of sulphur and zinc in...
Open access
Research Article10.9734/IJPSS/2016/25567
Despite a high productive potential for many best bet agricultural technologies, there is a low rate of adoption from farmers. Recommendations of improved technologies such as fertilizer use based on agronomic data without economic analysis contributes to this low adoption rate....
Open access
Research Article10.9734/JEMT/2018/44157