INITIAL SOIL WATER CONTENT AND IRRIGATION EVENTS EFFECTS ON FURROW INFILTRATION

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NASSERI A.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: NATURAL ECOSYSTEMS OF IRAN Year:2012 | Volume:2 | Issue:3 Page(s): 61-69

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Title

INITIAL SOIL WATER CONTENT AND IRRIGATION EVENTS EFFECTS ON FURROW INFILTRATION

Author(s)

NASSERI A. | Issue Writer Certificate

Keywords

CUMULATIVE INFILTRATIONQ2

INITIAL SOIL MOISTUREQ2

IRRIGATION EVENTQ2

FURROW IRRIGATIONQ2

Abstract

Furrow infiltration plays a major role in the simulation, design, evaluation, and management of FURROW IRRIGATION. Infiltration depends on initial soil water content (ISWC) and previous soil wetting. However, the effects of these variables were not considered on furrow infiltration equations. Accordingly, the objective of present study was to investigate and quantify the variability of CUMULATIVE INFILTRATION versus opportunity time, ISWC and IRRIGATION EVENTs. The field experiments were conducted during in an experimental field located at the agricultural research station of Tabriz University, Iran. Furrow infiltration was measured by blocked furrow infiltrometers under continuous flow in the first to fifth IRRIGATION EVENTs. The results indicated that CUMULATIVE INFILTRATION increased with increase of time in the first and second IRRIGATION EVENTs, when the ISWC kept constant during IRRIGATION EVENTs. During IRRIGATION EVENTs, CUMULATIVE INFILTRATION increased with decrease of ISWC and increase of time. Average k decreased when the IRRIGATION EVENTs increased. There is not difference between k values from third to fifth IRRIGATION EVENTs. In the present study, by using a regression procedure a model was developed to relate k values from different events and soil moisture content to the first irrigation with moisture as wilting point. This model can be used to design or management of FURROW IRRIGATION.

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APA: Copy

NASSERI, A.. (2012). INITIAL SOIL WATER CONTENT AND IRRIGATION EVENTS EFFECTS ON FURROW INFILTRATION. NATURAL ECOSYSTEMS OF IRAN, 2(3), 61-69. SID. https://sid.ir/paper/215203/en

Vancouver: Copy

NASSERI A.. INITIAL SOIL WATER CONTENT AND IRRIGATION EVENTS EFFECTS ON FURROW INFILTRATION. NATURAL ECOSYSTEMS OF IRAN[Internet]. 2012;2(3):61-69. Available from: https://sid.ir/paper/215203/en

IEEE: Copy

A. NASSERI, “INITIAL SOIL WATER CONTENT AND IRRIGATION EVENTS EFFECTS ON FURROW INFILTRATION,” NATURAL ECOSYSTEMS OF IRAN, vol. 2, no. 3, pp. 61–69, 2012, [Online]. Available: https://sid.ir/paper/215203/en

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