Methods of Increasing Grain Sorghum Production in the Markham Valley.

Abstract

Fertilizers are not in current general use for product on of grain sorghum in the Markham Valley. On former native grassland yield of gram sorghum (cv. Texas 626) was increased from 1,237 lb per acre to 3,046 lb per acre by the application of 71 lb of nitrogen as ammonium sulphate (P<0.001). Responses to phosphorus and potassium were not significant.