Alunite And Kelp As Potash Fertilizers
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It was applied to soil in amounts sufficient to add 25, 50, 100, 200, and 500 pounds of potash (K 2 O) per acre. This experiment was carried on at the same time as the experiments with alunite, and the fertilizing action of the two substances was compared with potassium sulphate and potassium chloride.
CULTURAL METHOD.
The effect of these potash fertilizers in soils was tested by growing wheat plants in the treated soil in paraffined wire pots. The wire- pot method for testing the efficiency of... fertilizers and the fertilizer requirement of so ; ls is described fully in Circular No. 18 of th : s bureau. The soil was we : ghed into pans, 3 pounds to each pan. The soil in one pan received no fertilizer and was used as a control. To each of the other pans the fertilizer to be tested was added. To the different pans of soil we*3 added raw alunite, ignited alunite, kelp, potassium sulphate, and potassium chloride, each in quantities of 25, 50, 100, 200, and 500 pounds of KjO per acre, based on an acre half-foot of soil weighing 2, 000, 000 pounds.
What to read after Alunite And Kelp As Potash Fertilizers?
You can find similar books in the "Read Also" column, or choose other free books by J J Joshua John Skinner to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It was applied to soil in amounts sufficient to add 25, 50, 100, 200, and 500 pounds of potash (K 2 O) per acre. This experiment was carried on at the same time as the experiments with alunite, and the fertilizing action of the two substances was compared with potassium sulphate and potassium chloride.
CULTURAL METHOD.
The effect of these potash fertilizers in soils was tested by growing wheat plants in the treated soil in paraffined wire pots. The wire- pot method for testing the efficiency of... fertilizers and the fertilizer requirement of so ; ls is described fully in Circular No. 18 of th : s bureau. The soil was we : ghed into pans, 3 pounds to each pan. The soil in one pan received no fertilizer and was used as a control. To each of the other pans the fertilizer to be tested was added. To the different pans of soil we*3 added raw alunite, ignited alunite, kelp, potassium sulphate, and potassium chloride, each in quantities of 25, 50, 100, 200, and 500 pounds of KjO per acre, based on an acre half-foot of soil weighing 2, 000, 000 pounds.
What to read after Alunite And Kelp As Potash Fertilizers?
You can find similar books in the "Read Also" column, or choose other free books by J J Joshua John Skinner to read onlineMoreLess
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