When observing unexplained stunting, wilting, or death in crops. When planting into a field with a history of nematodes. In areas with prior poor performance. In fall when nematode populations should ...

Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

Five major soil insects can be found in corn fields: seed corn maggot, white grubs, wireworms, cutworms and rootworms. Corn rootworm populations have increased in continuous corn production areas of ...

The precision agriculture industry hasn’t done a great job articulating the value of site-specific soil testing, which has led to frustration from farmers, who aren’t sure how to use what they learn ...

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

In 1966, scientists at Camp Century, a now abandoned U.S. military base in the Arctic, drilled deep into the Greenland ice sheet, extracting a cylinder of ice nearly a mile long along with 12 feet of ...

Soil scientist Andrew Margenot holds a jar of soil gathered from Menard County, Illinois in 1948. The University of Illinois professor said he rediscovered the "church of soil" when searching an old ...

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