000 00383nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aMaples, R., Keogh, J.L.
245 _aNitrogen rates for cotton on delta soils of Arkansas
260 _aFayetteville
260 _c1973
300 _a22 p.
440 _aNo. 780; Arkansas University,
901 _pS22839
942 _cB
_2udc
999 _c128417
_d128417