. Cotton or weevils. Boll weevil; Cotton. 12 MISC. PUBLICATION 3 5, U. S. DEPT. OF AGRICULTURE dust guns cost from $12 to $20 each, and one gun can not be used to dust more than 8 acres of cotton in any one season. It is very hard work to operate one of these little machines all day long. The 1-mule machine (fig. 7) is pulled by a mule or horse that walks between two rows of cotton. There are two nozzles sticking out behind this machine, as you can see in the picture, and the poison dust is blown through them onto two or three rows of cotton as the machine moves through the field. This machine
. Cotton or weevils. Boll weevil; Cotton. 12 MISC. PUBLICATION 3 5, U. S. DEPT. OF AGRICULTURE dust guns cost from $12 to $20 each, and one gun can not be used to dust more than 8 acres of cotton in any one season. It is very hard work to operate one of these little machines all day long. The 1-mule machine (fig. 7) is pulled by a mule or horse that walks between two rows of cotton. There are two nozzles sticking out behind this machine, as you can see in the picture, and the poison dust is blown through them onto two or three rows of cotton as the machine moves through the field. This machine costs from $75 to $125, and one machine can be used to dust as much as 60 acres of cotton each season. It will dust 15 to 20 acres in a single night. The cart machine (fig. 8) has two wheels that straddle a row of cotton and is drawn by two mules or horses. It has three nozzles and will poison from 25 to 30 acres of cotton in a single night. One. Fig. <.—Ihe 1-mule dusting, machine is pulled by a mule or horse that walks be- tween two rows of cotton. The poison dust is blown through two nozzles onto two or three rows of cotton as the machine moves through the field such machine can not be used to poison more than 100 acres of cotton through the season. Within the last few years the airplane, too, has come to be used as a dusting machine. (Fig. 9.) Of course this does not mean that any airplane can be used for this work. You have probably seen airplanes 'way up in the air and perhaps wished that you were riding in one. The low flying that is clone while dusting cotton is more dangerous than that done high up in the air. The plane has to be flown close to the ground, sometimes almost touching the cotton plants, and it can not be flown as fast as those high up in the air. Fortunately for those doing this kind of work there are specially built planes which can stay in the air while going much slower than can ordinary Please note that these images are extracted from s
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