. Dry-farming;. Dry farming. [from old catalog]. 184 DRY-FARMING the soil solution by the addition of artificial fertilizers enabled the plant to produce dry matter with less water. He further found that if a soil is properly tilled so as to set free plant-food and in that wa}^ to enrich the soil solution the water-cost of dry plant substance is decreased. Hellriegel, in 1883^ con-. FiG. 44. Interior of olive orchard, Sfax, Tunis. Note the great distances between the trees and the perfectly clean soil culture. firmed this law and laid down the law that poor plant nutrition increases the water-


. Dry-farming;. Dry farming. [from old catalog]. 184 DRY-FARMING the soil solution by the addition of artificial fertilizers enabled the plant to produce dry matter with less water. He further found that if a soil is properly tilled so as to set free plant-food and in that wa}^ to enrich the soil solution the water-cost of dry plant substance is decreased. Hellriegel, in 1883^ con-. FiG. 44. Interior of olive orchard, Sfax, Tunis. Note the great distances between the trees and the perfectly clean soil culture. firmed this law and laid down the law that poor plant nutrition increases the water-cost of every pound of dry matter produced. It was about this time that the Rothamsted Experiment Station re- ported that its experiments had shown that during periods of drouth the well-tilled and well-fertilized fields yielded good crops^ while the unfertilized fields. 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 Widtsoe, John Andreas, 1872-1952. New York, The Macmillan company


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyorkthemacmilla