Two Videos Demonstrate How Grazing Management Affects Soil Health

From August of 2013, here's a good look at the difference between continuous and rotational grazing on soil's ability to absorb water. This video by the Natural Resources Conservation Service in South Dakota does a great job of demonstrating that how we manage our livestock on pasture determines how sustainable we'll be as farmers and ranchers.  In an across-the-fence comparison using a simple water infiltration test, Jim Zimprich and Stan Boltz show the difference between a well managed, rotationally grazed pasture, and a pasture with a long history of season-long grazing. In this part of the world, it has been said that 150 - 200 pounds of production per acre is lost for every inch of water that isn't absorbed.  On a well-managed grassland, a spade full of soil reveals good granular structure which provides places for the water to seep into the soil.  Good granularity also means grasslands with higher diversity and better overall palatability, and that maintain a higher plane of nutrition for a longer period in the growing season.  Overgrazing on the other hand, either by overstocking or by grazing for too long a period, leads to compacted soil with horizontal layers that prevent water absorption. In their demonstr

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