. Circular. Agriculture -- Massachusetts. applied at the time of sowing the seed by means of a suitable copper or galvanized iron tank (see fig. i) attached to a " Planet Junior " or almost any form of onion sower. At the bottom of the tank a block tin tube about a quarter of an inch in diameter is fastened, to which is attached a valve to regulate the flow of the formalin, and as the tube is flexible and at the same time more or less rigid, it can be bent in any position desired, and held securely. The tank is attached to the sower by means of strips of iron ( see fig. i) and holds
. Circular. Agriculture -- Massachusetts. applied at the time of sowing the seed by means of a suitable copper or galvanized iron tank (see fig. i) attached to a " Planet Junior " or almost any form of onion sower. At the bottom of the tank a block tin tube about a quarter of an inch in diameter is fastened, to which is attached a valve to regulate the flow of the formalin, and as the tube is flexible and at the same time more or less rigid, it can be bent in any position desired, and held securely. The tank is attached to the sower by means of strips of iron ( see fig. i) and holds one gallon. The tank is not fastened to the iron frame, but merely sets in it, which is sufficient to hold it in place, and it can be easily removed. In figure 2, the tank and tube are shown de- tached from the sower. A special fea- ture in the construction of the tank con- sists in its being so made that it will drain easily, the middle of the tank being lower than the ends. A larger tank can be used if necessary, as the weight of the formalin is not enough to affect the easy handling of the machine. The flow of the formalin solution in a tank of this shape is nearly uniform. There is little difference between the amount of the formalin flowing when the tank is full and when nearly empty. Tests have shown that about 1200 feet of drill can be treated with one gallon of formalin solution. The flow of the solution, which should be sufficient to cover the seed and wet the soil around I'lG. 2. it to a certain extent, is regulated by the valve. An attachment of this sort can be easily made by a local plumber and readily fastened to an onion sower. *. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Massachusetts Agricultural Experiment Station; Massachusetts Agricultural Experiment Station. Special circular. Amher
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