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All Thumbs Book Reviews






                              The Regenerative Growers Guide           solar energy and turn it into stored and trans-
                              to Garden Amendments:                    portable energy (sugar). Almost nothing else
                              Using Locally Sourced Materials          on earth has this ability! The plants then give
                              to Make Mineral and Biological Extracts   large amounts of this energy (sugar) to the soil
                              and Ferments                             microbiome in exchange for all sorts of things
                              By Nigel Palmer                          that soil life is able to make available in trade
                              Chelsea Green Publishing                 that are otherwise difficult or impossible for
                                                                       the plants to access—minerals, nutrients and
                                 Soil life is the foundation of our life, and  other compounds. As the plants produce more
                              soil life depends in no small part on the miner-  sugars, and the soil microbiome trades more and
                              als, nutrients and microorganisms that the soil  more things in exchange for this energy, both
                              contains. Thus it is troubling that much of the in-  become stronger—including more resistant to
                              credible amount of money that Americans spend  pests, diseases and other problems. The more we
                              each year applying amendments and fertilizers  strengthen this symbiotic soil-plant relationship,
                              to their lawns and gardens (lawn care alone is  the healthier our plants and foods will be—and
                              a thirty-billion-dollar business) is unnecessary  the healthier we will be.
                              or worse—counterproductive to supporting and   Palmer’s book balances techniques and
                              improving our soils.                     tactics that promote all aspects of soil integrity,
                                 Nigel Palmer hopes to offer an alternative  sometimes alone but more often together. Palmer
                              to the bagged soil amendments so commonly  recognizes that chemistry without biology can
              When we         used and depended on by gardeners and grow-  lead to catastrophe, while biology without chem-
                begin to      ers. The goal isn’t just to find a more sustainable  istry leads to barrenness. When done properly,
            understand        way to steward our soil but to help us adopt an  though, both can increase soil energy. Thus
                              approach that answers Palmer’s fundamental  whereas soil tests are necessary to know how to
                 all three    question: “Are these the most nutrient-dense  care for your soil, it is very important to realize

                facets of     tomatoes possible to grow?” Palmer wants food  that only a strong soil biology can make proper
            living soil—      that is not just clean and sustainable but also  use of the fertilizers and amendments that soil
                              health-promoting for the eater as well as the  testing may indicate.
                  not just    earth. And health-promoting food should not   I was glad to see Palmer address how to
              chemistry       just be free of harmful chemicals but must also  deal with excess minerals in soils. Over the
                                                                       past five years, doing consulting work for gar-
                              be nutrient-dense.
            and biology          For decades, soil was treated as little more  deners and larger-scale growers, I have found
                 but also     than a matter of chemistry. More recently soil bi-  that excess minerals are a problem far more
           energy—we          ology has gained greater attention. Yet, it is only  often than insufficient minerals! This is usually
                              when we begin to understand all three facets of  because people skipped the very important and
              can begin       living soil—not just chemistry and biology but  low-cost step of consistently testing their soils,

                  to truly    also energy—that we can begin to truly unlock  which would have saved them from applying
             unlock the       the potential of our growing spaces and care  unneeded amendments and imbalancing their
                              for them properly. This book seeks to equip the  soil’s chemistry. Just a reminder: Don’t neglect
            potential of      reader to bring all three facets into fruitful bal-  your annual soil test(s)!
            our growing       ance. To this end—and this starting place may   Fermentation is a topic that appears repeat-
                              surprise some readers—the book’s first chapter  edly in Palmer’s work. Just as fermentation of
             spaces and       begins with a long sidebar exploring soil energy.  food improves human health, fermentation is
         care for them           Palmer points out that plants and soil ex-  also a powerful (and underutilized) tool to pro-
                properly.     ist in a symbiotic relationship. Plants are able  mote soil and plant health. Palmer also mentions
                              to do the unimaginable—process incoming  and extensively recommends mulches and cover
         68                                       Wise Traditions                                    FALL 2020
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