OSU Extension Master Gardeners are taking part in a community science project to understand the the transfer dynamics of soil microbes ot humans in gardening.
Q: I'd like to mix more sand into my soil to help break up the clay. If I collect sand from an ocean beach, should I be worried about too much salt in the sand and it impacting my soil? If I were to use the beach...
This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.