Physical properties of soils

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O. Judd Company, 1909 - 102 páginas
 

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Página 102 - By THOMAS F. HUNT, MS, D.Agri., Professor of Agronomy, Cornell University. If you raise five acres of any kind of grain you cannot afford to be without this book. It is in every way the best book on the subject that has ever been written. It treats of the cultivation and improvement of every grain crop raised in America in a thoroughly practical and accurate manner. The subject-matter includes a comprehensive and succinct treatise of wheat, maize, oats, barley, rye, rice, sorghum (kafir corn) and...
Página 102 - History. Cultivation and Merits. Its Uses as a Forage and Fertilizer. The appearance of the Hon. FD COBURN'S little book on Alfalfa a few years ago has been a profit revelation to thousands of farmers throughout the country, and the increasing demand for still more information on the subject has induced the author to prepare the present volume, which is by far the most authoritative, complete and valuable work on this forage crop published anywhere. It is printed on fine paper and illustrated with...
Página 102 - Illustrated. 428 pages. sJ/2 x 8 inches. Cloth $1.75 The Book of Alfalfa History, Cultivation and Merits. Its Uses as a Forage and Fertilizer. The appearance of the Hon. FD COBURN'S little book on Alfalfa a few years ago has been a profit revelation to thousands of farmers throughout the country, and...
Página 102 - The Forage and Fiber Crops in America By THOMAS F. HUNT. This book is exactly what its title indicates. It is indispensable to the farmer, student and teacher who wishes all the latest and most important information on the subject of forage and fiber crops. Like its famous companion, "The Cereals in America...
Página 101 - WILLIAM BURKETT, Director Kansas Agricultural Experiment Station. The most complete and popular work of the kind ever published. As a rule, a book of this sort is dry and uninteresting, but in this case it reads like a novel. The author has put into it his individuality. The story of the properties of the soils, their improvement and management, as well as a discussion of the problems of crop growing and crop feeding, make this book equally valuable to the farmer, student and teacher.
Página 101 - Insects Injurious to Vegetables By Dr. FH CHITTENDEN, of the United States Department of Agriculture. A complete, practical work giving descriptions of the more important insects attacking vegetables of all kinds with simple and inexpensive remedies to check and destroy them, together with timely suggestions to prevent their recurrence. A ready reference book for truckers, marketgardeners, farmers as well as others who grow vegetables in...
Página 102 - FD COBURN'S little book on Alfalfa a few years ago has been a profit revelation to thousands of farmers throughout the country, and the increasing demand for still more information on the subject has induced the author to prepare the present volume, which is by far the most authoritative, complete and valuable work on this forage crop published anywhere. It is printed on fine p;iper and illustrated with many full-page photographs that were taken with the especial view of their relation to the text....
Página 72 - STUDENT'S NOTES AND REPORT FIFTEENTH EXERCISE THE SPECIFIC HEAT OF SOILS THE specific heat of a body is the ratio between the amount of heat necessary to raise a given weight of...
Página 72 - ... to that required to raise the temperature of the same weight of water one degree from the temperature of maximum density 39.1 is commonly called the specific heat of the substance.
Página 101 - J)OOKS sent to all parts of the -world for catalog price. Discounts for large quantities on application. Correspondence invited. Brief descriptive catalog free. Large illustrated catalog, six cents. Soils By CHARLES WILLIAM BURKETT, Director Kansas Agricultural Experiment Station.

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