Planting equipment and practices for cotton on the high plains /

by Holekamp, E. R.
Published 1962

Cotton planting equipment tests at Pecos, 1959 /

by Holekamp, E. R.
Published 1960

Soil temperature : a guide to timely cotton planting /

by Holekamp, E. R., Hudspeth, E. B., Ray, Larry L.
Published 1960

Cotton planting rate studies on the High Plains /

by Ray, Larry L., Hudspeth, E. B., Holekamp, E. R.
Published 1959