AGRONOMIC EFFICIENCY OF NIAE MECHANIZED TIED RIDGE SYSTEM OF CULTIVATION

[1] BOUYOUCOS GJ, 1940, 172 MICH AGR EXPT ST

[2] CASHMORE WH, 1957, J I BRIT AGRIC ENGRS, V13, P3

[3] DAGG M., 1962, East African Agricultural and Forestry Journal, V27, P129

[4] DAGG M, 1964, 2 S E AFR ACAD

[5] DULEY F. L., 1939, SOIL SCI SOC AMER PROC, V4, P60

[6] ELLISON W. D., 1952, EMPIRE JOUR EXPTL AGRIC, V20, P81

[7] FAULKNER O. T., 1944, Tropical Agriculture, Trinidad and Tobago, V21, P177

[8] HAWKINS JC, 1959, EMP COTT GROW REV, V36, P35

[9] HUTCHINSON JOSEPH, 1959, EMPIRE COTTON GROWING REV, V36, P81

[10] LAWES D. A., 1957, Empire Cotton Growing Review, V34, P155

[1] BOUYOUCOS GJ, 1940, 172 MICH AGR EXPT ST

[2] CASHMORE WH, 1957, J I BRIT AGRIC ENGRS, V13, P3

[3] DAGG M., 1962, East African Agricultural and Forestry Journal, V27, P129

[4] DAGG M, 1964, 2 S E AFR ACAD

[5] DULEY F. L., 1939, SOIL SCI SOC AMER PROC, V4, P60

[6] ELLISON W. D., 1952, EMPIRE JOUR EXPTL AGRIC, V20, P81

[7] FAULKNER O. T., 1944, Tropical Agriculture, Trinidad and Tobago, V21, P177

[8] HAWKINS JC, 1959, EMP COTT GROW REV, V36, P35

[9] HUTCHINSON JOSEPH, 1959, EMPIRE COTTON GROWING REV, V36, P81

[10] LAWES D. A., 1957, Empire Cotton Growing Review, V34, P155