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Wheat growth and nitrogen uptake as influenced by the application of water and fertilizer nitrogen at varying rates in a sandy soil



Wheat growth and nitrogen uptake as influenced by the application of water and fertilizer nitrogen at varying rates in a sandy soil



Indian Journal of Ecology 4(2): 177-182



The effects of applying a given amount of water (38 .+-. 0.5 cm) at 5.5, 7.5 and 9.5 cm and 150 kg of N/ha in 1-4 splits on the growth of wheat and N uptake was evaluated. Irrigations applied at the rate of 5.5 cm produced 17 and 27% more grain yields than irrigations applied at 7.5 and 9.5 cm, respectively. The applications of N in 3 splits produced 30, 14 and 9% more grain yields than 1, 2 and 4 splits of N, respectively. The increase in yield resulting from the splitting of N declined with heavier irrigations. Grain yield, the total dry matter and the uptake of N were highest with a treatment combination of the irrigation rate of 5.5 cm and 3 splits of N, and decreased with irrigations heavier than 5.5 cm ard N splits less or more than 3. The growth of wheat and the efficiency of N use apparently can be improved in sandy soils by applying light surface irrigations and a properly timed 3-split application of N.

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Accession: 006917221

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