000 00640nam a22002297a 4500
015 _a4597
041 _a1
080 _a631.5:03
_bBAR
100 _aDe Datta, S.K.
100 _aGomez, K.A.
100 _a Herdt, R.W.
100 _aBarker, R.
245 _aA handbook on the methodology for an integrated experiment-survey on rice yield constraints
260 _aThe International Rice Research Institute (IRRI)
_c1978
300 _a59p.
_bfig., table, chart
650 _aAgriculture
852 _a4L 4-2
999 _c4093
_d4093