. California apricot industry : trends and outlook. Apricot; Fruit-culture. years or older. The proportion of such older trees increased to 80 per cent by the late 1940's and 85 per cent since 1955. The age distribution in 1936 and in 1956 is compared on a district basis in figure 2 below. Important differences among districts are: H Nonbearing acreage increased eight- fold in Stockton District and decreased by 40 per cent for the remainder of the state. This district's proportion of the state total increased from 7 to 51 per cent since 1936. fl The proportion of acreage consisting of young be
. California apricot industry : trends and outlook. Apricot; Fruit-culture. years or older. The proportion of such older trees increased to 80 per cent by the late 1940's and 85 per cent since 1955. The age distribution in 1936 and in 1956 is compared on a district basis in figure 2 below. Important differences among districts are: H Nonbearing acreage increased eight- fold in Stockton District and decreased by 40 per cent for the remainder of the state. This district's proportion of the state total increased from 7 to 51 per cent since 1936. fl The proportion of acreage consisting of young bearing trees (16 years or less since planting) declined from 26 to 12 percent in the Santa Clara District and from 60 to 16 per cent for the remainder of the state. || Acreage of older bearing trees located in West Central Valley and Stockton Districts increased from 15 to 28 per cent of the state total, continued at about 58 per cent of Santa Clara District, and declined from 27 to 14 per cent for other areas. Yield Changes Weather conditions during the bloom- ing, growing, and harvest season largely determine the yield for a particular year. Other forces guide its long-run move- ment. Shifts in geographic, varietal, and age composition of the bearing acreage have an important effect. Cultural prac- tices alter yield not only for the current season but over the life of the tree. Figure 3 shows that yield varies sub- stantially from year to year. These annual fluctuations averaged tons since 1940, or about 46 per cent of the average yield (of tons per bearing acre) for the period. The year-to-year change was to tons in six of the past 20 years, 30 20 CO LU Qi U QOO\J Young Bearing Trees [j Old Bearing Trees Other Counties West Central District. Stockton District. 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 t
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Keywords: ., bookcentury1900, bookcollectionamerican, booksubjectfruitculture
