000			00567nam a22001457a 4500
999			_c6856 _d6856
005			20191220132028.0
008			171108b xxu||||| |||| 00| 0 eng d
082			_222 _a631.58 ZAN
100			_aZandstra, H.G., _qPrice, E.C., Litsinger, J.A. & Morris, R.A.
245			_aA methodology for on-farm cropping systems research/ (Acc: D 1282) _cBy H.G. Zandstra, E.C. Price, J.A.Litsinger, & R.A. Morris.
260			_aPhilippines.: _bThe International Rice Research Institute. _c1981
300			_a147 p. _bill., _c20 cm.
650			_aFarm cropping system.
942			_2ddc _cAG