000			00807nam a2200241u 4500
001			00765775
003			PWmBRO
005			20180324015323.0
008			070388
090			_aVF _b338.14/0724/S651
100	1	0	_aSmith, J.
245	1	0	_aProduction risk and optimal fertilizer rates : _ban application of the random coefficent model / _cJ. Smith and G. Umali.
260			_aManila : _bInternational Rice Research Institute, _c1985.
300			_a13 p. : _bill. ; _c28 cm.
440	0	0	_aIRRI research paper series ; _vno. 115
500	0	0	_aCover title.
650	0	0	_aFertilizers.
650	0	0	_aRice _xFertilizers _xMathematical models.
650	0	0	_aCrop yields _xMathematical models.
700	1	0	_aUmali, G.
710	2	0	_aInternational Rice Research Institute.
942			_2ddc
999			_c42662 _d42662