TY - BOOK AU - Maninderdeep Singh TI - EFFECT OF LONG TERM FERTILIZER APPLICATION ON POTASSIUM MINERALOGY AND NUTRITION UNDER MAIZE-WHEAT CROPPING SYSTEM U1 - T 631.582 PY - 2019/// CY - LUDHIANA PB - PAU KW - Potassium,Maize-Wheat,Potassium Mineralogy ER -