Here are some techniques that you can use in organic farming to provide the nutrients you need for optimum growth:
1. Green Manure
A green manure is a cover crop grown to add nutrients and organic matter to the soil. These can include cowpeas, soybeans, annual sweet clover, vetch, sesbania, and others.
2. Intercropping (pest control)
Intercropping is when you grow two or more crops the same field close together.
4. Mineral powders
5. Crop Rotation