William Jasper Spillman

A Foundation Textbook on Agriculture

Farm Science

To build up and maintain fertility in the soil, feed a large part of the crops and return the manure to the land. If manure is not available, plow under crops grown for the purpose. Plow deep (but do not subsoil). Grow leguminous crops for the nitrogen they add to the soil. Commercial fertilizers and lime may be important means of improving the soil, but the fertilizer requirements of different soils and different crops in different seasons are so little understood that we are not yet in a position to make positive recommendations that are of a general application.

Renovation of Worn-out Soils

Part One: The Law of the Diminishing Increment

The Law of Diminishing Returns

Edward Elway Free

Clyde William Warburton

Lee Cleveland Corbett

J. M. Westgate

Lore Alford Rogers

Caroline Louisa Hunt

Seaman Ashahel Knapp

George Mason Whitaker

Samuel Fortier

Charles Pinckney Hartley

William Frear

Daniel Thomas Gray

A. O. Wente

Dick Jay Crosby

Patrick Joseph O'Gara

Russell Arthur Oakley

Walter N. M. Moore

Lucius Moody Tolman

E. K. Hibshman

Edwin Roy Jackson

Frank William Howe

"This bulletin has been prepared with two purposes in view : First, to outline the conditions which must be considered before attempting to make denatured alcohol, and second, to give in detail the practical methods for the manufacture of alcohol from potatoes. A discussion of general conditions is given in order to answer the many inquiries received at the Department as to the availability of various materials and it is hoped that persons interested, by a careful reading of this section, will be able to decide for themselves as to the value of any proposed material and the possibility of successfully making alcohol from it under their respective local conditions"--Purpose of the bulletin (p.5)

With a General Discussion of the Availability of Other Wastes

Potato Culls as a Source of Industrial Alcohol

Richard H. Wood

Thomas Shaw

C. F. Langworthy

Theodore Sherman Palmer

Peter Henry Rolfs

William Renwick Beattie

David Ernest Lantz

T. Ralph Robinson

William Allen Orton

Allerton Seward Cushman

Edwin Harrison Webster

George Lemon Clothier

Karl Frederic Kellerman

Merton Benway Waite

Philip Lightfoot Wormeley

Henry Oldys

Robert White Williams

Injury by Smoke and Gases, Tomato Growing, Fertilizer Mixtures, Influence of Feed on Milk, Flint Varieties of Corn, Protecting Cows from Flies, Buying and Judging Seed Corn, Experiments with Turkeys, Tobacco Seed, Mineral Matter for Chickens, Cowpea Seed, Brooder Heat, Treating Seed Oats for Smut, American Camembert Cheese, Potato Culture, Swelling in Canned Peas

Experiment Station Work, XXIX

John Robbins Mohler

John William Froley

Clarence Beaman Smith

Gifford Pinchot

Harry Nelson Vinall

Harry B. McClure

Charles Vancouver Piper

Alfred Judson Henry

Charles Franklin Brown

Charles Landon Goodrich

Herbert Randolph Cox

James Frank Breazeale

Lawrence Green Dodge

Mary Hinman Abel

Robert Denniston Milner

Stanley Edward Piper

Harold T. Nielsen

"This bulletin gives an account of the recent mouse plague in Humboldt Valley, Nevada. Its object to acquaint farmers with the dangers from field mice to describe the best methods of destroying and controlling the animals. Through referring particularly to the Nevada outbreak, the recommendations apply to similar species in other parts of the United States." -- Introduction p. 5.

Inoculation and Lime for Alfalfa, Preventing Losses at Lambing Time, Citrus Culture in Southern Texas, Winter Lambs for the Pacific Coast Market, Pruning Rotundifolia Grapes, Feeding Work Horses, Native Hays of Arid Region, Colony Houses for Poultry, Bermuda Grass, Food of the Crow Blackbird, Short V. Long Feeding of Beef Cattle, Flour for Baking Powder Biscuits, Contagious Abortion of Cattle

Experiment Station Work, LIII

John William Roberts

Milton Henry Fohrman

Thompson Elwyn Woodward

R. W. Leukel

William John Nolan

Arthur Koehler

John Brown Cuno

John Clymer Dunegan

Charles Walter Collins

Hazel Katherine Stiebeling

Aaron Francis Bracken

Joshua John Skinner

Willis James Nolan

R. R. Graves

Herbert Dwight Smith

John Holmes Martin

John Robert Magness

Mark Hughlin Haller

Edward Coit Peck

David Edmund Stephens

Ernest Bateman

George William Trayer

James Edward McMurtrey

John Guice Sutton

Joseph Clarence Silver

Ralph Lester Miller

Raymond Secord Washburn

T. D. Jarrell

Walter M. Osborn

William Henry Fry

Carrington Bonsor Williams

Hazel Edith Munsell

Henry Morris Wanser

Ione P. Bassett

James Geere Dickson

James McKenzie Hankins

Samuel Frederick Potts

Aaron Guy Johnson

Fletcher Pearre Veitch

Harvey Blount Mann

William Walter Yothers

Distinctive Effects of the Deficiency of Certain Essential Elements on the Growth of Tobacco Plants in Solution Cultures

William Jasper Spillman

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