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Effect of split application of nitrogen on the yield of sunflower (Helianthus annuus L.)



Effect of split application of nitrogen on the yield of sunflower (Helianthus annuus L.)



Punjabrao Krishi Vidyapeeth Research Journal 6(1): 28-30



Application of 40 kg N/ha to rainfed sunflower significantly increased the seed and oil yields in 1978-80. Yield increases with N applied in split dressings were significant in 2 of 3 yr of trials. Yields with N applied in 4 equal split dressings at sowing and 15, 30 and 45 days after sowing (DAS) were highest in 1978 when rainfall was uniformily distributed throughout the season, and with 2-3 split dressings in 1979.

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