Why should the percentage of allowed weed or other crop seed be under 2 percent? O These other plants will compete with the desired plant for attention, rain, and desiccants.
O These other plants will compete with the desired plant for light, space, and nutrients.
O These other plants will compete with the desired plant for shelf space, threshing, and roguing.
O These other plants will compete with the desired plant for soil, worms, and warmth.