000 00309nam a2200133Ia 4500
008 160316s1971 xxu||||| |||| 00| 0 eng d
020 _a
100 _aS. V. Govinda Rajan
245 _aSoil & Crop Productivity
250 _a1st
260 _aNEW YORK
_bASIA PUB. HOUSE
_c1971
300 _a308
700 _a
_a
999 _c38674
_d38674