aeration

Hello everyone, I need some advice about what could be going on with my pine. I am keeping it outside in mostly full sun, possibly overwatering a little just to make sure it doesn't dry out. Its starting to lose its bright green color and the needles are turning brown in segments, I suspect a...

Here is the second resource developed from the thread "Introductory Soil Physics". It is a document explaining how the important physical properties in soil and substrates combine to control the amount of air and water in the pore space of soils. It discusses what a drainage layer does and how...