Volume 23, Issue 2 (Summer 2019)                   jwss 2019, 23(2): 103-114 | Back to browse issues page


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Dorostkar V, Yousefifard M, Jajarmi Z. The Effect of Oil Meal as a Micronutrient Fertilizer in Saline and Non-Saline Soils. jwss 2019; 23 (2) :103-114
URL: http://jstnar.iut.ac.ir/article-1-3651-en.html
1. Water and Soil Department, Faculty of Agriculture, Shahrood University of Technology, Shahrood, Iran. , vdorostkar@shahroodut.ac.ir
Abstract:   (5886 Views)
A significant amount of the oil meal is produced annually in the oil industry. Oil meal addition into the soil can improve the soil organic matter and micronutrients concentration. This study was conducted to investigate the effect of olive, sesame and black cumin meal (0, 2 and 5 g 100g-1 soil) on the soil Cu, Zn and Fe concentration in saline and non-saline soils by a greenhouse experiment. The soil basal respiration, organic carbon, carbohydrate and DTPA extractable Cu, Zn and Fe concentration were measured after 60 days of incubation. The results showed that the greatest organic carbon and carbohydrate content were observed in olive and black cumin treatments and the lowest was observed in the sesame treatment. Using oil meal in the soil improved the micronutrient concentration, as compared to the control treatment. Sesame meal had the greatest effect on the DTPA extractable Cu and Zn concentration increment. The DTPA extractable Fe concentration was the highest in the sesame treatment and the lowest in the black cumin one. In addition, salinity decreased the DTPA extractable Fe and Zn concentration, as compared to the non-saline soil. As the conclusion, oil meal incorporation in to the soil improved the soil organic carbon and micronutrient concentration. However, their effect depends on the meal quality and soil salinity.
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Type of Study: Research | Subject: Ggeneral
Received: 2018/01/22 | Accepted: 2018/06/10 | Published: 2019/09/1

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