Integration of chitosan and NPK nonparticles to enhance the yield, fiber and yarn quality of Egyptian cotton

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The purpose of the current study is to compare among traditional fertilizers (mineral fertilizers); N, P and K and untraditional fertilizers (nano-fertilizers); chitosan, integration of chitosan and N, P or K nano-particles with different doses of 10, 20 and 30mg/l. Mineral fertilizers were obtained from the chemical store of Soils and Water Research Institute, ARC. Nano-fertilizers were prepared in National Institute of Laser Enhanced Science (NILES), Cairo University. The studied cotton variety was Giza 94 (G94). All used cotton samples were collected from 2017 and 2018 cotton growing seasons. Cotton fiber properties was conducted at Egyptian & International Cotton Classification Center (EICCC) using Fiber Classifying System (FCS), (ARC). Almost of cotton properties such as seed cotton yield, boll weight, lint percentage and lint cotton yield, cotton fiber properties; uniformity index, upper half mean, strength, elongation, reflectance percentage, yarn strength and yellowness gave a significant contribution towards final product. The conclusion of results was that nano-fertilize doses of chitosan+K 30mg/l was the best for almost studied properties followed by other nano-fertilizers chitosan+K 10 or 20mg/l, chitosan+P10,20 or 30mg/l, chitosan+N 10,20 and 30mg/l, chitosan and finally traditional fertilizers; mineral fertilizers.