TY - BOOK AU - Sridhar, V. TI - Pyrites as Soil Amendment and Its role in Increasing the Efficiency of Applied Fertlizers in Paddy and Succeeding Wheat U1 - 631.82 PY - 1976/// CY - Pusa, Samastipur PB - RAU & TCA, Dholi KW - Agronomy KW - Msc ER -