000 00419nam a2200133 4500
040 _aISI Library
082 _a73 630.7
_bOB 640
110 _aUnited States. Agricultural Experiment Station
245 _aAggregation of an Orchard and a Vegetable Soil Under Different Cultural Treatments
260 _aOhio:
_bAgricultural Experiment Station,
_c1943.
300 _a28 p.
490 _aBulletin
_v640
942 _2ddc
_cRP
999 _c432613
_d432613