TY - BOOK AU - Roy,S. ED - Proceedings on The Fertiliser Association of India( TI - Seminar on management of salt-affected calcareous soils: proceedings of the seminar organised jointly by the fertiliserassociation of India, Eastern Regionand Pyrites, phosphates & chemicals in collaboration with Rajendra Agricultural University the department of Agriculture Govt. of Bihar, on 15th-16th December 1981 at Pusa, Samastipur, Bihar U1 - 631.45 PY - 1982/// CY - Calcutta PB - Fertiliser Association of India KW - Soil erosion KW - Soil conservation ER -