|
Other links at Soil and Additives |
| 1. |
Improving Soil
|
|
|
Oregon horticulturalist offers information on soil components, pH, testing methods, and nutrients, and means of improving it by using amendments and improving drainage and aeration.
|
| 5. |
The Schundler Company
|
|
|
Collection of articles and resources about the horticultural uses of perlite and vermiculite.
|
|
|