Posts in Soil
Checking the electrical conductivity (EC) in potting media is one of the quickest and least expensive ways to evaluate fertility status.
Plants aren't able to think the way we are, but that doesn't mean they're helpless.
There are times when laboratory work is needed for media, tissue, soil and water. Here are some lab recommendations from tropical plant and soil expert Lynn Griffith.
Potting media and fertilizer are interrelated, both chemically and physically. The performance of one affects the performance of the other.
Lynn Griffith explains why high sulfates are not the cause of your pH issues.
Recently, a grower asked how to calculate how many pounds of nitrogen per cubic yard their incorporated controlled-release fertilizer would supply. Here's the math!