Thirtieth Annual Report for the Year Ended June 30, 1919
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Thirtieth Annual Report for the Year Ended June 30, 1919 Item Type text; Report Authors University of Arizona. Agricultural Experiment Station. Publisher College of Agriculture, University of Arizona (Tucson, AZ) Rights Public Domain: This material has been identified as being free of known restrictions under U.S. copyright law, including all related and neighboring rights. Download date 08/10/2021 12:04:10 Item License http://creativecommons.org/publicdomain/mark/1.0/ Link to Item http://hdl.handle.net/10150/196596 University of Arizona College of Agriculture Agricultural Experiment Station Thirtieth Annual Report For the Year Ended June 30, 1919 (With subsequent Items) Consisting of reports relating to Administration Agricultiiral Chemistry, Agronomy, Animal Husbandry, Botany, Dairy Husbandry, Entomology, Horticulture, Irrigation Investigations, Plant Breeding, Poultry Husbandry Tucson, Arizona, December 31, 1919 REGENTS OF THE UNIVERSITY Ex-Officio His EXCELLENCY, THE GOVERNOR OF ARIZONA THE STATE SUPERINTENDENT OF PUBLIC INSTRUCTION Appointed by the Governor of the State EPES RANDOLPH President of the Board and Chancellor WILLIAM SCARLETT, A.B., B.D Regent JOHN H. CAMPBELL, LL.M Regent TIMOTHY A. RIORDAN Regent JAMES G. COMPTON Secretary WILLIAM JENNINGS BRYAN, JR., A.B Treasurer EDMUND W. WELLS • Regent Louis D. RICKETTS, SC.D., LL.D Regent AGRICULTURAL EXPERIMENT STATION STAFF *RUFUS B. VON KLEINSMID, A.M., SC.D. ... President of the University, Director **D. W. WORKING, B.SC, A.M Dean College of Agriculture, Director fROBERT H. FORBES, M.S., Ph.D Research Specialist JOHN J. THORNBER, A.M Botanist ALBERT. E. VINSON, Ph.D Chemist CLIFFORD N. CATLIN,* A.M Associate Chemist fHowARD W. ESTILL, M.S Assistant Chemist GEORGE E. P. SMITH, B.S., C.E Irrigation Engineer W. E. CODE, B.S .Assistant Irrigation Engineer H. C. SCHWALEN, B.S Assistant Irrigation Engineer IGEORGE F. FREEMAN, SC.D Plant Breeder JC OMER BOND, B.S.A Assistant Plant Breeder WALKER E. BRYAN, M.S Assistant Plant Breeder RICHARD H. WILLIAMS, Ph.D ..., Animal Husbandman CHARLES T. VORHIES, Ph.D Entomologist ^AUSTIN W. MORRILL, Ph.D Consulting Entomologist JD, C. GEORGE Consulting Plant Pathologist WALTER S- CUNNINGHAM, B.S Dairy Husbandman FRANKLIN J. CRIDER, M.S , Horticulturist A. F. KINNISON, B.S.A,. Assistant Horticulturist GEORGE E. THOMPSON, B.S.A Agronomist R, S. HAWKINS, B.S.A , Assistant Agronomist FRANCIS R. KENNEY, B.S.A , Poultry Husbandman ETHEL STOKES , Secretary Agricultural Experiment Station •Until February 28, 1919. **After March 1,1919. fOn leave. ^Resigned, LETTERS OF TRANSMITTAL To His Excellency, Thomas B. Campbell, Governor of Arizona, Phoenix, Arizona, SIR : I have the honor to transmit to you herewith the Thirtieth Annual Report of the Agricultural Experiment Station of the Univer- sity of Arizona College of Agriculture for the fiscal year ended June 30, 1919, with subsequent items. This report is made in accordance with Act of Congress, approved March 2, 1887, establishing agricultural experiment stations, Act of Congress, approved March 16, 1906, known as the Adams Act, and Article 4483, Title 42, Revised Statutes of Arizona, 1913. Respectfully yours, EPES RANDOLPH, Chancellor and President of the Board of Regents. Honorable Bpes Randolph, Chancellor and President of the Board of Regents, University of Arizona, Tucson, Arizona. SIR: I beg to submit herewith my report as President of the University of Arizona covering the work of the Agricultural Experi- ment Station of the College of Agriculture for the fiscal year ended June 30, 1919. Faithfully yours, R. B. VON KLEINSMID, President* President R. B. von KleinSmid, University of Arizona, Tucson, Arizona. DEAR SIR: Herewith I submit the Thirtieth Annual Report of the Agricultural Experiment Station of the University of Arizona College of Agriculture for the fiscal year ended June 30, 1919, with subsequent item'?. % D. W- WORKING, Dean and Director. CONTENTS PAGE Administration 397 College organization 397 The Experiment Station 397 The Extension Service 398 Personnel 398 Publications 399 Projects .'. 399 Finances 401 Kgricrltural Chemisty 404 Adams Fund work 404 Sampling field soils .405 Reclamation of alkali 406 Cotton tolerance to alkali in field 408 Tempe Drainage Ditch 409 The Salton Sea 412 Agronomy 415 Studies at Prescott Dry-farm 415 Studies at Sulphur Spring Valley Dry-farm 416 Le' vmes and their culture. 417 Cultivation of Indian corn and the sorghums 418 Cultivation and management of Egyptian cotton 418 Cultivation of winfer and spring grains 419 Effect of dynamiting sub-soil on field crops 419 Tests of grain and forage crop, grasses, and miscellaneous 419 Field studies with legumes • 420 Cooperative crop experiments 420 Animal Husbandry .421 Ran e conditions during year * 421 Investigations 422 T,ambin'r ewes on feed , 422 Cattle feeding .;•••; 423 T wo methods of raising gilts %.. •,424 Fpttenin^ hogs on garbage vs rolled barley. 424 Marketing hogs dressed vs. selling them alive ,--.. 425 Instruction and executive work ... .425 Needs . .426 Botany 427 Wr r1- on poison plants 428 Not**'* f n plant introduction work 430 St* H:es of « rasses and grass-like plants 431 Dairy Husbandry .433 Dair fredin^ experiment 433 "Miens 434 Cows 434 plnn of feeding , 434 "Hi-ration of test , 435 Si'mmsrv of milk and fat produced. .435 Cost of production and profit over feed cost 435 Ento~n • , 437 Hortir 'fre 439 , # 439 „ !!!!! 1!'.'..!!!! [439 Htrus ,. , *, 440 New fruits , ,...........* ,441 CONTENTS PAGE Olericulture - 4^, Irish potato , .442 Sweet potato 443 Spinach 444 Tomato 444 Ornamental gardening 445 Miscellaneous « 445 Irrigation Investigations 447 Casa Grande Valley 447 San Simon Valley 451 State water code 451 Cement pipe 452 Durability of cement pipe .452 Use and waste of irrigation water 453 Continental rubber plantation 453 Water supply for Yuma Mesa Experiment Station 454 Water tank and tower , 455 Plant Breeding. 456 Alfalfa 456 Beans .....457 Wheat ,... 458 Poultry Husbandry 463 ILLUSTRATIONS Fig. 1. Honey Drip sorghum—University Farm, Tucson Frontispiece Fig. 2. Green manuring with Canada field peas—Prescott Dry-farm ... ,417 Fig. 3. Wisconsin barley and Abruzzi rye—State Experiment Station, Mesa. .420 Fig. 4. Water table fluctuations in Casa Grande Valley over a period of i five years • - — -449 Thirtieth Annual Report ADMINISTRATION D. W. WORKING This report covers a period of shift and of adaptation to new conditions At the beginning of the fiscal \ear the Great War was at its greatest intensity and every man and woman connected with agriculture was working under a serious strain The farmers of Arizona had undertaken to produce more than in any previous year. They were working out a plan that had been adopted at a conference called by Dean R. H. Forbes and held at the University of Arizona on April 20 and 21, 1917. This conference resulted in a production program which led to increased output of farm and garden crops and had the added advantage of bringing the College of Agriculture and its workers into closer and more sympathetic and helpful relations with the people on the farms. The latter achievement is one that needs to be frankly recognized and more fully appreciated. COLLEGE ORGANIZATION The College of Agriculture of the University of Arizona is a teaching organization with its special group of teachers of technical agricultural subjects In addition to its teachings on the Univer- sity campus:, and an increasing amount of instruction by corre- spondence, the College has two special kinds of work of outstanding importance. As an investigating agency, it 'functions through its Agricultural Experiment Station, as an extension agency it works through its Agricultural Extension Service THE EXPERIMENT STATION The Agricultural Experiment Station exists to study the more fundamental scientific problems that underlie agricultural practice, as well as to make such experiments as will enable it to answer with sure confidence the questions arising in connection with the growing of the common crops of the State and the breeding, feed- and uprogfemett of livestock. 398 THIRTIETH ANNUAL REPORT In order to do its work as it should, the Station needs to have a strong and relatively permanent staff of trained investigators. The State cannot afford to adopt or to tolerate a policy that will result in the doing of slovenly work and the publication of bulletins and reports of less than the highest standard of scientific excellence. This implies that the State must make such provision for the ade- quate support of an organization that needs an increasing financial support if it is even to maintain its present standard of efficiency; it is to be remembered that Arizona is making great advances as an agricultural state. During the past ten years the rural population has increased tenfold. The Experiment Station is thus brought face to face with new crop problems, and into direct contact with an enlarging number of farmers and others, who call at the Station offices and laboratories in Tucson and at the several Station farms. THE EXTENSION SERVICE -The Agricultural Extension Service, like the Agricultural Ex- periment Station, is an integral part of the College of Agriculture. It is the College working throughout the State for the purpose of teaching by means of demonstrations, lectures, extension schools, and popular publications, the facts, principles and practices which it presents on the University campus by class and laboratory methods. The Extension Service, in order to meet its obligations to the public, will continue to need increasing financial support. Its accomplishments for the year are set forth in detail in a separate report. But it covers a broader teaching field, for the reason that cooperative agricultural extension work includes the field of home economics. PERSONNEL After the resignation of Dr. R. H. Forbes, effective February IS, 1918, President von KleinSmid became Dean of the College of Agriculture and Director of the Agricultural Experiment Station. March 1, 1919, the appointment of D.