yield and qualitative traits of sesame as affected by irrigation interval, n fertilizer and superabsorbent

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abstract

in order to study the effect of irrigation interval, n fertilizer and superabsorbent on yield and qualitative traits of sesame (sesamum indicum l.), a split-split-plot experiment was coducted in a farm in khusf of birjand, iran in 2009 on the basis of a randomized complete block design. the main plot was devoted to irrigation interval at three levels of 6, 12 and 18 days, the sub-plot was devoted to n fertilization rate at three levels of 0, 100 and 200 kg ha-1 and the sub-sub-plot was devoted to superabsorbent at two levels of 0 and 200 kg ha-1. it was found that the effect of irrigation interval was significant on seed yield, oil percentage, protein percentage, seed n percentage, oil yield and protein yield, so that the increase in    irrigation interval from 6 to 18 days resulted in significant loss of seed yield, oil yield and protein yield by 44.5, 44.5 and 39.7%, respectively. different n fertilization rates significantly influenced seed yield, oil yield and protein yield, but its effect was not significant on seed oil percentage, protein percentage and n percentage, so that the increase in n level from 0 to 200 kg ha-1 significantly increased seed yield, oil yield and protein yield by 25.6, 28.3 and 25.1%, respectively. according to the results, it is recommended to use the irrigation interval of 6 days with the treatment of 200 kg n ha-1 in order to realize optimum yield of sesame in birjand, iran.

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Journal title:
journal of medicinal plants and by-products

جلد ۵، شماره ۱، صفحات ۵۱-۵۷

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