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HEALTHY SOIL IS THE REAL KEY TO FEEDING THE WORLD


     to feed the nearly 50 million Americans who regularly face  today runs on abundant, cheap oil for fuel and to make
     hunger. So even taken at face value, the oft-cited yield gap  fertilizer – and our supply of cheap oil will not last forev-
     between conventional and organic farming is smaller than  er. There are already enough people on the planet that we
     the amount of food we routinely throw away.               have less than a year’s supply of food for the global popu-
     Building healthy soil                                     lation on hand at any one time. This simple fact has critical
     Conventional  farming  practices  that degrade soil health   implications for society.
     undermine humanity’s ability to continue feeding everyone  So how do we speed the adoption of a more resilient ag-
     over the long run. Regenerative practices like those used  riculture? Creating demonstration farms would help, as
     on the farms and ranches I visited show that we can readily  would carrying out system-scale research to evaluate what
     improve soil fertility on both large farms in the U.S. and on  works best to adapt specific practices to general principles
     small subsistence farms in the tropics.                   in different settings. We also need to reframe our agricul-
                                                               tural policies and subsidies. It makes no sense to continue
                                                               incentivizing conventional practices that degrade soil fertil-
                                                               ity. We must begin supporting and rewarding farmers who
                                                               adopt regenerative practices.
                                                               Once we see through myths of modern agriculture, practic-
                                                               es that build soil health become the lens through which to
                                                               assess strategies for feeding us all over the long haul. Why
                                                               am I so confident that regenerative farming practices can
                                                               prove both productive and economical? The farmers I met
                                                               showed me they already are.





                                                                                By David Montgomery, Ph. D • Seattle, WA
                                                                                David R. Montgomery is a MacArthur Fellow and profes-
                                                                                sor of geomorphology at the University of Washington.

     I no longer see debates about the future of agriculture as
     simply conventional versus organic. In my view, we’ve over-                              For centuries, agricultural
     simplified the complexity of the land and underutilized the                              practices have eroded the
     ingenuity of farmers. I now see adopting farming practices                               soil that farming depends
     that build soil health as the key to a stable and resilient ag-                          on, stripping it of the organ-
                                                                                              ic matter vital to its pro-
     riculture. And the farmers I visited had cracked this code,                              ductivity. Now conventional
     adapting no-till methods, cover cropping, and complex ro-                                agriculture is threatening
     tations to their particular soil, environmental, and socio-                              disaster for the world’s
     economic conditions.                                                                     growing population. In
                                                                                              “Growing a Revolution”, ge-
     Whether they were organic or still used some fertilizers                                 ologist David R. Montgomery
     and pesticides, the farms I visited that adopted this trans-                             travels the world, meeting
     formational suite of practices all reported harvests that                                farmers at the forefront of
                                                                                              an agricultural movement
     consistently matched or exceeded those from neighboring                                  to restore soil health. From
     conventional farms after a short transition period. Another                              Kansas to Ghana, he sees
     message was as simple as it was clear: Farmers who restored                              why adopting the three
     their soil used fewer inputs to produce higher yields, which   tenets of conservation agriculture—ditching the plow, planting
                                                                 cover crops, and growing a diversity of crops—is the solution.
     translated into higher profits.                             When farmers restore fertility to the land, this helps feed the
     No matter how one looks at it, we can be certain that agri-  world, cool the planet, reduce pollution, and return profitability
     culture will soon face another revolution. For agriculture   to family farms.



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