Fertilizers and crops: or, The science and practice of plant-feeding; a presentation of facts, giving practical methods for using fertilizers in crop growing, with special emphasis on the reasons underlying their use, and on the conditions of their greatest efficiency
Orange Judd company, 1912 - 734 páginas
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abundance acid phosphate alfalfa ammonia ammonium sulphate amount of nitrogen amounts of plant-food applied available phosphoric acid available plant-food bacteria bone bone phosphate calcium carbonate calcium compounds calcium nitrate calcium oxide calcium phosphate cent chemical clover commercial fertilizers composition containing corn cover-crops cowpeas crop-rotation decomposed decomposition dissolved effect especially excrements farm manure farmers favorable fertilizing materials forms of plant-food furnish grain grass green-crop manure growing grown growth hydroxide insoluble kainite kind large amounts leguminous leguminous crops less light soils loams magnesium meadows method mixed moisture nitrate nitrogen nitric nitrification oats organic matter organic nitrogen oxygen particles percentage phos phosphorus and potassium plant-food constituents plant-food materials Plant-food mixture plants plowed potash potassium chloride potassium compounds pounds an acre pounds of Mixture pounds of nitrogen quicklime roots rotation salt sandy season seed slaked lime sodium nitrate soluble superphosphate tankage tion usually wheat yield
Página 738 - It contains an account of modern methods in feeding and handling all farm s*:ock, including poultry. The diseases which affect different farm animals and poultry are described, and the most recent remedies suggested for controlling them. Every bit of this vast mass of new and useful information is authoritative, practical and easily found, and no effort has been spared to include all desirable details.
Página 737 - ... 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 buckwheat, as related particularly to American conditions. First-hand knowledge has been the policy of the author in his work, and every crop treated is presented in the light of individual study of the plant. If you have this book you have the latest and best that has been written...
Página 735 - BUILDING PEOPLE'S GAS BUILDING 315-321 Fourth Avenue ISO Michigan Avenue Any of these books will be sent by mail, postpaid, to any part of the world, on receipt of catalog price. We are always happy to correspond with our patrons, and cordially invite them to address us on any matter pertaining to rural books.
Página 736 - This treatise will enable the farmer to treat his field to remove weeds. The book is profusely illustrated by photographs and drawings made expressly for this work, and will prove invaluable to every farmer, land owner, gardener and park superintendent. 5x7 inches. 300 pages. Cloth Net, $1.50 Farm Machinery and Farm Motors By JB DAVIDSON and LW CHASE.
Página 738 - Department of Agriculture. HIS is a new, practical and complete presentation of the whole subject of agriculture in its broadest sense. It is designed for the use of agriculturists who desire up-to-date, reliable information on all matters pertaining to crops and stock, but more particularly for the actual farmer. The volume contains Detailed directions for...
Página 735 - ... subsequent reading. Illustrated. 5x7 inches. 265 pages. Cloth. Net, $1.00 The Study of Corn By PROF. VM SHOESMITH. A most helpful book to all farmers and students interested in the selection and improvement of corn. It is profusely illustrated from photographs, all of which carry their own story and contribute their part in making pictures and text matter a clear, concise and interesting study of corn.
Página 736 - 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 737 - Illustrated. 428 pages. 5l/ix.S 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 735 - ... Fertility. Professor Vivian's experience as a teacher in the short winter courses has admirably fitted him to present this matter in a popular style. In this little book he has given the gist of the subject in plain language, practically devoid of technical and scientific terms. It is pre-eminently a "First Book...