000 00365nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
100 _aStegman, E.C.
245 _aCrop curves for water balance irrigation scheduling in S.E. North Dakota
260 _aFargo
260 _c1977
440 _aNo. 66; Dakota N, Agricultural
901 _pS29372
942 _cB
_2udc
999 _c119318
_d119318