Dryland agriculture in California… grain cropping with winter rainfall
AuthorR. E. Luebs
Author AffiliationsR. E. Luebs is Research Soil Scientist, USDA, Riverside.
Hilgardia 24(12):12-13. DOI:10.3733/ca.v024n12p12. December 1970.
The terms dryland and dry farming are used in the United States to characterize agriculture existing on an average annual precipitation of from 10 to 20 inches. A high variability in the annual amount is common in these relatively low rainfall areas—less than half the longtime average can occasionally be expected. On the basis of seasonal water availability for vegetation, dryland farming extends from areas where economically useful vegetation is barely sustained, to areas where drought is only an intermittent problem.
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