Comparative performance of three grain sorghum (Sorghum bicolor L. Moench) cultivars grown under rubber and in the open field as affected by nitrogen level and plant density [micro... nork Gloria, Ricardo Tumanda 1940-

Response of peanut cultivar CES 101 to calcium, nitrogen and plant population density [microform] nork Gloria, Ricardo Tumanda

Comparative performance of three grain sorghum (Sorghum bicolor L. Moench) cultivars grown under rubber and in the open field as affected by nitrogen level and plant density nork Gloria, Ricardo Tumanda

Response of peanut cultivar CES 101 to calcium, nitrogen,and plant population density nork Gloria, Ricardo Tumanda 1940-

Comparative performance of three grain sorghum (Sorghum bicolor L. Moench) cultivars grown under rubber and in the open field as affected by nitrogen level and plant density nork Gloria, Ricardo Tumanda $1940-