ASSESSMENT OF SOIL CONTAMINATION BY NITRATE AT DIFFERENT LEVELS OF IRRIGATION IN TOMATO CROP

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LIAGHAT A.M.; FARAHMAND A.R.

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Journal: Journal of Water Resources Engineering Year:2011 | Volume:4 | Issue:10 Page(s): 85-92

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Information Journal Paper

Title

ASSESSMENT OF SOIL CONTAMINATION BY NITRATE AT DIFFERENT LEVELS OF IRRIGATION IN TOMATO CROP

Author(s)

LIAGHAT A.M. | FARAHMAND A.R. | Issue Writer Certificate

Keywords

IRRIGATION WATERQ2

NITRATEQ2

NITROGENQ2

SOIL POLLUTION AND TOMATOQ2

Abstract

Water and NITROGEN are two of the most important factors that affect plant growth and yield. NITROGEN is also one of the important nutrients. Extra use of chemical fertilizer in recent decade, especially NITROGEN fertilizer, causes soil, water and environment NITRATE pollution. This study was carried out to investigate the effects of different water regimes (40, 60, 80, 100 and 120 percent of water requirement) and different amounts of NITROGEN (60, 120 and 180 kg/ha) as well as their interaction on NITRATE gathering in root environment of tomato (variety of Early Urbana) as an important food production in the world. The experiment was performed in research farm of agriculture faculty of Tehran University (semi-arid area) in a clay–loam soil, using a split plot design with three replications (irrigation treatments as main plots and different amount of NITROGEN as sub plots). The results obtained from statistical analysis indicated that the different treatments of irrigation and NITROGEN as well as their interactions have significant effect (in 1 percent level) on NITRATE gathering in soil. The maximum NITRATE gathering in soil obtained in 40% water regime with 180 kg/ha NITROGEN. The minimum NITRATE gathering in soil occurred in 120% water regime (complete irrigation) with 60 kg/ha NITROGEN. Also different tomato yield measurement was done. Finally, by considering our conditions of the test place and tomato variety, it is recommended to use 100% water requirement with 120kgN/ha for optimization of NITRATE gathering in soil. An important result of this study is that less NITROGEN fertilizer should be used in deficit irrigation situation.

Cites

SOIL NITRATE TRANSPORT IN SUBSURFACE DRIP IRRIGATION WITH DIFFERENT LATERAL SPACING UNDER TURFGRASS CULTURE USING MUNICIPAL WASTEWATER

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APA: Copy

LIAGHAT, A.M., & FARAHMAND, A.R.. (2011). ASSESSMENT OF SOIL CONTAMINATION BY NITRATE AT DIFFERENT LEVELS OF IRRIGATION IN TOMATO CROP. WATER ENGINEERING, 4(10), 85-92. SID. https://sid.ir/paper/169621/en

Vancouver: Copy

LIAGHAT A.M., FARAHMAND A.R.. ASSESSMENT OF SOIL CONTAMINATION BY NITRATE AT DIFFERENT LEVELS OF IRRIGATION IN TOMATO CROP. WATER ENGINEERING[Internet]. 2011;4(10):85-92. Available from: https://sid.ir/paper/169621/en

IEEE: Copy

A.M. LIAGHAT, and A.R. FARAHMAND, “ASSESSMENT OF SOIL CONTAMINATION BY NITRATE AT DIFFERENT LEVELS OF IRRIGATION IN TOMATO CROP,” WATER ENGINEERING, vol. 4, no. 10, pp. 85–92, 2011, [Online]. Available: https://sid.ir/paper/169621/en

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