Wheat is an important stable foodgrain crop and being the main source of calories it has immense importance in Indian diet. Sandy soils of Rajasthan are excessively permeable, poor in organic matter and prone to be deficient in potassium and zinc availability. An intensive cropping lead to depletion of potassium from the soil due to its released from fixed forms. Besides, a greater emphasis on nitrogen fertilization corresponding to potassium is influence soil fertility, crop yields and sustainability of agriculture. Already a fall in productivity in the absence of potassium has been proven...