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Image 75 of Annual report. 1911

Part of Kentucky Agricultural Experiment Station

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Wheat 5f Blue Stone Treatment. _ The blue stone treatment is the most widely used in Kentucky, in some sections practically all the farmers treating their seed by this method. ` Ten pounds of blue stone are dissolved in boiling water, ‘ and enough water added to make 40 to 50 gallons of the — solution. If only a small quantity of wheat is to be treated » a smaller amount of the solution may be made, keeping the proportions the same. Either the dipping or sprinkling method may be employed, as in the case of the formalin . treatment. If dipped, the seed should remain in the solution ' . only long enough to become thoroughly wet. This will take from five to ten minutes, according to the amount of grain . in the sacks. The surplus solution should then be drained ` off into the barrel, andthe wheat spread out so it can more thoroughly drain. In sprinkling only enough solution should - be applied to thoroughly moisten the grain, and opportunity should be given for any surplus that may be used to drain off. Most of the injury from treating with blue stone is due to allowing too much of the solution to soak into the grain. ~ If the seed is to be sown at once it need not be perfectly dry, but allowance must be made for the swollen grain in sowing the desired quantity per acre. If not to be used at once, it v_ must be thoroughly dried, when it may be stored in a clean place and kept indefinitely. About a gallon of the solution I I is required to treat a bushel of grain. Some authorities advocate dipping the wheat in lime water after treatment, but if care is taken as to the strength of the blue stone ~ solution·and the grain carefully drained, this is not thought to be necessary. Hot Water Treatnzeizit. This is one of the old reliable methods of treatment and is thoroughly effective. The cost outside of the labor is -. practically nothing. However, considerable care must be observed in its application, and the method is not as rapid as ` either of the others. For this reason it is not liable ever to

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