Breakthrough in Soil Science: Seismology Could Hold the Key to Sustainable Farming
As I sat sipping a pint with my friend Tarje Nissen-Meyer, a geophysicist from the University of Oxford, in The Magdalen Arms pub in Oxford, we stumbled upon an idea that could revolutionize agriculture. Seismology, the study of waves passing through solid mediums, may hold the secret to understanding soil properties.
The conventional wisdom is that high-yield farming leads to major environmental harm due to the need for fertilizers, pesticides, and irrigation water. But Tarje's suggestion – applying seismology to study soil – was met with skepticism at first. "Is this not a suitable technology?" I asked. To which he replied, "Soil should be a good medium for seismology. In fact, we need to filter out the soil noise when we look at the rocks." It's possible that the "noise" could be a signal – and Tarje is determined to explore this idea further.
The problem is complex: most of our knowledge about soil comes from digging up samples or analyzing data from expensive equipment. This makes it difficult for farmers to make informed decisions about their crops. The cost of measuring soil properties can be prohibitively expensive, with some instruments costing upwards of $10,000 per unit.
However, Tarje's team has found ways to repurpose existing technology and develop more affordable solutions. They've even discovered that a geophone developed by an experimental music outfit works just as well for seismology, at a fraction of the cost. This could potentially use smartphone accelerometers, reducing costs to zero.
The first successful deployment of this technology measured the volume of a peat bog that had been studied for 50 years. The results suggested that previous measurements were off by 20%. Instead of relying on point samples, the team could now "see" the wavy line where the peat met the subsoil – a significant breakthrough in understanding soil carbon stocks.
The Earth Rover Program aims to develop this technology further, creating an open-source platform for farmers to access and share data. By building a global database of soil properties, they hope to provide instant readouts that can inform farming decisions and revolutionize soil protection. With funding from the Bezos Earth Fund and international collaborations, this initiative may hold the key to sustainable agriculture.
As Tarje says, "We're not replacing the great work of other soil scientists but developing our methods alongside theirs. We believe we can fill part of the massive knowledge gap." One day, it might help everyone arrive at that happy point: high yields with low impacts. Seismology promises to shake things up in the world of agriculture.
As I sat sipping a pint with my friend Tarje Nissen-Meyer, a geophysicist from the University of Oxford, in The Magdalen Arms pub in Oxford, we stumbled upon an idea that could revolutionize agriculture. Seismology, the study of waves passing through solid mediums, may hold the secret to understanding soil properties.
The conventional wisdom is that high-yield farming leads to major environmental harm due to the need for fertilizers, pesticides, and irrigation water. But Tarje's suggestion – applying seismology to study soil – was met with skepticism at first. "Is this not a suitable technology?" I asked. To which he replied, "Soil should be a good medium for seismology. In fact, we need to filter out the soil noise when we look at the rocks." It's possible that the "noise" could be a signal – and Tarje is determined to explore this idea further.
The problem is complex: most of our knowledge about soil comes from digging up samples or analyzing data from expensive equipment. This makes it difficult for farmers to make informed decisions about their crops. The cost of measuring soil properties can be prohibitively expensive, with some instruments costing upwards of $10,000 per unit.
However, Tarje's team has found ways to repurpose existing technology and develop more affordable solutions. They've even discovered that a geophone developed by an experimental music outfit works just as well for seismology, at a fraction of the cost. This could potentially use smartphone accelerometers, reducing costs to zero.
The first successful deployment of this technology measured the volume of a peat bog that had been studied for 50 years. The results suggested that previous measurements were off by 20%. Instead of relying on point samples, the team could now "see" the wavy line where the peat met the subsoil – a significant breakthrough in understanding soil carbon stocks.
The Earth Rover Program aims to develop this technology further, creating an open-source platform for farmers to access and share data. By building a global database of soil properties, they hope to provide instant readouts that can inform farming decisions and revolutionize soil protection. With funding from the Bezos Earth Fund and international collaborations, this initiative may hold the key to sustainable agriculture.
As Tarje says, "We're not replacing the great work of other soil scientists but developing our methods alongside theirs. We believe we can fill part of the massive knowledge gap." One day, it might help everyone arrive at that happy point: high yields with low impacts. Seismology promises to shake things up in the world of agriculture.