Working Document Series Open Access Effect of controlled release urea on soil nitrogen mineralization and maize yield in Siaya County, Kenya A. N. Karanja · B. Mochoge · R.N. Onwonga · C. Shisanya +1 more Although nitrogen (N) is a major limiting nutrient in most soils in Kenya, it is often lost before it is used up by crops. This is due to the high dynamics of its transformations in the soil, making it easily lost from the soil. This usual… RUF-38651 2018 CC BY 4.0 12 Sep 2020
