Tuesday, September 24, 2019

Soil microbes more important than once assumed

Richard Haney’s USDA soil tests mimic natural nutrient availability. | USDA ARS/Peggy Gred photo

 

There are more living organisms in one handful of healthy soil than there are humans on Earth. Their impact on soil fertility may soon change soil testing forever.

Soil testing already plays an important role in nutrient management decisions. Standard soil tests reveal levels of particular forms of macro and micro nutrients, pH, salinity and soil organic matter.

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