000 00306 a2200121 4500
080 _a633.18:631.5
_bI 61 R
245 1 _aRice farming systems
_bnew directions :
260 _aPhilippines
_bInternational Rice Research Institute
_c1989
650 _aRice
100 _a
_d
300 _a375 p.
901 _a162158
999 _c85232
_d85232