P - Fixation
1. Soils High In 1 : 1 Clays (Kaolinite) Are Highly Weathered. Hence, They Contain Large Quantities of Hydrated Oxides of Fe and Al. These Oxides Occlude P (Occluded P) or, P is Adsorbed On The Surface Of These Oxides (Surface Precipitated or…

Factors Affecting on Potassium In Soils -
Soil pH Plays Significant Role In Availability of Potassium. In Acid Soils Hydroxy Ions of Al and Hydrogen Ions Compete With Potassium Ions For The Exchange (or) Adsorption Sites and Able To Keep More Potassium Ions…