000 00402nam a2200121Ia 4500
008 161002s9999 xx 000 0 und d
100 _aRajkannan B.
245 0 _a"Effect of tillage, organics and nitrogen on physical properties and nitrogen availability in soils with subsoil hardpan at shallow depth"
563 _aHOT COPY
652 _aNIL
700 _f1996
_aDr. C.S.Balasundaram
942 _cTH
999 _c111512
_d111512