00702nam a2200253 4500 20150611111633.0 000 000 9251005109 UOEL S596 .7 .F52 1978 Flaig, W. Organic Materials and Soil Productivity / by W. Flaig, B. Nagger...[et al.] Rome,Italy.: Food and Agriculture Organization of the United Nations, c1978. viii,119p.: Ill. FAO Soils Bulletin 35 references(p101-119) Organic Materials Soil Productivity Naggar, B. Sochtig, H. Tietjen, C. lcc LL 10049 10049 0 0 lcc 0 0 UOE UOE GEN 2015-06-11 0 S596 .7 .F52 1978 20055118 2026-04-27 12:01:32 20055118 2015-06-11 LL