Best Cover Crop For Poor Sandy Soil. Mustard is one of the best options for preventing soil erosion whereas legume crops peasbeans tend to do the best job at increasing the organic matter in soil. Cover crops with cereal root systems are the best choice for improving aggregate structure.
Cover crops such as clover have a substantial root system while improving the nitrogen in the dirt. The use of cover crops to reduce beet cyst nematode is practiced but BBRO is still evaluating this approach. Generally legumes add 50-100 lbs of nitrogen when grown until killed by frost.
They may also be grazed.
Soybean Glycine max - Soybean is one of the best economic choices for a summer legume cover crop. Cover Crops. Cover crop mixes that include legumes will fix and add nitrogen to prevented plant acres. Roots help to slow down the flow of water removing it and breaking down organic matter.