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Agriculture, too, will have to see a revival in planning if we are to address the triple crisis of soil erosion, extreme weather, and dependence on fossil fuel inputs. Wes Jackson, the visionary founder of the Land Institute in Salina, Kansas, has been calling for “a fifty-year farm bill.” That’s the length of time he and his collaborators Wendell Berry and Fred Kirschenmann estimate it will take to conduct the research and develop the infrastructure to replace many soil-depleting annual grain crops (grown in monocultures) with perennial crops (grown in polycultures). Because perennials don’t need to be replanted every year, their long roots do a much better job of storing scarce water, holding soil in place and sequestering carbon. Polycultures are also less vulnerable to pests and to being wiped out by the extreme weather that is already locked in. Another bonus: this type of farming is much more labor intensive than industrial agriculture, which means that farming can once again be a substantial source of employment in long neglected rural communities.
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