Nelliat, E.V.2014-07-022014-07-021978Potassium in Soils and Crops, proceedings of a Symposium held at Vigyan Bhavan, New Delhi, Nov. 16-17, 1978. Edited by G. S. Sekhon, published by Potash Research Institute of India, New Delhi.http://hdl.handle.net/123456789/3558enArticle