1 View all Hidalgo County, TX jobs in Edinburg, TX - Edinburg jobs. 2  Salary Search: Adult Probation salaries in Edinburg, TX.  Related forums: Edinburg, Texas - Hidalgo County, TX.
Rainfall also affects soil pH. Water passing through the soil leaches basic nutrients such as calcium and magnesium from the soil. They are replaced by acidic elements such as aluminum and iron. For this reason, soils formed under high rainfall conditions are more acidic than those formed under arid (dry) conditions.
Most clay soils are on the alkaline side, meaning that you'll probably want to lower the pH of the soil. There are several ways to do this. The most common substances to add to clay soil are builder's sand, gypsum, composted manure, compost or other coarse organic material.wo Parts: Preparing to Amend Amending Your Soil. Clay soil is a very dense substance that can cause major drainage problems for your plants. This soil is common to many parts of the world, limiting what homeowners, gardeners and farmers can grow.