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The effect of nitrogen fertilizer and planting density on the yield and composition of Rhodes grass grown under irrigation in Saudi Arabia



The effect of nitrogen fertilizer and planting density on the yield and composition of Rhodes grass grown under irrigation in Saudi Arabia



Publication, Joint Agricultural Research and Development Project, University College of North Wales, Bangor and Ministry of Agriculture and Water, Saudi Arabia (12): 15



In an irrigated plot trial, Rhodes grass, planted at 20-, 30- or 40-cm spacings, was given annual applications of 200, 350 or 500 kg N/ha in 12 equal split applications. Plots were cut at 1-month intervals. Total annual yields were 25.8, 37.8 and 44.3 t DM/ha for plants given 200, 350 and 500 kg N/ha, respectively, at 30-cm spacing and 32.7, 44.3 and 38.1 t DM/ha for plants grown at 20-, 30- and 40-cm spacings, respectively, and given 500 kg N/ha.

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