832 SIXTY-EIGHTH CONGRESS. Sess. II. Ch. 200. 1925. st$tgg*;g’“°i°¤ "°¤\ which rust spores originate: Provided further, That $75,000 of this ’ amount shall be available for expenditure only when an egual amount shall have been appropriated, subscribed, or contribute by States, ‘ counties, or local authorities, or by individuals or organizations, for the accomplishment of such purposes; '*`°°°°°° ¥"°‘*“""°°· For the investigation and improvement of tobacco and the methods of tobacco roduction and handling, $50,220; _ ·*"° md “°¥’°· For the breeding and physiological study of alkali—resistant and drought-resistant crops, $22,483; _ _ ga§,?;{ Plm **1******* For sugar-plant investigigons, includjngcgtudies of diseases and the improvement of sugar ts and sugar- t seed, $140,695; °”“*°€ ’““"‘· °°°· For investigation, improvement, and utilization of wild plants and grazing lands, and for determining the distribution of weeds and means of their control, $33,100; Dry umd. ow., crop For the investi tion and improvement of methods of crop pro- '”°°°°"°°` duction under subdiiunid, semiarid, or dry-land conditions, $199,330: f,`&,°f,’,’:g_ {’;3»vided,Sglpit the liipitatipglis in this Alpt gs tipuphg costhof galpm - din a not app to is paragrap : ro e urt er at limrigiirwmsmbuum no partigif this appropriation shall be used in the fre; distribution or propagation for free distribution of cuttings, seedlings, or trees of willow, box elder, ash, caragana, or other common varieties of fruit, ornamental, or shelter-belt trees in the Northern Great Plains area except for experimental or demonstration purposes in the States of North and South Dakota west of the one hundredth meridian, _ and in Montana and W oming east of the five thousand·foot con- N° ml" f‘°l°‘°“°°“" tour line: Provided furtlier, That no part of this appropriation shall be used for the establishment of any new field station; cuggfgéhgggmm ¤¢· For investigations in connection with western irrigation agriculture, ` the utilization of lands reclaimed under the Reclamation Act, and other areas in the arid and semiarid regions, $108,27 5; gem? ¤¤;¤;r _ For the investigation, improvement, encouragement, and determi- .mnQ‘}I,"g?§&¤. "°’"”" nation of the adaptability to different soils and climatic conditions of pecans, almonds, Persian walnuts, black walnuts hickory nuts butternuts, chestnuts, filberts, and other nuts, and for methods of growing, harvesting, packing, shipping, storing, and utilizing the _ same, $27 ,300; _ _ gfzfgug hmmag For the investigation and imlprovement of fruits, and the methods mnmmzkzc. ’ of fruit growing, harvesting, andling, and studies of the physiological and related changes of fruits and vegetables during the processes of marketing and while in commercial storage, $154,825; djjgggggglggj To cultivate and care for the gardens and grounds of the De- ' partment of Agriculture in the city of Washington, including the upkeep and lighting of the grounds and the construction, 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 Hmimmml invw the city of Washington, $15,000; . cream. For horticulture. investigations, including the study of producin and harvesting truck and related crops, including potatoes, and M,m,,,,, Q, vcgg studies of the physiological and related changesof vegetables while ¤¤¤1e¤.¤¤<=· in the processes of marketing and in commercial storage, and the stud; of landscape and vegetable gardening, floriculture, and re- Nmspim. lm Svbime $88548; . . (,0,,,,,,,,;, ,,,,S,,_ For investigiiting. m cooperation with States or privately owned gg;-gg Ogfmfggeryjg nurseries, met ods of propagating fruit trees, ornamental and other ungmze. ’ plants, the study of stocks used in propagating such plants and methods of growing stocks, for the purpose of providing American M_ _ sources of stocks, cuttings, or other propagating materials, $20,164; m,,,,{§gJ,‘,Z§;_ ,,,f‘*’°“‘ For continuing the necessary improvements to establish and maintain a general experiment farm and agricultural station on the •