. The cereals in America. 90 THE CEREALS IN AMERICA. preferably both, not only to eliminate all small and unde- veloped grains, but to remove weed seeds and diseased grains, if any. If seed comes from plants that have been affected with stink- ing smut (149)5 the seed should be immersed in cold water and stirred, when the smut balls will rise to the sur- face and can be skimmed off. The seed should then be sprinkled or immersed thirty minutes in a solution of formalin mixed at the rate of fifty gallons of water to one pound of formalin (forty per cent solution of formaldehyde). Blue stone solu
. The cereals in America. 90 THE CEREALS IN AMERICA. preferably both, not only to eliminate all small and unde- veloped grains, but to remove weed seeds and diseased grains, if any. If seed comes from plants that have been affected with stink- ing smut (149)5 the seed should be immersed in cold water and stirred, when the smut balls will rise to the sur- face and can be skimmed off. The seed should then be sprinkled or immersed thirty minutes in a solution of formalin mixed at the rate of fifty gallons of water to one pound of formalin (forty per cent solution of formaldehyde). Blue stone solution or hot water may be used in place of the formalin. (149) In case wheat has been af- fected with the loose smut the wheat may be given the modified hot water treatment. (148) It is necessary in such case to use one-half more seed to replace seed injured by treatment. Since loose smut is usually not very destructive, it will probably be rarely advisable to resort to treatment of seed for loose smut. 135. Wheat Seeding Machinery.—For broadcasting small areas, the hand grass seeder will do satisfactory work when it is not too windy. The usual horse broadcast seeder is not unlike the wheat drill, except the wheat is scattered directly from the hopper onto the surface of the ground instead of being conveyed by means of hoes underground. Standard widths are eighty seed wheat grader suitable for use by wheat growers. Wheat is sorted according to size of grains and not according to specific gravity. The screen is a cylinder of perforated sheet metal, actuated by the crank E. A brush, AA, an innportant feature, is held against the screen by the springs, BB. Meshes ranging from two to three millimeters may be used ; where only one size is supplied, millimeters (one-tenth inch) should be used for American wheat. (After Cobb.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of
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