Potash Pays (Classic Reprint): Practical Suggestions to Farmers Showing How to Use Fertilizers With Profit: Practical Suggestions to Farmers Showing ... Use Fertilizers with Profit (Classic Reprint) - Softcover

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Excerpt from Potash Pays

While certain tests with certain soils in California have shown that they contained considerable potash, yet the important question is: How much of this potash is avail able as plant food? Or, the question may be asked: Is this potash naturally in the soil in a soluble condition? If the potash is in an insoluble condition it is useless to plant growth, and potash fertilizers must be used in order to obtain proper yields. The mere statement that a chemical analysis shows considerable potash in a soil is not sufficient; for by present chemical methods it is impossible to determine the quantity of plant food which is available to the different plants growing on the soil.

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