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Soil is the most important source of nutrients. Deficiency or excess of nutrients in the soil influences plant growth and crop management. Understanding the changes to the physical and chemical properties of soils in the current management is essential for informed of the outcome management of soil fertility and the use of corrected inputs. In other words, proper management decisions require the knowledge of the effects of agricultural systems on the physical and chemical related properties. In the Honam, this project conducted in previous studies in Karkheh Basin. Therefore, using similar units from other projects and in the case, will be sampling and analysis of physical and chemical parameters. Homogeneous units will provide based on the base map, land cover and topographic maps. Going to place with the GPS device in addition to the questionnaire, will be sampled. Place sample is selected in the middle of the field. In the field, the one-hectare piece is selected and sampling based on the radial method. The results showed that 94% of samples have a pH , more than 7.5, 85% have an electrical conductivity less than 1 dS m-1, 92% have calcium carbonate more than 10%, 86% have organic carbon more than 1%, 74% have a available phosphorus less than 15 mg kg-1, and 74% have a available potassium more than 300 mg kg-1 soil. Also, 22.5, 16.1 and 86 percent of samples have a available iron, manganese and zinc, respectively, less than 7, 7 and 1 mg kg-1 and soil texture is heavy to relatively heavy. Key words: Nutrients, distribution, physical and chemical properties.
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