000 00332nam a22001217a 4500
003 OSt
082 _aIARI/GL
245 _aQuantification of yield gaps in rain fed rice , wheat , cotton and mustard in India
260 _aNew Delhi
_bIndian agriculture research institute
300 _a30 p
546 _aEnglish
942 _2ddc
_cREP
999 _c158740
_d158740