52 STAT.] 75TH CONG. , 3D SESS.-CH. 464 --JUNE 1,138 Dairy investigations: For conducting investigations, experiments, and demonstrations in dairy industry, cooperative investigations of the dairy industry in the various States, and inspection of renovated- butter factories, including repairs to buildings, not to exceed $5,000 for the construction of buildings, $646,910. Total, Bureau of Dairy Industry, $717,405, of which amount not to exceed $343,510 may be expended for personal services in the Dis- trict of Columbia. BUREAU OF PLANT INDUSTRY SALARIES AND EXPENSES For the investigation of fruits, fruit trees, grain, cotton, tobacco, vegetables, grasses, forage, drug, medicinal, poisonous, fiber, and other plants and plant industries in cooperation with other branches of the Department, the State experiment stations, and practical farm- ers; for the erection of necessary farm buildings: Provided, That the cost of any building erected, except head houses connecting green- houses, shall not exceed $2.500 and for the employment of persons and means in the city of Washington and elsewhere required for the investigations, experiments, and demonstrations herein authorized, as follows: General administrative expenses: For necessary expenses for gen- eral administrative purposes, including the salary of chief of bureau and other personal services in the District of Columbia, $189,242. Arlington Farm: For continuing the necessary improvements to establish and maintain a general experiment farm and agricultural station on the Arlington estate, in the State of Virginia, in accord- ance with the provisions of the Act of Congress approved April 18, 1900 (31 Stat. 135, 136), $49,414. Botany: For investigation, improvement, and utilization of wild plants and grazing lands, and for determining the distribution of weeds and means of their control, $76,635, of which $40,000 shall be expended for scientific investigation concerning control and eradica- tion of whitetop, bind weed, and other noxious weeds. Cereal crops and diseases: For the investigation and improvement of cereals, including corn, and methods of cereal production and for the study and control of cereal diseases, and for the investigation of the cultivation and breeding of flax for seed purposes, including a study of flax diseases, and for the investigation and improvement of broomcorn and methods of broomcorn production, $532,371. Cotton and other fiber crops and diseases: For investigation of the production of cotton and other fiber crops, including the improve- ment by cultural methods, breeding, and selection, fiber yield and quality, and the control of diseases, $399,385, of which sum not less than $14,700 shall be used for experimenting in Sea Island cotton, including its hybridization with other varieties. Drug and related plants: For the investigation, testing, and improvement of plants yielding drugs, spices, poisons, ois, and related products and byproducts, $47,139. Dry-land agriculture: For the investigation and improvement of methods of crop production under subhumid, semiarid, or dry-land conditions, $226,828: Provided, That no part of this appropriation shall be used for the establishment of any new field station. Experimental greenhouse maintenance: For maintenance and operation of experimental greenhouses and adjacent experimental grounds and plots, $77,372. 723 Investigations, dem- onstrations, etc. Personal services, D.C. Bureau of Plant In- dustry. Salaries and ex- penses. Investigation of fruits, plants, prod- ucts, etc. Proviso. Cost limit for build- ings. Administrative ex- penses. Arlington, Va., e x - perimental farm, etc. 31 Stat. 135 . Wild plants and grazing lands. Eradication of nox- ious weeds. Cereal crops and diseases, investiga- tion, etc. Flax, broomcorn, etc. Cotton, etc. , pro- duction and diseases. Sea Island cotton. Drug, etc., plants. Dry-land agricul- ture. Proviso. New field stations forbidden. Experimental green- house maintenance.
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