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The Principles of Agronomy; A Text-Book of Crop Production for High-Schools and Short-Courses in Agricultural Colleges - Softcover
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 edition. Excerpt: ... APPENDIX M PLOWING AS AFFECTED BY SHAPE OF THE FIELD (8 inch furrow) APPENDIX N AVERAGE DEPRECIATION A YEAR AND COST TO THE ACRE FOR FARM MACHINERY (Minnesota Bui. 117) Machine Depreciation Per Year, On Original Cost Cost Per Acre Threshing outfit . . Hay loaders . . . Manure spreader . Corn binders . . . Harrows .... Reapers Grain binders . . . Mowers Hay rakes .... Gasoline engines . . Corn cultivators . . Corn planters . . . Grain drills and seeders Harness (heavy) . . [Sulky . . . Plows I Gang . . . I Walking . . Hay racks .... Sleds Wagons Horse weeders . . . Disks Hay tedders . . . Fanning mills . . . Grain tanks . . . APPENDIX 0 GLOSSARY Alkaloid. -- Substances in plants that stimulate or deaden nervous action, such as strychnine, morphine, and caffein. Ash. -- Mineral matter left after burning; ashes. Awns. -- Beards on seed-coats or on chaff. Bacteria. -- Extremely small one-celled plants, -- the smallest members of the plant kingdom. They depend on other plants or animals, either living or dead, for food. Bast. -- The fibrous part of the bark. Bracts. -- Leaflets near the base of true leaf, or on rootstocks; any leaves normally much reduced in size. Calyx. -- Outer envelope of the flower; if the parts are separate, they are called sepals; if not wholly separate, they are lobes. Cambium. -- Growing tissue usually between bark and wood. It lies between the phloem and the xylem of the fibrovascular bundle, and as these bundles, when active, are on the outside of the woody cylinder, the cambium seems to lie between the wood and bark. Capillary water. -- All water that is held in films and that will evaporate without heating, if exposed to the air. Carbohydrates. -- Substances consisting wholly of carbon, hydrogen, and oxygen, such...
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- VerlagTheClassics.us
- Erscheinungsdatum2013
- ISBN 10 1230333509
- ISBN 13 9781230333502
- EinbandTapa blanda
- SpracheEnglisch
- Anzahl der Seiten112
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