000 00606nam a2200145Ia 45e0
008 141010n ii |||gr||||Z||||||eng
020 _a9290661151
082 _a630
100 _aICRISAT ,
_eAuthor .,
245 0 _aFarming Systems Principles: For Improved Food Production and the Control of Soil Degration in the Arid, Semi-Arid, and Humid Tropics
_cICRISAT
_hReports
260 _aAndhra Pradesh:
_bUnited of Nations Environment Programme ICRISAT ,
_c1986.
300 _a36.
653 _aAgriculture. & related technologies
942 _2ddc
_cR
999 _c42401
_d42401