Safflower yield and yield components responses to integration of composted manure fertilizer and biological fertilizer of nitroxin

مرادی تلاوت, محمدرضا and موسوی‌نیا, سیدمهدی and سیادت, سیدعطاء‌الله and موسوی, سیدهاشم Safflower yield and yield components responses to integration of composted manure fertilizer and biological fertilizer of nitroxin. In: 2nd International and 6th National Iranian Congress on Organic vs. Conventional Agriculture, August 2019, Ardabil, Iran.

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Abstract

To investigate of some quantitative characteristics of safflower to integration of composted manure fertilizer and biological fertilizer of nitroxin, a split plot design was conducted in the basis of randomized complete blocks (RCBD) with four replications in Agricultural Sciences and Natural Resources University of Khuzestan at crop year of 2015-2016. Experimental factors were consisted of composted manure levels (0, 15, 30, 45 and 60 ton/ha) and biological fertilizer of nitroxin (I: control, II: seed inoculated). The results showed that application of composted manure caused to significant increase of sear number per plant, grain per ear, thousand grains weight, grain and oil yield. In addition, nitroxin application caused to increase of ear number per plant, thousand grains weight, grain and oil yield, significantly. Highest grain and oil yield (4970 and 1440.75 kg/ha, respectively) was obtained with application the rate of 60 ton/ ha of composted manure and seed inoculated with nitroxin. On the other hand, lowest grain and oil yield (2170 and 743.5 kg/ha, respectively) was observed while no compost and nitroxin was be applied. In the experiment, almost of characteristics was at highest quantity in the rates of 45 and 60 ton/ ha of compost along with seed inoculation of nitroxin. Therefore, it could be noted that application of composted manure higher than 45 ton/ha had no significant effect on grain and oil yield of safflower.

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