. Citrus fruits;. Citrus fruit industry; Citrus fruit industry. Citrus Fruits Navel oranges color earlier and become sweet earlier in central than in southern or northern California. The apparent advantage in sweetness of early oranges from southern San Joaquin Valley is not due so much to an early increase in total sugars as it is to an early increase in the ratio between sugar and acid. Colby1 has shown that it is the early decrease in acid, together with the early color- ing, which enables the growers in the San Joaquin Valley to market their oranges early. Recently C. L. Alsberg, chief of
. Citrus fruits;. Citrus fruit industry; Citrus fruit industry. Citrus Fruits Navel oranges color earlier and become sweet earlier in central than in southern or northern California. The apparent advantage in sweetness of early oranges from southern San Joaquin Valley is not due so much to an early increase in total sugars as it is to an early increase in the ratio between sugar and acid. Colby1 has shown that it is the early decrease in acid, together with the early color- ing, which enables the growers in the San Joaquin Valley to market their oranges early. Recently C. L. Alsberg, chief of the Bureau of Chemistry, U. S. D. A., suggested that as a result of in- vestigations carried on, the northern district oranges may be considered to be immature when the juice does not contain soluble solids equal to or in excess of eight parts to each part of acid present, acid to be calcu-. Fig. 106.—Citrus fruit truck. with apples and peaches, and is probably due to the decomposi- tion of acid and sugar in the respiration of the ; . . "The loss of acid and sugar noted above is to be explained, as in the case of apples, by the consumption of these substances as a result of respiration of the ; — W. D. Bigelow and H. C. Gore, "Ripening of ; Read before A. A. A. S. in New Orleans, 1905. Contribution from the Bureau of Chemistry, U. S. Dept. Agr. — Published in Journal American Chemical Society, Vol. 29, No. 5, 1907. 1 G. E. Colby, "Comparative Examination of Shipping Navel Oranges from Northern, Middle, and Southern California," California Agr. Exp. Sta. Rpt, 1898-1901, Part II, pp. 243- 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 Coit, John Eliot, 1880- [from old catalog]. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
