SOIL MOISTURE DISTRIBUTION UNDER SUBSURFACE DRIP IRRIGATION SYSTEMS IN PISTACHIO GARDENS (CASE STUDY: RAFSANJAN LANDS WITH SALINE WATER)

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SAYARI N.; GHAHRAMAN N.; DAVARI K.

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Journal: AGRICULTURAL RESEARCH Year:2007 | Volume:7 | Issue:3 Page(s): 65-77

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Title

SOIL MOISTURE DISTRIBUTION UNDER SUBSURFACE DRIP IRRIGATION SYSTEMS IN PISTACHIO GARDENS (CASE STUDY: RAFSANJAN LANDS WITH SALINE WATER)

Author(s)

SAYARI N. | GHAHRAMAN N. | DAVARI K. | Issue Writer Certificate

Keywords

SUBSURFACE DRIP IRRIGATIONQ3

MOISTUREQ2

PISTACHIOQ3

VOLUME WETTINGQ2

SOLUTESQ3

Abstract

SUBSURFACE DRIP IRRIGATION is a low- pressure, low water volume irrigation systems that uses various types of drip tubes buried below the soil surface. The applied water moves by soil matrix suction, wich eliminates ponding and the negative effects of surface infiltration. The broad lateral speard of water throughout the soil profile maximizes the wetted root zone volume and minimizes water loss through percolation. To study the distribution of water level in soil in SUBSURFACE DRIP IRRIGATION system, an experiment was conducted with two installation depths (30 and 60 cm) and three sampling of depths (0-30, 30-60 and 60-90 cm), and three sampling of distances (0, 100 and 200 cm) in Mohammadabad farm with PISTACHIO trees, located around the city of Rafsanjan. The experimental design was a split plot with three replications. The experimental results indicated that the distribution of water around emmiters depends on laterals depth and soil type. Histograms of partial variation of soil MOISTURE indicated that the MOISTURE remained high below the buried laterals depth. Significant difference for MOISTURE was found under different sampling depth. High and low MOISTURE content were 12.79 and 8.45 for depths 60-90 and 0-30 cm, repectively. The depth of wetting was smaller for depth 30 cm than 60 cm. We propose depth 60 cm for buried depth for laterals, and the reasons are belived to higher maintance MOISTURE and increase water available for crop and less salt accumlation.

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APA: Copy

SAYARI, N., GHAHRAMAN, N., & DAVARI, K.. (2007). SOIL MOISTURE DISTRIBUTION UNDER SUBSURFACE DRIP IRRIGATION SYSTEMS IN PISTACHIO GARDENS (CASE STUDY: RAFSANJAN LANDS WITH SALINE WATER). AGRICULTURAL RESEARCH, 7(3), 65-77. SID. https://sid.ir/paper/84718/en

Vancouver: Copy

SAYARI N., GHAHRAMAN N., DAVARI K.. SOIL MOISTURE DISTRIBUTION UNDER SUBSURFACE DRIP IRRIGATION SYSTEMS IN PISTACHIO GARDENS (CASE STUDY: RAFSANJAN LANDS WITH SALINE WATER). AGRICULTURAL RESEARCH[Internet]. 2007;7(3):65-77. Available from: https://sid.ir/paper/84718/en

IEEE: Copy

N. SAYARI, N. GHAHRAMAN, and K. DAVARI, “SOIL MOISTURE DISTRIBUTION UNDER SUBSURFACE DRIP IRRIGATION SYSTEMS IN PISTACHIO GARDENS (CASE STUDY: RAFSANJAN LANDS WITH SALINE WATER),” AGRICULTURAL RESEARCH, vol. 7, no. 3, pp. 65–77, 2007, [Online]. Available: https://sid.ir/paper/84718/en

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