Research on watch technology sponsored a
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R.H.O.
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Article
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1939
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Elsevier Science
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English
โ 114 KB
## CURRENT TOPICS I47 system used in the more humid regions, because the primary problem is one of holding water on the land rather than draining it off safely. But Soil Conservation Service technicians have worked out a program that does apply. Water is conserved through contour tillage and terra