POTASSIUM MOVEMENT IN SOIL AS INFLUENCED BY DIFFERENT METHODS OF IRRIGATION AND FERTILIZER APPLICATION

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AJDARY KH.

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Journal: Journal of Soil Management and Sustainable Production Year:2013 | Volume:3 | Issue:1 Page(s): 149-166

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Title

POTASSIUM MOVEMENT IN SOIL AS INFLUENCED BY DIFFERENT METHODS OF IRRIGATION AND FERTILIZER APPLICATION

Author(s)

AJDARY KH. | Issue Writer Certificate

Keywords

FERTIGATIONQ2

DRIP IRRIGATIONQ2

FURROWQ2

POTASSIUM DISTRIBUTIONQ2

POTASSIUM MOVEMENTQ2

Abstract

Distribution of the fertilizer with correct method is the important step for achieving the sustainable agriculture. This study investigates the POTASSIUM MOVEMENT in soil in FERTIGATION, drip and FURROW irrigation systems with transplanting the radish crop in sandy loam soil. In this investigation a complete drip and FURROW irrigation system was designed in the Research Field of Shahrood.Applied potassium was 100 kg/ha. Fertilizer was applied by FERTIGATION method in drip FERTIGATION system. Also in drip and FURROW irrigation systems it was applied with basal application method. After field and laboratory analyses, results revealed that in case of drip FERTIGATION, potassium was confined mostly in the upper layers of the soil i.e. at 0-25 cm soil depth and lower concentration of potassium nearly equal to initial concentration was found in the lower layers of the soil i.e. at 25-40 cm soil depth. Another result of study revealed that in DRIP IRRIGATION, higher concentration of potassium was found in the middle layers of the soil i.e.20-30 cm depth and lower concentration was observed in the upper and lower layers. In FURROW irrigation, major portion of the applied potassium has moved down in the lower layers i.e. beyond 20 cm and has lead to more leaching losses. Further the drip FERTIGATION in three equal splits was the most beneficial treatment for the growth and yield (15200 kg/ha) of Radish, higher water use efficiency (7.4 kg/m3) and high potassium use efficiency (64%) in comparison with hand application of fertilizer with FURROW irrigation/drip irrigation.

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APA: Copy

AJDARY, KH.. (2013). POTASSIUM MOVEMENT IN SOIL AS INFLUENCED BY DIFFERENT METHODS OF IRRIGATION AND FERTILIZER APPLICATION. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, 3(1), 149-166. SID. https://sid.ir/paper/209848/en

Vancouver: Copy

AJDARY KH.. POTASSIUM MOVEMENT IN SOIL AS INFLUENCED BY DIFFERENT METHODS OF IRRIGATION AND FERTILIZER APPLICATION. ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION[Internet]. 2013;3(1):149-166. Available from: https://sid.ir/paper/209848/en

IEEE: Copy

KH. AJDARY, “POTASSIUM MOVEMENT IN SOIL AS INFLUENCED BY DIFFERENT METHODS OF IRRIGATION AND FERTILIZER APPLICATION,” ELECTRONIC JOURNAL OF SOIL MANAGEMENT AND SUSTAINABLE PRODUCTION, vol. 3, no. 1, pp. 149–166, 2013, [Online]. Available: https://sid.ir/paper/209848/en

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