carthwatch thirsty world how grass-fed cows can help restore health to the water cycle "water footprint" intended to reveal how much water is required to produce different would otherwise be lost to evaporation or sluice away in gullies or slide across lifeless needs the animals in the same way that the animals need the land herbivores nibble on grass in a way that promotes plant growth relationship is essential to grassland health tilled and planted with corn and soybeans for decades," says "most of the topsoil and whatever it's been treated with has the bottom of the hill." to avoid this scenario the land needs to let the cattle do all the work-you just have to manage them have a food system in this country." the information in this article is based upon judith schwartz's book natural grocers® 43