000 | 00652nam a2200205Ia 4500 | ||
---|---|---|---|
008 | 170101s1998 xx 000 0 und d | ||
082 | _a631.58 Y-1A | ||
100 | _aYadav, R.L | ||
245 | 0 | _aAnalysis of Eco-Regional Production Constraints In Rice-Wheat Cropping System | |
260 |
_aMeerut _bProject Directorate For Cropping Systems Research _c1998 |
||
300 | _a22cm:68 | ||
440 | _aPDCSR Bulletin No. 98-2 | ||
650 | _aCROPPING SYSTEMS -- INDIA | ||
653 | _aCROPPING SYSTEMS -- INDIA | ||
653 | _aMULTIPLE CROPPING | ||
653 | _aREICE RESEARCH | ||
653 | _aROTATION OF CROPS -- RESEARCH | ||
653 | _aWHEAT RESEARCH | ||
942 |
_2ddc _cB |
||
999 |
_c120228 _d120228 |