000 00604nam a2200193Ia 4500
919 _a111428
082 _a631.4
_bN211
100 _aHall, A.D.
245 _aSoil
_bAn introduction to the scientific study of the growth of crops.
_cby A.D. Hall.
250 _a3rd.
260 _aLondon
_bMurray
_c1921
999 _c107274
_d107274