#RMS_008

Scholars have long recognized that the agricultural practices of Indigenous peoples in North America were far more sophisticated than early European observers realized. A prime example is the intercropping system known as the "Three Sisters," widely practiced by the Iroquois and other groups. Unlike European farmers who typically segregated crops into separate fields—a practice known as monoculture that often led to rapid soil depletion—Indigenous cultivators planted maize, climbing beans, and squash together in shared mounds. This arrangement was not merely convenient but ecologically engineered. The maize stalks provided a natural trellis for the beans to climb, eliminating the need for wooden poles. In return, the beans, through their root systems, fixed nitrogen in the soil, replenishing the nutrients that maize demanded. Meanwhile, the broad leaves of the squash plant shaded the ground, retaining soil moisture and suppressing weeds. This complex, symbiotic relationship allowed for high yields without the immediate need for artificial fertilizers, effectively challenging the historical assumption that pre-colonial agriculture was rudimentary. According to the passage, how did the "Three Sisters" system differ from the agricultural methods typically used by European farmers?