three-sister planting n.— «Imitating a traditional Iroquois practice called “three-sister planting,” the farm plants corn, beans and squash together. The beans fix nitrogen into the soil that corn depletes while the corn’s stalk enables...
three-sister planting n.— «Imitating a traditional Iroquois practice called “three-sister planting,” the farm plants corn, beans and squash together. The beans fix nitrogen into the soil that corn depletes while the corn’s stalk enables...