Volume 24, Issue 4 (Winter 2021)                   JWSS 2021, 24(4): 127-139 | Back to browse issues page

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Afzalinejad F, Ghasemi S, Seyfati S E, Shahbazi S. The Effect of Sewage Sudge on the Growth and some Nutrient Elements of Three Quinoa Genotypes in a Calcareous and Saline Soil. JWSS. 2021; 24 (4) :127-139
URL: http://jstnar.iut.ac.ir/article-1-3950-en.html
1. Department of Soil Science, Faculty of Natural Resources, Yazd University, Yazd, Iran. , s.ghasemi@yazd.ac.ir
Abstract:   (642 Views)
Today, the use of organic wastes as fertilizers to improve the physical, chemical and biological properties of soil is common. In this study, to investigate the effect of the sewage sludge on the growth and concentration of chlorophyll, nitrogen, phosphorus and potassium in quinoa plant, a factorial experiment was conducted based on a completely randomized design with three replications in a calcareous soil with electrical conductivity of 13.1 dS m-1. Treatments included three genotypes of quinoa (Red carina, Titicaca, Q29) and three levels of sewage sludge (0, 20 and 40 t ha-1). The results showed that the effects of the quinoa genotype, different levels of sewage sludge and the interaction of treatments on the root dry weight, shoot P concentration and chlorophyll concentration were significant. Also, the sewage sludge had a significant effect on the shoot length, shoot dry weight and shoot nitrogen concentration. By increasing the level of the sewage sludge, root length, shoot length, shoot dry weight and shoot N concentration were increased, on average, by 44.7 %, 48.8%, 42.0% and 46.6%, respectively. Also, application of 40 t ha-1 sewage sludge significantly increased the chlorophyll concentration and shoot P concentration in Q29 and Titicaca genotypes. According to the results of this study, application of sewage sludge can increase the growth of quinoa by improving its nutrition.
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Type of Study: Research | Subject: Ggeneral
Received: 2019/10/28 | Accepted: 2020/07/5 | Published: 2021/02/28

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