Value of Swamp Lands Or How to Make Unproductive Black Soils More Valuable
Value of Swamp Lands Or How to Make Unproductive Black Soils More Valuable
New York German Kali Works
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It was, however, almost entirely deficient in available potash. It was this lack of potash, combined with poor drainage, that made these soils unproductive. The use of lime alone did not increase the yield greatly because it did not add potash. These Illinois experiments were even more elabo- rate than those in Indiana. One soil thus tested consisted of about 16 inches of black peat, then 14 inches of lighter soil, with a sub-soil of coarse sand. This soil was a failure at producing ordinary cr...ops, particularly corn While analysis showed a lack of potash it was determined to try VALUE OF SWAMP LANDS. II the other fertilizing elements also. Nitrogen was furnished in the form of dried blood, phosphoric acid in steamed bone meal, while muriate of potash at the rate of 200 pounds per acre was used for the potash. Lime was also used on all the experiment plots. The result is shown in the following table: YIELDS ] PER ACRE CORN BUSHELS STOVER POUNDS None I, OOO Lime o 800 Lime, nitrogen O I, 2OO Lime, phosphorus O 2, OOO Lime, potassium 36.
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