. Elementary principles of agriculture : a text book for the common schools. Agriculture. 76 Elementary Principles of Agriculture. Fig. 41b. eliuwth of rye in carl>- siniug. ,1, iiiilertilizefl; ii, fertilized with nitrogenous fertilizer. The leaching rains had robbed the soil of its nat- ural store of nitrogen. Arkansas Experiment Station. ing than similar soils in northern climates. This fact should suggest to farmers in southern climates their need of greater attention to the use of cover crops. (Fig. 41b.) QUESTIONS 1. In what three forms does water exist in the soil? 2. Explain capilla
. Elementary principles of agriculture : a text book for the common schools. Agriculture. 76 Elementary Principles of Agriculture. Fig. 41b. eliuwth of rye in carl>- siniug. ,1, iiiilertilizefl; ii, fertilized with nitrogenous fertilizer. The leaching rains had robbed the soil of its nat- ural store of nitrogen. Arkansas Experiment Station. ing than similar soils in northern climates. This fact should suggest to farmers in southern climates their need of greater attention to the use of cover crops. (Fig. 41b.) QUESTIONS 1. In what three forms does water exist in the soil? 2. Explain capillary water. Hygroscopic water. 3. Between what per cents of water content do plants grow most vigorously? 4. Can an irri- gated field have too much water? 5. What becomes of the rains? 6. What can the farmer do to make use of a greater amount of the average rainfall? 7. About how much water is used for every pound of dry matter made by growing cotton, or corn? 8. Why is soil drainage important? 9. How should open drains be made? 10. What is a tile drain? 11. Why are foot-hill fields more productive than hill fields? 12. Mention several ways of reducing the leaching and washing of hillside fields. 13. Explain the theory of each Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ferguson, A. M. (Alexander McGowen), 1874-; Lewis, Lowery Laymon, 1869-. Chicago, Ill. : Ferguson Publishing Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
