Water content, -15 bar, is the amount of soil water retained at a tension of -15 bars, expressed as a volumetric percentage of the whole soil material. Water retained at -15 bars is significant in the determination of soil water-retention difference, which is used as the initial estimation of available water capacity for some soils. …Continue reading “Iowa Soil Water Content – 15 Bar Maps (wilting point) [gSSURGO]”
Soil water content at -1/3 bar is the amount of soil water retained at a suction tension of 1/3 bar, expressed as a volumetric percentage of the whole soil. Water retained at -1/3 bar is significant in the determination of soil water-retention difference, which is used as the initial estimation of available water capacity for …Continue reading “Iowa Soil Water Content – 1/3 Bar Maps (field capacity) [gSSURGO]”
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