SOIL POTASSIUM CHEMISTRY AS INFLUENCED BY SOIL AMENDMENTS AND IRRIGATION UNDER MAIZE IN SUDAN SAVANNA  

2015-12-12
Potassium exchange-equilibrium parameters derived from quantity-intensity (Q/I) isotherms and Gapon selectivity coefficient (kG) provided information about soil K availability. Biochar, compost and NPK fertilizer applications to soil may improve K ...

SOIL POTASSIUM CHEMISTRY AS INFLUENCED BY SOIL AMENDMENTS AND IRRIGATION UNDER MAIZE IN SUDAN SAVANNA  

2016-12-13
Potassium exchange-equilibrium parameters derived from quantity-intensity (Q/I) isotherms and Gapon selectivity coefficient (kG) provided information about soil K availability. Biochar, compost and NPK fertilizer applications to soil may improve K ...