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Information Journal Paper

Title

EFFECT OF NANO, CHEMICAL, AND BIOLOGICAL FERTILIZERS ON THE YIELD AND QUALITY OFSESAME SEEDS UNDER DIFFERENT IRRIGATION REGIMES

Pages

  263-281

Abstract

 In order to evaluate the effects of chemical, biological and nano fertilizers on the yield and quality traits(oil and PROTEIN) of sesame seeds under different irrigation regimes an experiment was conducted as asplit-plot factorial based on completely randomized blocks design with three replications at ShahedUniversity during 2015-2016 growing seasons. IRRIGATION WITHHOLDING levels (full irrigation (control) andIRRIGATION WITHHOLDING at 65 and 75 BBCH (codes of phonological stages that are equivalent to 50% offlowering and seed ripening respectively) were assigned as main plot and different nitrogen combinations(nitroxin, UREA, and a mix of 50% NITROXIN plus UREA), various combinations of potassium (not used, nanopotassiumfoliar application (2 per thousand), irrigated use of potassium dioxide (2 L ha− 1) and soilapplication of nano-potassium (2 kg ha− 1) were allocated in the subplots. The highest number of per-plantcapsules (19. 26 numbers) was observed with irrigation up to 50% seed ripening and the use of UREAtogether with the potassium nano chelate foliar application. The greatest grain yield and PROTEIN contentand yield were obtained in irrigation up to 50% seed ripening in the absence of potassium fertilizer andnitroxin usage (1340. 5, 276. 53 kg ha− 1 and 5-20%, respectively). The OIL yield was utmost in irrigation upto 50% flowering and foliar application of potassium nano chelate together with the mixed system of 50%urea fertilizer plus NITROXIN with average values of 47. 96% and 550. 46 kg ha− 1, respectively. The use ofnitroxin as a nano-bio-fertilizer and foliar application of chelated nano potassium in irrigationwithholding conditions up to 50% grain aggregation resulted in increased grain yield (approx. 15%compared to the control) as well as improved quality of sesame seeds.

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