Natural products such as these generally do not have high N-P-K numbers, but offer a wealth of readily available nutrients to plants in a living soil.
Learn sustainable practices for building and maintaining healthy soil. High quality soil requires diverse soil life and microbes, soil organic matter, humus and the right balance of minerals and nutrients.
This table shows the means (mass flow, diffusion or interceptive root growth) by which nutrients are taken up through the roots.
Plant tissue testing, as done by most labs, is not as informative as water-soluble soil tests. Tissue tests only test the soluble contents of the cells.
Manures are an excellent source of nitrogen.
Structural deterioration takes place to a greater or lesser degree in almost every field, and its consequences include soil that is too silty or too compacted.
The proportion of minerals has increased in cultivated soils during our era in comparison with past eras in which consistently humid heat promoted the formation of organic soil material over huge swaths of forest for thousands of years. The ratio between the organic and mineral portions of the material has shifted, to the detriment of […]