Corn+Soybean Digest
As a Missouri farm owner Bill Buckner is using a baseline soil health test to evalute use of cover crops As president and C EO of the Noble Foundation Buckner is leading a national effort to develop soil health standards and focus research dollars where they are most needed

As a Missouri farm owner, Bill Buckner is using a baseline soil health test to evalute use of cover crops. As president and C EO of the Noble Foundation, Buckner is leading a national effort to develop soil health standards and focus research dollars where they are most needed.

Testing soil health tests

Think Different Soil health tests can be used to compare between cropping systems as well between cropping systems and nature, suggests Ray Ward, president, and Lance Gunderson, bio testing manager, Ward Labs, Kearney, Neb. Gunderson recommends comparing cropping systems with nearby native prairie or even fencerows if they have not been sprayed, plowed or otherwise managed. "We are trying to follow what Mother Nature has in place," he says. "Use the native system as a benchmark and ideal ratio for microbial community composition and healthy soils." The two experts warn against expecting dramatic changes in the short term, such as a year after switching to no-till or planting cover crops. "Look for patterns," Gunderson explains. "You want to see trends develop over three to five years."

Soil health tests are popping up around every corner, and farmer use is growing. Each has its adherents, and many offer a wealth of information to a degree unimaginable only a few years ago. A good example is Ward Labs’ phospholipid fatty acid (PLFA) test to assess microbial communities. Fungi, bacteria and protozoa each have a unique fatty acid (lipid) fingerprint, and the test reveals organism dominance as well as the viability and health of the microbial

TAGS: Conservation
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