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Akuasense A free calculator of a soil's total and readily available water (TAW and RAW), horizon by horizon, with instructions for use, guidance on reading the result and every reference value it uses.
Blog
Akuasense articles on soil moisture measurement, irrigation and agronomy, with their calculation tools.
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A free irrigation system capacity calculator, in mm of water per day: flow rate of the pump, emitters or sprinklers, hours and days of irrigation, application efficiency, and a comparison with peak ETc. Conversion of a depth into an irrigation time, and hose reel settings. Method, reference values and sources.
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In a heatwave, the soil's available water falls as soon as irrigation no longer covers crop evapotranspiration. What research shows about refilling it before summer, with an available water calculator and three simulators.
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Overview of how Akuasense capacitive probes at 100+ MHz measure soil dielectric permittivity to derive volumetric water content, and how the CRIM model applies to sandy soils.
