1200 SEVENTIETH C ONGRESS . SEss. II. CH. 227. 1929 . eration with other branches of the department, the State experi- ment stations, and practical farmers, and for the erection of neces- Proviso. sar farm bu ildi ngs : Prov ided , That the cost of any building Limi t erected shall not exceed $1,500 ; fr field and station expenes, includ Field expenses.
ing fences, drains, and other farm improvements ; for repairs in the District of Columbia and elsewhere ; for rent outside of the District Employment of in- ves tigators, etc . of Columbia ; and for the employmen t of all inve stigators, lo cal and special agents, agricultural explorers, experts, clerks, illustrators, assistants, and all labor and other necessary expenses in the city of Washington and elsewhere required for the investigations, experi- men ts, and demon strations her ein authorized as follows of fi 0ief ooBureau and For necessary expenses for general administrative purposes, includ- ing the salary of chief of bureau and other personal services in the District of Columbia, $207,000. Pl ant-d isea se su rvey , etc.
Mycology and disease survey : For mycological collections and the maintenance of a plant-disease survey $58,500 . Citrus canker.
Citrus canker eradication : For conducting such investigations Era dica tion, etc . of the nature an d means of co mmunication of the disease of citrus trees known as citrus canker, and for applying such methods of eradication or control of the disease as in the judgment of the Sec- r etary of Agr icultu re ma y be n ecessa ry, i ncludi ng the payme nt of such expenses and the empl oyment of such persons and means, in Cooperation penses
ex- the city of Washington and elsewhere, and cooperation with such . authorities of the States concerned, organizations of growers, or indi- viduals, as he may deem necessary to accomplish such purposes, contributions . etc ., $45,000, and, in the discretion of the Secretary of Agriculture, no exp enditures sha ll be made fo r these purpos es until a su m or sums at least equal t o such expend itures shall h ave been appr opriated, subscribed, or contributed by State, county, or local authorities, or by individuals or org No
anizations for the accomplishment of such pur- opay for trees, etc ., poses : Provided, That no part of the money herein appropriated destroyed.
shall be used to p ay the cost or value of tre es or other p roperty injured or destroyed. Forest pathology.
Forest pathology : For the investigation of diseases of forest Trees, shrubs, etc . and ornamental trees and shrubs, including a study of the nature and Che stnu t-tr ee ba rk habits of the parasitic fungi causing the chestnut-tree bark disease, dise ases , etc . the white-pine blister rust, and other epidemic tree diseases, for the purpose of discovering new methods of control and applying methods of er adication or control alread y discovered, $195,052, of which $10,000 shall be immediately available . White-pine blister Blister rust
e
Blister rust control : For applying g such methods of eradication rust eradication meth- ods. or control of the white-pine blister rust as in the judgment of the Secretary of Agriculture may be necessary, including the payment of such expenses and the employment of such persons and means in the city `of Washington and elsewhere, in cooperation with such authorities of the States concerned, organizations, or individuals Local contributions as he may deem necessary to accomplish such purposes, and in the required . discretion of the Secretary of Agriculture no expenditures shall be made for these purposes until a sum or sums at least equal to such expenditures shall have been appropriated, subscribed, or contributed Proviso,
by States, county or local authorities, or by individuals or organiza- desoo destroyed . for trees, etc ., tions for the accomplishment of such purposes, $454,700 : Provided, That no part of this appropriation shall be used to pay the cost or value of trees or other property injured or destroyed. Plant nutrition .
For plant-nutrition investigations $17,990 . Cotton production, etc . Cotton production and diseases : For inve stig atio n of cot ton pro- duction , including t he improvement by cultural methods, breed ing, acclimatization, adaptation, and selection, and for investigation and control of diseases, $140,500 .
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