Irrigation Lettuce with Buried Drip, Surface Drip, and Furrow Irrigation: Spatial Variability of Plants, Soil, and Waterby Blaine R. Hanson, Univ of California, Davis, United States,
Larry J. Schwankl, Univ of California, Davis, United States,
Kurt F. Schulback, Univ of California, Davis, United States,
Stuart G. Pettygrove, Univ of California, Davis, United States,
Abstract: Spatial variability of plant growth, soil, and water was investigated for a furrow, surface drip, and subsurface drip irrigation systems. Variability was analyzed by sampling plant weight, plant density, soil water content, soil salinity, and soil texture at 42 locations along a transect for each irrigation method. Results showed different patterns of plant growth variability for each method. However, a correlation analysis between plant weight and the other data failed to show any significant factor affecting plant weight variability.
Subject Headings: Soil water | Soil analysis | Trickle irrigation | Soil pollution | Spatial variability | Groundwater pollution | Surface irrigation | Subsurface investigation
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