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Asgari H R, varnaseri S, ajami M, boali A. Comparison of the Effect of Tillage Operations in Different Time Sequences on Physical and Chemical Properties of Surface Soil (Case Study: Agricultural lands of Qarabolagh village, east of Aq Qala City). Degradation and Rehabilitation of Natural Land. 2021; 1 (2) :35-44
URL: http://drnl.sanru.ac.ir/article-1-148-en.html
Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
Abstract:   (779 Views)
Tillage operations have the most effective role in increasing soil yield economically. Therefore, the purpose of this study is to compare the effect of conservation tillage operations (No tillage e and Low tillage) and conventional tillage system on physical and chemical properties of topsoil in different time sequences in Aqqala region. The experiments were performed in a completely randomized design at a depth of 0-25 cm in three treatments without tillage, low tillage and conventional tillage. In this study, data analysis is performed by comparing the mean of the data in the three treatments. Data normality test was performed using Kolmogorov-Smirnov test. The difference between the means was calculated using Duncan's test at the confidence level of 0.05 and 0.01. In this study, the parameters of organic carbon, organic matter, bulk density, carbon sequestration, percentage of clay, silt and soil sand were evaluated in three treatments. The results showed the difference between the performance of conservation tillage and conventional tillage and the low yield of conservation tillage at the beginning and then its increase in the long run. Therefore, changing the way crops are grown from the previous conventional system to modern tillage methods can be a good solution to improve soil cultivation conditions and increase crop production efficiency in these lands.
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Type of Study: Research |
Received: 2020/09/17 | Accepted: 2020/11/8 | Published: 2021/09/11

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