The use of inorganic fertilizer has become unsustainable due to high cost and environmental pollutio
Haricot bean (Phaseolus vulgaris L.) is an important cash crop and protein source for farmers in man
Abstract Maize ( Zea mays L.) is an important food security crop in Ethiopia. However, low soil fe
Low soil phosphorus levels in savanna soils of Ghana limit cowpea response to inoculation. A two-yea
International audience Phosphorus is essential for physiological processes including