00471nam a22001697a 4500 OSt 260610b |||||||| |||| 00| 0 eng d 631.4 P73E Kumar, Prabhat An Economic Appraisal of Amendments in Reclamation of Sodic Calcareous Soil and Its Effect of Rice Yield Pusa, Samastipur RAU 1998 71P. Msc. 1998 Soil Science Thesis ddc T 51905 51905 0 0 ddc 0 0 RAU RAU 2026-06-10 By Authors 0.00 0 631.4 P73E 46771-UL 2026-06-10 2026-06-10 T gift