EVALUATION OF DIFFERENT INTERPOLATION METHODS FOR DETERMINATION OF SPATIAL VARIABILITY OF MICRONUTRIENTS IN AGRICULTURAL LANDS OF GOLESTAN PROVINCE SOME (SHORT TECHNICAL REPORT)

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SADEGHI S.; KAZEMI H.; TAHMASEBI SARVESTANI Z.; KAMKAR B.; SHATAEI SH.

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Journal: Journal of Soil Management and Sustainable Production Year:2014 | Volume:4 | Issue:3 Page(s): 323-334

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Title

EVALUATION OF DIFFERENT INTERPOLATION METHODS FOR DETERMINATION OF SPATIAL VARIABILITY OF MICRONUTRIENTS IN AGRICULTURAL LANDS OF GOLESTAN PROVINCE SOME (SHORT TECHNICAL REPORT)

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GEOSTATISTICQ2

KRIGINGQ2

SPATIAL DISTRIBUTIONQ2

ZONINGQ2

Abstract

In this research, the SPATIAL DISTRIBUTION of Fe, Cu, Zn and Mn on agricultural lands of Golestan province was evaluated using different interpolation methods such as, KRIGING, Inverse Distance Weighted (IDW), Local Polynomial and Radial Basis Function. Thus, 505 soil samples were collected from fields during 2008 and micronutrients rates were measured for each sample. The performance criteria for evaluation of the used method were Mean Absolute Error (MAE), Mean Bias Error (MBE) and Root Mean Square Error (RMSE) with the Cross Validation method.The results showed that Inverse Multiquadric and KRIGING (Exponential and Spherical models) were the best methods to estimate Fe and Mn. KRIGING and Local Polynomial were also found as the most suitable and unsuitable methods for estimating Cu, respectively. Inverse Distance Weighted method with power one, had the highest precision (MAE=0.304 and MBE=0.002) for estimation of zinc rate in this area. Semivariogram analysis indicated that Mn and Cu were best fitted to a spherical model. Result of ZONING showed that amounts of these elements were lower in north and east regions of province.

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APA: Copy

SADEGHI, S., KAZEMI, H., TAHMASEBI SARVESTANI, Z., KAMKAR, B., & SHATAEI, SH.. (2014). EVALUATION OF DIFFERENT INTERPOLATION METHODS FOR DETERMINATION OF SPATIAL VARIABILITY OF MICRONUTRIENTS IN AGRICULTURAL LANDS OF GOLESTAN PROVINCE SOME (SHORT TECHNICAL REPORT). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 4(3), 323-334. SID. https://sid.ir/paper/209684/en

Vancouver: Copy

SADEGHI S., KAZEMI H., TAHMASEBI SARVESTANI Z., KAMKAR B., SHATAEI SH.. EVALUATION OF DIFFERENT INTERPOLATION METHODS FOR DETERMINATION OF SPATIAL VARIABILITY OF MICRONUTRIENTS IN AGRICULTURAL LANDS OF GOLESTAN PROVINCE SOME (SHORT TECHNICAL REPORT). ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2014;4(3):323-334. Available from: https://sid.ir/paper/209684/en

IEEE: Copy

S. SADEGHI, H. KAZEMI, Z. TAHMASEBI SARVESTANI, B. KAMKAR, and SH. SHATAEI, “EVALUATION OF DIFFERENT INTERPOLATION METHODS FOR DETERMINATION OF SPATIAL VARIABILITY OF MICRONUTRIENTS IN AGRICULTURAL LANDS OF GOLESTAN PROVINCE SOME (SHORT TECHNICAL REPORT),” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 4, no. 3, pp. 323–334, 2014, [Online]. Available: https://sid.ir/paper/209684/en

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