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The Time Is Right for Precision Agriculture Technologies

Precision agriculture technologies have not always been economical for small- to medium-sized farm­ing operations. However, with precision agriculture equipment becoming less expensive, tools such as guidance systems, yield monitors and variable-rate fertilizer applicators may now be profitable for nearly all growers.


Plant Health: Heed Nutrient Levels at Critical Growth Stages

Nutrient testing equals quality control, according to Dr. Dave Mengel, professor of Soil Fertility and Nutrient Management at Kansas State University.


Corn and Soybean Response to Nitrogen (N) and Phosphorus (P)

Yield response of corn to nitrogen (N) and phosphorous (P) and soybean response to P has been documented to vary within and between fields. USDA and university scientists, Drs. D. Lambert, J. Lowenberg-DeBoer and G. Malzer, reported findings from a five-year study evaluating yield variability and the profitability of variable-rate application (VR) of N and P.¹


Case Study: Indiana’s Fairholme Farms

Both Kim Drackett and Randy Bales describe 1,850-acre Fairholme Farms as “a typical eastern Corn Belt operation,” but their management approach is, and long has been, anything but typical.


Soil Testing: When, Why and How

Although soil testing continues to be a best soil management practice, the way to go about it has changed. With the global positioning system (GPS), farmers can be smarter about how they conduct soil tests.