. Bulletin. 1901-13. Agriculture; Agriculture. HABIT OF GROWTH. 11 parallels the border of the Gulf of Mexico to southern Texas with- out reaching the coast. In a line nearly parallel to that of the eastern border, the western boundary extends from southwestern Iowa across eastern Kansas, western Oklahoma, and western Texas to the Rio Grande. HABIT OF GROWTH. In habit of growth the pecan varies greatly, according to* environ- ment and locality. Under the most favorable conditions it develops a massive spreading top in the open, while in thickly crowded forests it attains great height. In the a
. Bulletin. 1901-13. Agriculture; Agriculture. HABIT OF GROWTH. 11 parallels the border of the Gulf of Mexico to southern Texas with- out reaching the coast. In a line nearly parallel to that of the eastern border, the western boundary extends from southwestern Iowa across eastern Kansas, western Oklahoma, and western Texas to the Rio Grande. HABIT OF GROWTH. In habit of growth the pecan varies greatly, according to* environ- ment and locality. Under the most favorable conditions it develops a massive spreading top in the open, while in thickly crowded forests it attains great height. In the alluvial lands of the Mississippi River bottoms specimen trees ranging from 4 to 6 feet in diameter. Fig. 3.—A native forest cleared of timber other than pecan on the Kentucky side of the Ohio River, 10 miles from Evansville, Ind. and from 150 to 170 feet in height are not uncommon. Fignre 2 shows a pecan tree in Ascension Parish, La., photographed in 1909, having an estimated height of 130 feet, a spread of 125 feet, and measuring 18 feet 3 inches in circumference at breast height. A view of a native forest cleared of all timber other than pecan, situated on the Kentucky side of the Ohio River not far from Evansville, Ind., is shown in figure 3. Pecan trees having diameters of 2 to 4 feet and heights of 75 to 100 feet are not uncommon in this forest. In the semiarid sections of Texas the growth is different from that of humid regions; the trees do not attain such great size, their 251. 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 United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off
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