Cotton fertilizer tests in the El Paso Area, 1943-51 /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1953

Yield, earliness and lint percent of irrigated upland cotton as affected by nitrogen, phosphate and amount of water applied, Pecos, 1959-60 /

by Longenecker, D. E. (Donald E.)
Published 1961

Reliability of quick tissue tests for determining the fertilizer need of irrigated cotton -- Trans-Pecos area /

by Longenecker, D. E. (Donald E.)
Published 1961

Cotton yields in Pecos county as influenced by applications of ammonium nitrate and superphosphate, 1954 /

by Longenecker, D. E. (Donald E.)
Published 1955

Influence of source of nitrogen fertilizer on yields of acala cotton in the El Paso Valley, 1954 /

by Longenecker, D. E. (Donald E.)
Published 1955

Yield of Acala cotton in the Dell City area as influenced by applications of ammonium nitrate and superphosphate, 1953 /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1954

Yield of Pima cotton at Ysleta as affected by applications of ammonium nitrate and superphosphate, 1953 /

by Christensen, Paul D. (Paul Driggs), 1915-, Lyerly, P. J. (Paul J.)
Published 1954

Cotton yields in the El Paso Valley as influenced by applications of ammonium nitrate and superphosphate /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1951

Cotton yields at Pecos in 1950 as influenced by applications of ammonium nitrate, superphosphate and muriate of potash /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1951

Cotton fertilizer tests in the El Paso Valley, 1949 /

by Anderson, Olan E., Lyerly, P. J. (Paul J.)
Published 1950

Yield of seed cotton at Pecos in 1951 as influenced by applications of ammonium nitrate and superphosphate /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1952

Cotton yields in the El Paso Valley in 1951 as influenced by applications of ammonium nitrate and superphosphate /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1952

Influence of source of nitrogen fertilizer on yields of acala cotton in the El Paso Valley, 1956 /

by Longenecker, D. E. (Donald E.)
Published 1957

Effect of irrigation frequency and rate of applied superphosphate on alfalfa hay yields and quality in the El Paso Valley /

by Longenecker, D. E. (Donald E.), Lyerly, P. J. (Paul J.)
Published 1963

Cotton yields in El Paso Valley as influenced by time of application of ammonium nitrate and superphosphate, 1952 /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1953

Cotton yields at Pecos as influenced by time of application of ammonium nitrate and superphosphate /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1953

Cotton yields in the Dell City area as influenced by applications of ammonium nitrate and superphosphate /

by Christensen, Paul D. (Paul Driggs), 1915-
Published 1953

Influence of source of nitrogen fertilizer on yields of acala cotton in the El Paso Valley, 1955 /

by Longenecker, D. E. (Donald E.)
Published 1956

Fertilizer recommendations for the Upper Rio Grande, and Trans Pecos /

by Thornton, M. K. (Marmaduke Knox), 1892-, Lyerly, P. J. (Paul J.)
Published 1957

Fertilizer recommendations for the Upper Rio Grande and Trans Pecos /

by Bennett, William F., Lyerly, P. J. (Paul J.)
Published 1958