. Southern field crops (exclusive of forage plants). Agriculture. COTTON BBEEBING 303 lated flower for about five days, or until a young boll has developed. This boll must be carefully labeled by means of a small tag, so that at har- vest time the crossed boll may be distin- guished from others. 270. Varia- tion and selec- tion.—The different indi- vidual plants within a single variety differ considerably (Figs. 142 and 143). Still greater is the divergence between individual plants of unimproved cotton. • This tendency to vary makes constant improve- ment possible. For as long as a few plants
. Southern field crops (exclusive of forage plants). Agriculture. COTTON BBEEBING 303 lated flower for about five days, or until a young boll has developed. This boll must be carefully labeled by means of a small tag, so that at har- vest time the crossed boll may be distin- guished from others. 270. Varia- tion and selec- tion.—The different indi- vidual plants within a single variety differ considerably (Figs. 142 and 143). Still greater is the divergence between individual plants of unimproved cotton. • This tendency to vary makes constant improve- ment possible. For as long as a few plants are distinctly superior in any quality to the majority of plants, there. Fig. 142. — A Pboddctive Cotton 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 Duggar, J. F. (John Frederick), 1868-. New York, The Macmillan company
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Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
