In the 1940’s *Howard argued that the widespread application of chemicals and fertilizers would disrupt mycorrhizal associations, the means by which “the marriage of a fertile soil and the tree it nourishes …. is arranged’. The consequences of such a breakdown would be far reaching. [ …. ] Howard’s tone is dramatic, but eighty years on his questions cut deep. By some measures, modern industrial agriculture has been effective: crop production doubled over the second half of the twentieth century. But a single minded focus on yield has incurred steep costs. Agriculture causes widespread environmental destruction and is responsible for a quarter of global greenhouse gas emissions. Between twenty and forty percent of crops are lost each year to pests and diseases,despite colossal application of pesticide. Global agricultural yields have plateaued despite a 7oo-fold increase in fertilizer use over the second half of the twentieth century. Worldwide thirty football fields worth of topsoil are lost to erosion every minute. Yet a third of food is wasted , and demand for crops will double by 2050. It is difficult to overstate the urgency of this crisis.Merlin Sheldrake “Entangled Life” – published 2021 by The Bodley Head
*Sir Albert Howard – organic farming pioneer and author of “An Agricultural Testament” published in 1940 and still in print.
I don’t think I’ve ever seen the numbers above so succinctly organised and for that reason alone I recommend the book; but it’s also full of research on fungi, bacteria and plants and their often poorly understood relationships. If you read it and go out into the garden; take a good handful of soil and consider that it contains more microorganisms than the total cumulative population of the earth across the whole of human history.
I had a comment from an old friend today after my mention (24 hours early it seems) of a supermoon. He’s spent a lifetime on space research and is a seriously experienced astronomer as well. He said I might get into astronomy if I went on in this way. Well Chris, I reckon my handful of earth is a worthy counterbalance to mind-bogglingly complex thoughts of space. Either subject invites awe!