000 00313nam a2200121Ia 4500
001 MPKV054638
008 120911s9999 xx 000 0 und d
082 _a630
245 _aJournal of Agricultural Research Vol 62
_c;
246 _aJournal of Agricultural Research Vol 62
260 _c1941
650 _aAgronomy
999 _c52635
_d52635