• Science: Agriculture: Products and Services  (93)
• Science: Earth Sciences: Products and Services: Instruments and Supplies  (7)
• Science: Environment: Environmental Monitoring: Products for Sampling and Monitoring: Soil and Sediment  (14)

• Aquaflex - Vendor information about a sensor that measures both soil moisture and soil temperature over a large volume of soil.
• Earth Systems Solutions - Soil moisture monitoring and sampling instruments for soil science, agricultural, irrigation, and environmental applications.
• Kel Instruments Co. Inc. - Specializing in soil pH and salinity test instruments.
• Percolation and Soil Test Guides - Description on how to perform Percolation and Soil Test.
• Soilmoisture Equipment Corp. - Manufacturer of instruments to measure and extract soil moisture. Products include tensiometers; extractors, compressors and manifolds; plant water status console; salinity sensing equipment; soil permeability equipment; samplers; and related instrumentation and electronic systems.

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