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Crop Fertility


Look for N loss because of rains

Corn is planted and the 2015 growing season is underway. As with any season, Mother Nature is already throwing many farmers a few curve balls. Large rainfall events can be a blessing, but they can cause nitrogen deficiencies in the soil, robbing corn of yield potential.


Twenty-five causes of excess soluble phosphorus in Lake Erie

The March/April 2015 Journal of Soil and Water Conservation features “What is causing the harmful algal blooms in Lake Erie?” In it, the authors document the recently suggested scientific theories about natural and agricultural sources of increasing soluble phosphorus (SP) to Lake Erie. Their list excludes urban and suburban contributions.


Planning for a pre-sidedress soil nitrate test

Studies have shown that corn producers could reduce their nitrogen (N) fertilizer rates utilizing the pre-sidedress soil nitrate test (PSNT) in the proper situations. The PSNT season is upon us – late May to early June. Some preparation work and planning are necessary to identify the proper fields and achieve the desired results.


Nitrogen loss in saturated fields

Nebraska has received 6 to more than 10 inches of rain in East Central Nebraska since April and concerns of nitrogen loss in saturated soils is becoming a reality.


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