000 00380nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aHawthorn, Leslie R.
245 _aStudies of soil moisture and spacing for seed crops of carrots and onions
260 _aWashington
_c1951
300 _a1-26 p.
440 _aUnited States Department of A
901 _a37040
942 _cB
_2udc
999 _c6804
_d6804