000 00539 am a2200181 a 4500
245 1 _aStudies on multiple cropping with rice under different soil management systems.
300 _a175p+Appen39+Tab.25+Fig.14
650 _aMixed cropping
650 _aMultiple cereals
650 _aFood grains
650 _aSoil management
650 _aSoil science
502 _cU. P. Agricultural University
_bPh. D. (agronomy)
_d1971
502 _gModgal, S. C.
100 1 _aNair, P. K. Ramachandran
_d
942 _2udc
_cT
901 _aRF6467
999 _c149829
_d149829