Volume 26, Issue 4 (Winiter 2023)                   jwss 2023, 26(4): 65-78 | Back to browse issues page


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Balvaieh A, Gholami L, Shokrian F, Kavian A. The Effect of Soil Amendments and Precipitation on the Amount of Soil Nutrients in Different Time Periods. jwss 2023; 26 (4) :65-78
URL: http://jstnar.iut.ac.ir/article-1-4175-en.html
Sari Agricultural Sciences and Natural Resources University , gholami.leily@yahoo.com
Abstract:   (1129 Views)
Changes in nutrient concentrations of soil can specify optimal management of manure and prevent environmental and water resources pollution. The present study was conducted with the objective of changing macronutrients concentrations of Nitrogen, Phosphorus, and Potassium with amendments application of polyvinyl acetate, bean residual, and a combination of polyvinyl acetate + bean residual for time periods of one, two, and four months. The results showed that the application of soil amendments had various effects on changing Nitrogen, Phosphorus, and Potassium. The maximum amount of Nitrogen related to the treatment of bean residual at the time period of four months before simulation (with a rate of 44.62 percent) and minimum amount of nitrogen related to Polyvinyl acetate treatment at the time period of one month (with a rate of -1.92 percent). The minimum rate of Phosphorus was measured at the treatment of bean residual at the time period of one month before simulation (with a rate of 0.95 percent). The maximum amount of Potassium related to the treatment of Polyvinyl acetate at the time period of four months before simulation (with a rate of 189.35 percent) and the minimum amount of Potassium related to the combination of bean residual + Polyvinyl acetate at the time period of one month after simulation (with a rate of 40.66 percent). Therefore, the application of amendments has various effects on changing soil macronutrients at different time periods.
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Type of Study: Research | Subject: Ggeneral
Received: 2021/05/26 | Accepted: 2022/05/9 | Published: 2023/03/1

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