CONTRIBUTION OF SOIL AND SOIL FRACTIONS’ (CLAY AND SILT) EXCHANGEABLE AND NONEXCHANGEABLE POTASSIUM TO AVAILABLE POTASSIUM FOR CORN PLANT IN LOESS-LIKE AND LOESS-DERIVED SOILS OF GOLESTAN PROVINCE

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FARSHADIRAD A.; DORDIPOUR E.

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Journal Paper

Paper Information

Journal: Journal of Water and Soil Science Year:2015 | Volume:19 | Issue:72 Page(s): 269-278

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Title

CONTRIBUTION OF SOIL AND SOIL FRACTIONS’ (CLAY AND SILT) EXCHANGEABLE AND NONEXCHANGEABLE POTASSIUM TO AVAILABLE POTASSIUM FOR CORN PLANT IN LOESS-LIKE AND LOESS-DERIVED SOILS OF GOLESTAN PROVINCE

Author(s)

FARSHADIRAD A. | DORDIPOUR E. | Issue Writer Certificate

Keywords

POTASSIUMQ2

CLAYQ2

SILTQ2

Abstract

Determination of relationships between different forms of POTASSIUM in soils and their constituents can help us to resolve some nutritional problems such as POTASSIUM fixation and release and its fertilization management in soil. This investigation was carried out to determine the contribution of soil and their constituents (clay and SILT) Kex and Knex to available POTASSIUM for plants in 12 loess-like and loess-derived soil series of Golestan province in a pot experiment of corn. Total K uptake of corn in the greenhouse experiment was used as an index of soil-available K. Results showed that the contribution of Kex to plant K uptake was more than that of Knex in CLAY fraction of all soils. Whereas the contribution of Knex to plant K uptake was more than that of Kex in SILT fraction of all soils excluding Oghchi soil series with the highest initial Kex. Therefore, the SILT fraction is an important K source for supplying the plant need for K in loess-like and loess-derived soils.

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APA: Copy

FARSHADIRAD, A., & DORDIPOUR, E.. (2015). CONTRIBUTION OF SOIL AND SOIL FRACTIONS’ (CLAY AND SILT) EXCHANGEABLE AND NONEXCHANGEABLE POTASSIUM TO AVAILABLE POTASSIUM FOR CORN PLANT IN LOESS-LIKE AND LOESS-DERIVED SOILS OF GOLESTAN PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 19(72), 269-278. SID. https://sid.ir/paper/14821/en

Vancouver: Copy

FARSHADIRAD A., DORDIPOUR E.. CONTRIBUTION OF SOIL AND SOIL FRACTIONS’ (CLAY AND SILT) EXCHANGEABLE AND NONEXCHANGEABLE POTASSIUM TO AVAILABLE POTASSIUM FOR CORN PLANT IN LOESS-LIKE AND LOESS-DERIVED SOILS OF GOLESTAN PROVINCE. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2015;19(72):269-278. Available from: https://sid.ir/paper/14821/en

IEEE: Copy

A. FARSHADIRAD, and E. DORDIPOUR, “CONTRIBUTION OF SOIL AND SOIL FRACTIONS’ (CLAY AND SILT) EXCHANGEABLE AND NONEXCHANGEABLE POTASSIUM TO AVAILABLE POTASSIUM FOR CORN PLANT IN LOESS-LIKE AND LOESS-DERIVED SOILS OF GOLESTAN PROVINCE,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 19, no. 72, pp. 269–278, 2015, [Online]. Available: https://sid.ir/paper/14821/en

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