Some universities, such as the University of Maine Extension Office and the University of Oklahoma, also offer free soil-collection kits. The Virginia Cooperative Extension provides free soil-sampling kits at its local offices, and the King Conservation District in Renton, Washington, offers free kits and tests to residents within its service area.
The King Conservation District provides free basic soil tests for owned or rented land to residents of Renton, Washington. The district tests cover farms, commercial lands, yards, parks and pastures. The official site of King Conservation District provides guidelines on taking soil samples. The soil information sheet and submission form are also available for download.
The Virginia Cooperative Extension provides free sample boxes and sample information sheets at its local offices. The Virginia Tech Soil Testing Lab determines the soil's pH and measures for and recommends improvements of certain nutrients. The lab charges a fee for testing, and additional fees may apply if the resident wants to conduct more soil tests.
Some universities offer and send soil-sampling kits to interested individuals. Both the University of Oklahoma and the University of Maine Extension Office send free kits for return to the lab for further testing. While the sampling kits are free, the requester shoulders the shipping cost as well as the laboratory cost.