Unified Soil Classification System group symbol. For example, GW-GM corresponds to "well-graded gravel "with silt"." If the soil has more than 15% by weight retained on a #4 sieve (R > 15%), there is a significant amount of gravel, and the suffix "with gravel" may be added to the group name, but the group symbol does not change. For example, SP-SM could refer to "poorly graded SAND with silt" or "poorly graded SAND with silt and gravel." Unified Soil Classification System The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size
Granular Inc. 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 the company was spun-off into Granular. After the split, Granular raised $4.2 million