000 00425nam a2200109Ia 4500
008 140205s9999 xx 000 0 und d
100 _aMombiela, Francisco A
245 _aEvaluation of fertilizer recommendation methodologies using simulated corn p responses in North Carolina Norfolk-like soils with varying soil p fertility
260 _bAgricultural research service
_aNorth Carolina
_c1980
300 _a66
942 _2ddc
_cTR
999 _c5044
_d5044