The (CEC) is a term used to describe the holding capacity of a particular soil for positively-charged elements (cations). It may also be defined as the capacity for soil to exchange cations for another. In simple terms, the higher the clay content, the higher the CEC. This is because clay particles have the greatest surface area per unit volume of soil, therefore, can hold the most cations.
We’ve compiled here a list of tests that might interest you based on your specific search.
We’ve compiled here a list of resources that might interest you based on your specific search.
This video provides an overview of the plant tissue analysis and reporting process.READ MORE
Midwest Laboratories run the standard Bray phosphorus tests, also known as the P1 and P2 tests on soil.READ MORE
Silicon has not been defined as an essential substance; it may have been overlooked as essential since it is difficult to have a growing situation without silicon present in either soil or hydroponically. For the complete story click the download link below.READ MORE