000 00621nam a2200229Ia 4500
008 141004s9999 xx 000 0 und d
040 _ca
041 _aEnglish
082 _a631.4
082 _bKAN/PL
100 _aJS Kanwar
245 _aPlant nutrient needs, supply, efficiency and policy issues: 2000-2025
245 _cJS Kanwar
260 _aNew Delhi
260 _bNational Academy of Agricultural Sciences
260 _c1997
300 _a329 p.
300 _b24 cm
501 _aCOF
650 _aGreen manuaring
942 _cBK
999 _c173729
_d173729