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Jason Steele and Kathleen Woida, NRCS-USDA Geologist
Good Aggregate Stability Essential to Healthy Soil
The size of pore spaces between soil particles plays a key role in plant growth.
One of the hallmarks of healthy soil is macropores that contain
60% WATER and 40% AIR
Corn & Soybean Yield Response to Cereal Rye
Corn and soybean yield response to a cereal rye cover crop in a 4-year, on-farm trial in Iowa. Each bar represents the cover crop yield effect at 1 location in a single Year. Results are adapted from Carlson (2013).