Among the three sisters, which crop is the legume?

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Multiple Choice

Among the three sisters, which crop is the legume?

Explanation:
Beans are the legume. In the three sisters planting system, maize provides a tall stalk and energy-rich grain, squash covers the ground to retain moisture and suppress weeds, and beans play the legume role by fixing nitrogen in the soil through root nodules that house symbiotic bacteria. This nitrogen enriches the soil, benefiting all three crops, especially the maize. Beans belong to the legume family, which is defined by pod-bearing seeds and the ability to fix atmospheric nitrogen, a key reason they’re the legume among these three crops.

Beans are the legume. In the three sisters planting system, maize provides a tall stalk and energy-rich grain, squash covers the ground to retain moisture and suppress weeds, and beans play the legume role by fixing nitrogen in the soil through root nodules that house symbiotic bacteria. This nitrogen enriches the soil, benefiting all three crops, especially the maize. Beans belong to the legume family, which is defined by pod-bearing seeds and the ability to fix atmospheric nitrogen, a key reason they’re the legume among these three crops.

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