56 STAT.] 77TH CONG. , 2 D SESS.-CH. 516-JULY 22, 1942 ' 677 State experiment stations, and practical farmers; for the erection of Farm buidin. necessary farm buildings: Provided, That the cost of any building oition. erected, except head houses connecting greenhouses, shall not exceed $2,500; and for the employment of persons and means in the city of Washington and elsewhere required for the investigations, experi- ments, 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, $213,710. Arlington Farm: For continuing the maintenance of a general Arlngton Farm. experiment farm and agricultural station on the Arlington estate, in the State of Virginia and in the vicinity of Beltsville, Maryland, in accordance with the provisions of the Act of Congress approved April 18, 1900 (31 Stat. 135, 136), as amended by the Act of October 9, 1940 (54 Stat. 1030-1057), $51,109. 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, for the investigation of the cultivation and breeding of flax for seed purposes, including a study of flax diseases, for the investigation and improvement of broomcorn and methods of broomcorn production, and for determining the dis- tribution of weeds and means for their control, $579,895, of which $25,000 shall be available for investigations concerning the control and eradication of whitetop, bindweed, and other noxious weeds. 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, cotton soil-fertility, and the control of diseases, $448,355, 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, oils, and related products and byproducts, $65,890. Dry-land agriculture: For the investigation and improvement of methods of crop production under subhumid, semiarid, or dry-land conditions, $230,788: Provided, That no part of this appropriation Provo. shall be used for the establishment of any new field station. Forage crops and diseases: For the investigation and improvement of forage crops, including grasses, alfalfas, clovers, soybeans, les- pedezas, vetches, cowpeas, field peas, and miscellaneous legumes; for the investigation of green-manure crops and cover crops; for investi- gations looking to the improvement of pastures; and for the investi- gation of forage-crop diseases and methods of control, $358,500. Forest pathology: For the investigation of diseases of forest and shade trees and forest products, including a study of the nature and habits of the parasitic fungi, bacteria, viruses, and other causes of such diseases, for the purpose of developing methods of control and eradication and determining their application, $258,460. Fruit and vegetable crops and diseases: For investigation and control of diseases, for improvement of methods of culture, propa- gration, breeding, selection, and related activities concerned with the production of fruits, nuts, vegetables, ornamentals, and related plants, for investigation of methods of harvesting, packing, shipping, storing and utilizing these products, and for studies of the physio- logical and related changes of such products during processes of marketing and while in commercial storage, $1,444,439. Irrigation agriculture: For investigations of crop production on irrigable lands, the quality of irrigation water and its use by crops, and methods for improving and maintaining the productivity of irrigated soils, $142,220.
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