EFFECTS OF TIME OF NITROGEN APPLICATION ON YIELD OF MAIZE IN TROPICS

[1] DIAMOND WED, 1937, EMPIRE J EXP AGR, V5, P264

[2] Soil formation in Southern Nigeria. (The "Ilepa"profile) [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1933, 23 : 208 - 215

[3] FAYEML ADEBOYEJO A., 1963, EMP JOUR EXPTL AGRIC, V31, P371

[4] GAUTAM O. P., 1964, Indian Journal of Agronomy, V9, P1

[5] LAIRD PJ, 1959, SEC AGRIC GANAD MEXI, V35, P63

[6] LANZA F., 1959, Maydica, V4, P67

[7] MACFARLAND J, 1939, EMP J EXPT AGRIC, V1, P155

[8] SNEDECOR GW, 1956, STATISTICAL METHODS

[9] VERMA G., 1962, INDIAN JOUR AGRIC SCI, V32, P1

[10] VINE H., 1953, Empire Journal of Experimental Agriculture, V21, P65

[1] DIAMOND WED, 1937, EMPIRE J EXP AGR, V5, P264

[2] Soil formation in Southern Nigeria. (The "Ilepa"profile) [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1933, 23 : 208 - 215

[3] FAYEML ADEBOYEJO A., 1963, EMP JOUR EXPTL AGRIC, V31, P371

[4] GAUTAM O. P., 1964, Indian Journal of Agronomy, V9, P1

[5] LAIRD PJ, 1959, SEC AGRIC GANAD MEXI, V35, P63

[6] LANZA F., 1959, Maydica, V4, P67

[7] MACFARLAND J, 1939, EMP J EXPT AGRIC, V1, P155

[8] SNEDECOR GW, 1956, STATISTICAL METHODS

[9] VERMA G., 1962, INDIAN JOUR AGRIC SCI, V32, P1

[10] VINE H., 1953, Empire Journal of Experimental Agriculture, V21, P65