The more plants you include in your crop rotation chart, the higher your chances are of getting a great harvest.
Example: cotton 一 rice 一 corn
A complex crop rotation chart improves the soil's chemical makeup. Here's how it works:
- Nutrient depletion in the soil varies by plant.
- The depth of the root system varies in different plants, so it means that they can get nutrients from different soil layers.
- Plant residue forms a new layer of humus. The more diverse it is, the better the chemical makeup of the humus will be.
Furthermore, a complex crop rotation sequence is a reliable preventive measure to fight the pests.
Let's say you choose to plant corn year after year. Over time, pests will develop resistance to the pest control products you use (insecticides, herbicides, etc.) If you don't plan on switching to a different pest control product, crop rotation could be a way out. For example, to fight nematodes, try planting crops that can't be hosts for them.
Another method that will help you make your crop rotation sequence more complex and effective is to establish perennials or pastures. Perennials are a natural source of valuable soil nutrients. For example, legumes enrich the soil with nitrogen. The nitrogen-fixing bacteria form a symbiotic relationship with leguminous plants and actually thrive in them. You can save a fortune on nitrogen! Moreover, thanks to their powerful root system, perennials prevent soil erosion from wind and water.
Example: corn 一 soybeans 一 corn 一 soybeans 一 alfalfa 一 alfalfa 一 alfalfa 一 alfalfa.