General advice (Kentucky Station).

The farmer may mix his own fertilizers in a satisfactory manner. He should first determine how many pounds of phosphoric acid, nitrogen, and potash he wishes to use per acre, then determine how much of each of the materials used will be required to furnish the desired amounts of the ingredients. This having been done, it is easy to figure to any number of acres. It does not matter about figuring out what per cent there will be of each ingredient, the important thing being to know how many pounds of each ingredient are being applied. The foregoing points having been determined, the next step is the mixing. Prepare a tight floor of sufficient size. Put down the bulkiest material first in an even layer, following with the others in order of their bulk. See that all lumps are well broken up. Potash salts and nitrate of soda may be lumpy. Take a shovel and begin at one end of the pile and shovel the materials back, turning and mixing each shovelful as much as possible. Repeat the operation until well mixed. There is no doubt that fertilizers may be well mixed at home, but it is advised only when it can be done more cheaply and when fertilizers of the desired composition cannot be purchased.

The function of the fertilizer factory is to mix fertilizers cheaper and better than the farmer can do it himself. That the factory can do this there is no doubt. That they are not doing so, as.a rule, is evident.

In some states, the farmer decides what he wants to use on his land and submits his formula to the manufacturer, who mixes his goods for him and charges the retail price for the singles or simples used, and a reasonable profit on the actual cost of mixing.

It is gratifying that some of the largest manufacturing concerns advocate the exclusive use of high-grade fertilizers and the unit or pound basis of purchase.