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able acres Adolph agricultural animal annual appear become bill birds Bureau carried cause Cincinnati climate colleges condition continued covered crops cultivation culture destroyed destruction direction earth educational establishment expenses experience extent fact farm farmer favorable feet fertile field fires forestry forests friends ground growing growth hand hundred important inches increase insects instruction interest kinds land laws leaves less Leué means measured method miles million mountains natural necessity observed Ohio pass pine planting portion practice prairies present preservation Prof protection question rains reached received region remain rivers road robin roots School of Forestry schools season seeds seems seen short side soil song species spring success summer supply surface thousand timber tion trees University vegetable whole wood woodland young
Página 69 - Would it be believed that the larvae of an insect, or fly, no larger than a grain of rice, should silently, and in one season, destroy some thousand acres of pine trees, many of them from two to three feet in diameter, and a hundred and fifty feet high!
Página 25 - Ohio. SECTION 1. Be it enacted by the Qeneral Assembly of the State of Ohio, That there be and hereby is established at the...
Página 93 - ... extent by planting trees along the courses of the said rivers where the land is timberless, so that the said rivers may be kept in a navigable condition by promoting a continuous supply from their sources and affluents.
Página 38 - ... may approve, for awakening an interest in behalf of forestry in the public schools, academies and colleges of the state, and of imparting some degree of elementary instruction upon this subject therein . § 16.
Página 97 - Whose birth was in their tops, grew old and died Among their branches, till at last they stood, As now they stand, massy and tall and dark, Fit shrine for humble worshipper to hold Communion with his Maker.
Página 68 - In more than fifty orchards which I have myself carefully examined, those trees which were marked by the woodpecker (for some trees they never touch, perhaps because not penetrated by insects) were uniformly the most thriving, and seemingly the most productive; many of these were upward of sixty years old, their trunks completely ^covered with holes, while the branches were broad, luxuriant, and loaded with fruit. Of decayed trees, more than three-fourths were untouched by the woodpecker.
Página 68 - From nearly the surface of the ground up to the first fork, and sometimes far beyond it, the whole bark of many apple-trees is perforated in this manner, so as to appear as if made by successive discharges of buckshot ; and our little Woodpecker, the subject of the present account, is the principal perpetrator of this supposed mischief. I say supposed, for, so far from these perforations of the bark being ruinous, they are not only harmless, but, I have good reason to believe, really beneficial to...
Página 68 - ... the early part of spring is the season when the sap flows most abundantly ; whereas it is only during the months of September, October, and November, that Woodpeckers are seen so indefatigably engaged in orchards, probing every crack and crevice, boring through the bark, and, what is worth remarking, chiefly on the south and south-west sides of the tree, for the eggs and larvae deposited there, by the countless swarms of summer insects.
Página 68 - ... in. pretty regular, horizontal circles round the body of the tree. These parallel circles of holes are often not more than an inch, or an inch and a half apart, and sometimes so close together, that I have covered eight or ten of them at once with a dollar.