Soil mechanics necessary to run water through the sieves to wash the coarse particles and clods through. A variety of sieve sizes are available. The boundary between sand and silt is arbitrary. According to the Unified Soil Classification System, a #4 sieve (4 openings per inch) having 4.75mm opening size separates sand from gravel and a #200 sieve with an 0.075 mm opening separates sand from silt and clay. According to the British standard, 0.063 mm is the boundary between sand and silt, and 2 mm is the boundary between sand and gravel. The classification of fine-grained soils, i.e., soils that are
Granular Inc. data for 2,500 U.S. counties across 48 states and digital national plat maps. Granular Inc. Granular Inc. is a San Francisco-based company that develops and markets farm management software. The company's software allows farmers to manage operational and financial data on a single cloud and mobile platform. As of 2016, Granular raised $25 million in venture funding and acquired the farm valuation platform AcreValue. Granular is a spinoff of the company Solum, which was founded in 2009. In 2014, Monsanto acquired half of the business, which focused on soil testing and was merged with Climate Corp. The remaining half of