Kansas State University researchers received a $2 million award from the National Science Foundation to develop sensors that can more accurately detect nutrients, chemical compounds, soil microbiomes and greenhouse gases in soil.
Crop scientists over the years have learned a great deal about how plants grow above the ground, but much less is known about roots and their soil interactions. To rectify that, worm-like, soil-swimming robots are being deployed to sense and record soil properties, water, the soil microbiome and how roots grow, says Cornell University.
Kansas State University Extension shares some detailed directions for measuring bulk density in soils to both analyze the effects of different management practices on soil quality and quantify the differences in soil density at various depths within the soil.
While most soil health indicators demonstrated no significant differences among the treatments, cover crops grown for carbon ranked the highest for the Haney test, says University of Nebraska Extension.
In order to develop variable-rate prescriptions for crop inputs like seed and fertilizer, it is first necessary to delineate fields into regions of distinct yield potential (Butzen, et al., 2012), also known as management zones (MZ).
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