. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. ROOT SYSTEMS IN AEID SOILS 89 condition of the soil permits the entrance of air, which helps to purify the soil atmosphere and thereby to make the conditions more favorable for root develop- ment. Consequently it is to be expected that, in 1^. Fig. 25. Corn roots. arid regions, roots will ordinarily go to a much greater depth than in humid regions. It is further to be remembered that roots are in constant search of food and water and are likely to develop in the directions where there is the greatest abunda


. Dry-farming; a system of agriculture for countries under a low rainfall. Dry farming. ROOT SYSTEMS IN AEID SOILS 89 condition of the soil permits the entrance of air, which helps to purify the soil atmosphere and thereby to make the conditions more favorable for root develop- ment. Consequently it is to be expected that, in 1^. Fig. 25. Corn roots. arid regions, roots will ordinarily go to a much greater depth than in humid regions. It is further to be remembered that roots are in constant search of food and water and are likely to develop in the directions where there is the greatest abundance of these materials. Under systems of dry-farming the soil water is stored more or less uniformly to considerable depths — ten feet or more — and in most cases the percentage of moisture in. 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, booksubjectdryfarm, bookyear1912