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He’s broken up his typical corn and soybean rotation with oats and medium red clover, the latter a kind of plant that can increase nitrogen levels in the soil naturally.

While crops like corn and soybeans are growing or soon after harvest, farmers can sow species such as rye or red clover that will grow through winter and into spring.

There is even research that suggests eating plant oestrogens - contained in soy and red clover - could help with symptoms, and vitamin D supplements could improve bone health.

Our favorites include red clover, scarlet clover and fava beans.

Q: We grew red clover as a cover crop this winter.