Why would a farmer plant a food crop in a small garden plot

Sustainable systems focus on plant diversity rather than monocultures. Repeatedly planting the same crop in the same place makes it vulnerable to a wide array of pests, exhausts the soil of nutrients, makes it more susceptible to erosion and decreases yields, requiring use of fertilizers and pesticides to address the problems. 6 In a sustainable system, crop rotation – changing what is planted in a given location from season to season – can replenish soil and prevent pests from getting established.

In the Midwest corn belt, partial crop rotations are gaining in popularity, including strip cropping: planting alternating rows of a row crop like corn or soybeans with small grains or hay to reduce erosion. 7 Other methods of preventing runoff of water and nutrients, including contour buffers and prairie strips, which use native prairie grasses to retain water, are also becoming common even in landscapes dominated by industrial-style crops.89 Using a variety of plants increases the biodiversity of the farm ecosystem, attracting pollinators like butterflies and bees, as well as birds and insects that prey on pests. 10 Pesticides instead kill the good with the bad, eliminating plants’ best natural defenses. 11

Plants that attract pests can be grown as trap crops in close proximity to the main crop, protecting it by luring away predators. Plants can benefit each other in many other ways, including by attracting beneficial insects, fixing soil nitrogen, providing shade or support, emitting growth-enhancing chemicals and more; intercropping places beneficial crops near each other. 12

Sustainable SeedsExplanation:

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