Annual Soil Analyses Help Maintain Fertility of Tree Nurseries in Wisconsin
Production of tree nursery stock can probably benefit more from systematic soil analyses than can any other plant culture, particularly where stock is raised on coarse sandy soils in permanent forest nurseries. Analyses of such soils provide information of practical as well as theoretical value. Forest nurseries are large unique experimental areas of many millions of test plants raised under rigorously controlled conditions. Irrigation, high biological activity, enormous density of seedlings, and harvest of both tops and roots of plants all inflict a heavy drainage of nutrients from nursery soils, exceeding by far that caused by farm crops. With their low exchange capacity, sandy nursery soils resemble hydroponic cultures; they require both careful attention to the dynamics of nutrient salts and regulated additions of fertilizers.
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Author(s): S. A. Wilde, Kenneth F. Derr, W. E. Patzer
Publication: Tree Planters' Notes - Volume 18, Number 3 (1967)
Volume: 18
Number: 3