SEVENTI ETH CONGRESS . SESS. I . Cu. 572 . 1928 .
557 For the investigation and development of methods of manufac- Insec ticid es a nd fu n- gicides invest igations, turing insecticides and fungicides, and for investigating chemical etc . probl ems r elati ng t o the comp osit ion, actio n, an d ap plica tion of insectic ides and fungicide s, $44,80 0 . For the investigation and development of methods for the preven- si Pla nt du st explo . tion of farm fires and of grain-dust, smut-dust, and other plant- . bietaodsforprevent- dust exp losions a nd result ing fires , includ ing fires in cotto n gins an d mg' cotton -oil m ills, indepe ndentl y or i n coope ration with indivi duals, associations, or corporations, $52,743, of which sum $10,000 shall be immediately available. Fo r the inv estig ation and demo nstra tion of i mprov ed me thods or Naval stores . Investigations, dem- processes of preparing naval stores, the weighing, handling, trans- onstrations, etc . portati on, an d the uses o f same , in c ooperat ion wi th ind ividua ls and companies, including the employment of necessary persons and means in the city of Washington and elsewhere, $15,000 . For chemical investigations of soil types, soil composition, and tion°il etc ", einv soil minerals, the soil solution, solubility of soil and all chemical gations . properties of soils in their relation to soil formation, soil texture, and soil pr oducti vity, includ ing al l rout ine che mical work i n conn ection with the soil survey, $31,720 . For physical investigations of the important properties of soil ity ofsoils, e t c oductiv- which d etermi ne pro ductiv ity, s uch as moistu re rel ations , aera tions, heat co nducti vity, textur e, and other physic al inv estiga tions of the various soil classes and soil types, $17,225 . For investigations within the United States of fertilizers and other Fertilizers. soil amendments and their suitability for agricultural use, $290,000 . For the investigation of soils, in cooperation with other branches mapepingrative soil of the Department of Agriculture, other departments of the Govern- ment, State agricultural experiment stations, and other State institu- tions, and for indicating upon maps and plats, by coloring or other- wise, the results of such i nvestigat ions, $25 3,000 .
Soil bacteriology in- For soil-bacteriology investigations, including the testing of sam- ves tigations . ples procured in the open market, of cultures for inoculating legumes, and if any such samples are found to be impure, nonviable, or mix- Publishing tests of: branded, the results of the tests may be published, together with the cultures . names of the manufacturers and of the persons by whom the cultures were offered for sale, $40,840 .
Soil fertility. For soil-fertility investigations into organic causes of infertility and remedial measures, maintenance of productivity, properties and composition of soil humus, and the transformation and formation of soil humus by soil organisms, $126,850, of which $7,000 shall be immediately available . Total , Bure au of Chemis try an d Soil s, $1,2 93,613 , of w hich a mount tr ci"ice in the Dis . not to exceed $966,000 may be expended for personal services in the District of Columbia . BUREAU OF ENTOMOLOGY SALARIES AND GENERAL EXPENSES For ne cessar y expe nses c onnect ed wit h the i nvesti gation s, exp eri- ments, and demonstrations in reference to the items hereinafter enumerated for the promotion of economic entomology, independently or in co oper ation with oth er br anche s of the Feder al Go vern ment, States, counties, and municipalities, organizations and individuals concerned, including the employment of necessary persons and means in the city of Washington and elsewhere, rent outside of the District of Columbia, and not to exceed $3,000 for the erection of insectaries Entomology Bureau . General expenses . Inv esti gatio ns o f in- socts, etc . Outside rent:
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