000 | 00407nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170101s1971 xx 000 0 und d | ||
082 | _a631.4 G60S | ||
100 | _aGovinda Rajan, S.V. | ||
245 | 0 | _aSoil and crop productivity | |
260 |
_aBombay _bAsia _c1971 |
||
300 | _a23cm. 313 | ||
650 | _aINDIA -- SOIL | ||
653 | _aCROP YIELDS | ||
653 | _aINDIA -- SOIL | ||
653 | _aSOIL | ||
942 |
_2ddc _cB |
||
999 |
_c44254 _d44254 |