Mar 23, 2013 3:50 PM GMT
camfer saidGates has it completely backwards.
Grasslands evolved with huge herds of herbivores eating everything in sight, pissing and pooping and trampling the plant residues into the soils, creating the richest soils in world. The herds never stayed in one place too long because they were pursued by predators. The grasses send carbon 12 meters down into the soil, creating humus, a stable substance full of carbon. Humus holds moisture and fertility. It reverses desertification.
Desertification happens by removing the huge herds that cause the disturbance and fertilization that the grasslands required. Conventional agriculture of plowing, planting soybeans, using fossil-fuel-based chemical fertilizers degrades the soils.
Feed lot animals of course produce literally tons of greenhouse gasses. It's not the cows, it's how we manage them. Making fake meat from soy is not the answer. The answer is in increasing herd density, and doing rotational grazing to not just allow the land to recover, but to ever improve the soil.