Nitrogen rates for cotton on delta soils of Arkansas
Maples, R., Keogh, J.L.
Nitrogen rates for cotton on delta soils of Arkansas - Fayetteville 1973 - 22 p. - No. 780; Arkansas University, .
Nitrogen rates for cotton on delta soils of Arkansas - Fayetteville 1973 - 22 p. - No. 780; Arkansas University, .