000 00367nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aDutt, J.O., Fletcher, R.F.
245 _aVegetable crops : Soil management and fertilization
260 _aPennsylvania
_c1957
300 _a17 p.
440 _aNo. 474; Pennsylvania Agricul
901 _a63639
942 _cB
_2udc
999 _c10278
_d10278