000 00310nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a633.2
_bMAY
245 0 _aForage fertilization
260 _aMadison
_bAmerican Soc of Agronomy
_c1974
650 _aForage fertilization
700 _aMAYS, D A
942 _cBK
999 _c31919
_d31919