Nutrient Depleted Soil
Soil Problems:
Fertilizers: Farmers normally only replace the minerals that are crucial to crop growth, such as phosphorus, potassium and nitrates.
Trace Minerals: The selenium content in soils may vary by a factor of 200 in the United States. A kilogram of wheat may contain from 50mcg to 800mcg of selenium depending on where it is grown.
Chromium and zinc are also critically deficient in the soil. This problem has been under extensive study by the UDSA.
Note: Studies performed at Rutgers University by Dr. Firman E. Bear show that some carrots tested for nutrient potency were almost completely without nutrients. This reduction in nutrient potency occurred in carrots from different farms all over the United States.
Dr. William Albrecht at the University of Missouri has shown that over a 10 year period the protein content of grains in the Midwest has declined by 11 percent.
The use of nitrogenous fertilizers is causing copper deficiencies and the overuse of potash fertilizers is creating magnesium deficiencies.
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