Soils and soil fertility by Frederick R Troeh and Louis M Thompson Thompson Louis M - Troeh Frederick R; Thompson Louis M (New York Oxford University Press, 1993)
^mPurchase^n23/CSL/Carb/95-96/3106^d1995-12-05; ; 95-96/428^b1995-12-14^c2837^d1995-12-12^eShankar's Book Agency Pvt Ltd^f1995-12-14^h1995-12-14; ; 1995-12-15^bSB^c1995-12-26
Keywords: Soil; Agriculture