000 00513nam a2200169Ia 4500
005 20241120172736.0
008 241119s9999||||xx |||||||||||||| ||und||
041 _aENG
082 _a633
_bSIN
100 _aK.N. Singh
245 0 _aMajor crop production constraints and their remedial measures for different agro-climatic zones of India
260 _aNew Delhi
_bIndian Agricultural Research Institute
_c1988
300 _a189p
546 _aENGLISH
700 _a H.C. Bhattacharya B.N. Misra
942 _cBK
999 _c23470
_d23470