552
SEVENTIETH CONGRESS . SEss . I. CrI. 572. 1928 . hickory nuts, butternuts, chestnuts, filberts, and other nuts, and for methods of growing, harvesting, packing, shipping, storing, and utilizi ng the same, $44,040 . Pomology : For the investigation and improvement of fruits, and the methods of fruit growing, harvesting, handling, and studies of the physiological and related changes of fruits and vegetables during the processes of marketing and while in commercial storage, $245,000 . Gardens and grounds : To cultivate and care for the gardens and grounds of the Department of Agriculture in the city of Washington, including the upkeep and lighting of the grounds and the construc- tion, surfacing, and repairing of roadways and walks ; and to erect, manage, and maintain conservatories, greenhouses, and plant and fruit propagating houses on the grounds of the Department of Agriculture in the city of Washington, $89,500 . Horticulture : For horticultural investigations, including the study of producing and harvesting truck and related crops, including pota- toes, and studies of physiological and related changes of vegetables while in the processes of marketing and in commercial storage, and the study of lan dscape and ve getable garden ing, floricul ture, and related subjects, $140, 000 . Cooperative investi- Nursery plants'
Nursery stock : For investigating, in cooperation with States or gations of American
owned nurseries methods of
fruit trees orna- sources of stocks, cut- tings,
privately
prop agatin g ate.
mental and other plants, the study of stocks used in propagating such plants and methods of growing stocks, for the purpose of pro- vidin g American so urces of stock s, cuttings, or other prop agating materials, $21,800. Arlington Farm : For continuing the necessary improvements to estab lish and main tain a general experiment f arm and agric ultural station on the Arlington estate, in the State of Virginia, in accordance. with the provisions of the Act of Congress approved April 18, 1900 $57,000 : Provided, That the limitations in this Act as to the cost Gi farm buildings shall not apply to this paragraph . Foreign plant introduction : For investigations in foreign seed and plant introduction, including the study, collection, purchase, testing, propagation, and distribution of rare and valuable seeds, bulbs, trees, shrubs, vines, cuttings, and plants from foreign countries and from . our possessions, and for experiments with reference to their intro- duction and cultivation in this country, $190,000 . Forage crops : For the purchase, propagation, testing, and dis- tribution of new and rare seeds ; for the investigation and improveme nt of grasses, alfalfa, clo ver, and othe r forage crops ,, including the investiga tion of the u tilization of cacti and oth er dry-land plants, $165,000. Biophysical la boratory : For bi oph ysi cal in ve sti gat ion s i n c on- nection with the various lines of work herein authorized, $35,812 . Total, Bureau of Plant Industry, $4,3 80,4 36, of which amount : not to exceed $1 ,488 ,400 may be expended for personal services inn the District of Columbia . Fruits. Growing, handling, marketing, etc . Ex perime ntal gar - dens and grounds, D. C. Horticultural investi- gations . Marketing of vege- tables, etc . Arlington, Va ., e x - perimental farm, etc . Maintenance . Vol. 31, p . 135 . Proviso . Buildings . Foreign se ed and plant introduction . New and rare seeds, forage plants, etc . Biophysical investi- gations . Services in the Dis- trict . Forest Service . Genera l expe nses . Experi ments, etc . Restricted to United States . FOREST SERVICE SALARIES AND GENERAL EXPENSES To enable the Secretary of Agriculture to experiment and to. make and con tinue investi gations and r eport on fores try, national forests, forest fires, and lumbering, but no part of this appropria- tion shall be used for any experiment or test made outside the jurisdiction of the United States ; to advise the owners of wood- lands as to the proper care of the same ; to investigate and test American timber and tim ber trees and their uses, and methods fo r-
�
