Seven Keys to Healthy Soil |
1. Soil Atmosphere - Porous soil spacing |
2. Water (moisture) - film envelopes percolation |
3. Minerals - nutrients - soil solutions - pH |
4. Organic Material - humus and humus reserves |
5. Beneficial Micro-organisms - & soil animals |
6. Soil Enzymes - are crucial to all life |
7. Lack of Interfering substances - & actions |