ASSESSMENT OF LAND LEVELING EFFECT ON THE SPATIAL VARIABILITY OF SOIL FERTILITY PROPERTIES IN PADDY FIELDS

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DAVATGAR N.; SHAKOURI KATIGARI M.; YAZDANI M.R.

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Paper Information

Journal: WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE) Year:2012 | Volume:22 | Issue:2 Page(s): 41-54

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Information Journal Paper

Title

ASSESSMENT OF LAND LEVELING EFFECT ON THE SPATIAL VARIABILITY OF SOIL FERTILITY PROPERTIES IN PADDY FIELDS

Author(s)

DAVATGAR N. | SHAKOURI KATIGARI M. | YAZDANI M.R. | Issue Writer Certificate

Keywords

GEOSTATISTICSQ4

LAND LEVELINGQ2

PADDY FIELDQ4

SOIL FERTILITYQ4

AND STANDARDIZED SEMIVARIOGRAMQ4

Abstract

Land leveling and consolidation of paddy soils is a key approach in precision agriculture for water management improvement, weed control and agricultural mechanization. However, nutrients spatial variability in these fields is affected by LAND LEVELING. The objective of this study was to determine LAND LEVELING effect on the degree of spatial variability of SOIL FERTILITY. LAND LEVELING caused significant spatial variability and spatial distribution of SOIL FERTILITY properties. Clay content significantly increased, while soil organic carbon, total nitrogen, available phosphorous and available potassium significantly decreased. Alteration of spatial distribution was due to cut off the top soil at higher locations and its deposition on the low areas. The post-leveling evaluation of soil several fertility status with GEOSTATISTICS demonstrated that leveled field faced with deficiency in one or several nutrients. The traditional fertilizer recommendation for whole field would accelerate non- uniformity in SOIL FERTILITY status and would not lead to realization of the potential.

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APA: Copy

DAVATGAR, N., SHAKOURI KATIGARI, M., & YAZDANI, M.R.. (2012). ASSESSMENT OF LAND LEVELING EFFECT ON THE SPATIAL VARIABILITY OF SOIL FERTILITY PROPERTIES IN PADDY FIELDS. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), 22(2), 41-54. SID. https://sid.ir/paper/147762/en

Vancouver: Copy

DAVATGAR N., SHAKOURI KATIGARI M., YAZDANI M.R.. ASSESSMENT OF LAND LEVELING EFFECT ON THE SPATIAL VARIABILITY OF SOIL FERTILITY PROPERTIES IN PADDY FIELDS. WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE)[Internet]. 2012;22(2):41-54. Available from: https://sid.ir/paper/147762/en

IEEE: Copy

N. DAVATGAR, M. SHAKOURI KATIGARI, and M.R. YAZDANI, “ASSESSMENT OF LAND LEVELING EFFECT ON THE SPATIAL VARIABILITY OF SOIL FERTILITY PROPERTIES IN PADDY FIELDS,” WATER AND SOIL SCIENCE (AGRICULTURAL SCIENCE), vol. 22, no. 2, pp. 41–54, 2012, [Online]. Available: https://sid.ir/paper/147762/en

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