00525nam a2200181Ia 4500 18747 18747 OSt 20191021100310.0 140316s9999 xx 000 0 und d 631.43 SIN/SO Singa Rao M Soil physical constrants and their managment for increasing crop production in Andra pradesh Andrapradesh Andhra pradesh agricultural university 86 Jayasree,G Nagandar,Rao Prabhu prasadini,R ddc REP 0 0 ddc 0 0 KAUCLV KAUCLV REPORTS 2014-03-18 0 631.43 SIN/SO 205534 2014-03-18 00:00:00 2014-03-18 REP