000 00625nam a22001937a 4500
003 OSt
008 220921b |||||||| |||| 00| 0 eng d
082 _a631.58
_bI39P
100 _aISA
245 _aProceedings of National Symposium on Efficient Cropping Systems Zones of India (7 - 10, January, 1988) /
_cby Indian Society of Agronomy
260 _a.- New Delhi
_b: Indian Society of Agronomy
_c, 1992
300 _axl,553p.
650 _aTechnology (Applied Sciences)
650 _aAgriculture and Related Technologies
650 _aCropping Systems
650 _aProceedings
650 _aIndia
942 _2ddc
_cDRB
999 _c25360
_d25360