Gupta., A. K. Varshney, M. L. Practical manual for agricultural chemistry / [by] A.K.Gupta, M. L.Varshney - Ludhiana Kalyani pub. 1993 - 1 v. (v.1-xi, 116 pages) Includes appendices & index. ISBN: 8170962439 Subjects--Topical Terms: Agricultural chemistry Dewey Class. No.: 630.24 / GUP