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Studies on mixing some soil herbicides with nitrogen fertilizer in maize. II. Maize growth, yield and yield components



Studies on mixing some soil herbicides with nitrogen fertilizer in maize. II. Maize growth, yield and yield components



Egyptian Journal of Agronomy 16(1/2): 179-202



Maize grown in Egypt in 1987-88 was given 0, 20 or 55 kg N/ha at sowing in combination with different rates of atrazine, linuron, pendimethalin, metribuzin, alachlor or metolachlor, or hand hoeing, or no weed control. Two later N applications made the total N rate 110 kg/feddan in all treatments. Growth, yield component, grain quality, plant density and yield data are tabulated for all treatments. Weed control increased grain yield by 58-92% in 1987 and by 66-161% in 1988.

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