000 00333nam a2200121Ia 4500
008 151128s9999 xx 000 0 und d
041 _aENG
245 _aSoil related constraints in crop production
260 _c1991
_aNew Delhi
_bIndian Society of Soil Science
300 _a176p.
700 _aBiswas, T. D. [et al.]
942 _cBK
999 _c28532
_d28532