000 00444nam a2200157Ia 4500
008 130223s9999 xx 000 0 und d
080 _a633.18-1.557:631.841.7(92)
100 _aMolster, H.C.
245 _aMethods of estimating fertilizer response with an application to urea use on ric
260 _aWageningen
260 _c1978
300 _a232 p.
440 _aNo. 877; Netherlands Centre fo
901 _pS30785
942 _cB
_2udc
999 _c127652
_d127652