000			00313nam a2200121Ia 4500
001			MPKV052734
008			120911s9999 xx 000 0 und d
082			_a630
245			_aJournal of Agricultural Research Vol 43 _c;
246			_aJournal of Agricultural Research Vol 43
260			_c1931
650			_aAgronomy
999			_c50734 _d50734