Crop Nutrient Removals vs. Fertilizer Additions in North Dakota
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Date
1986
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Publisher
North Dakota State University
Abstract
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The article concerns both the attrition of soil nutrients and the replacement thereof. Soils inherently contain only a finite quantity of nutrients. When more nutrients are removed than are being replaced, soil eventually becomes depleted. Data from a study in this paper indicated that in North Dakota, plant nutrients are not being replaced in quantities large enough to replace all of the nutrients being removed by crops.