Forest Leaves, Volume 3, Issue 21 - Volume 5, Issue 56Pennsylvania Forestry Association., 1890 |
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Page 3
... soil . Trees retard the surface " run off " of storm waters and increase , therefore , the time of distribution of the water to the soil , and hence have a very important influence in mitigating the effects of droughts . Trees upon hill ...
... soil . Trees retard the surface " run off " of storm waters and increase , therefore , the time of distribution of the water to the soil , and hence have a very important influence in mitigating the effects of droughts . Trees upon hill ...
Page 4
... soil and the leaves , under varying conditions , the exhalation of gases from the plant and the general effect of plants on the soil , are all subjects of careful study by the student in this new course . It will thus be seen how ...
... soil and the leaves , under varying conditions , the exhalation of gases from the plant and the general effect of plants on the soil , are all subjects of careful study by the student in this new course . It will thus be seen how ...
Page 7
... soil on which mankind came at last to settle and to rear homes and temples . I have sailed along the coast of Florida , in and out through the intricacies of its mangrove - covered keys , and wondered at the work the tree was doing for ...
... soil on which mankind came at last to settle and to rear homes and temples . I have sailed along the coast of Florida , in and out through the intricacies of its mangrove - covered keys , and wondered at the work the tree was doing for ...
Page 8
... soil , or if water plants , from the air in the water . Common dry soil plants are often killed by planting in wet or flooded places , such plants not having the power to take the needed oxygen from the water . This will explain ...
... soil , or if water plants , from the air in the water . Common dry soil plants are often killed by planting in wet or flooded places , such plants not having the power to take the needed oxygen from the water . This will explain ...
Page 11
... soil is mostly underlaid with red clay subsoil , which is often so mixed with sand as to yield readily to the ... soil with roots , and covering the surface with pine straw , which , to a degree , stays the downward course of rain ...
... soil is mostly underlaid with red clay subsoil , which is often so mixed with sand as to yield readily to the ... soil with roots , and covering the surface with pine straw , which , to a degree , stays the downward course of rain ...
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25 North Juniper A. B. Weimer acres Adirondack Agriculture American Forestry Association annual Arbor Day ARTURO TORRES-RIOSECO bark beauty Bernhard Zondek bill branches Carlos Reyles Chester County Chestnut Commissioner Committee Commonwealth County crop Delaware County destruction dollars Eli Kirk Price estry farm feet forest fires forest lands FOREST LEAVES forest reservations forest trees Forestry Commission friends of forestry Grandes Novelistas ground grow growth hemlock Herbert Welsh illustrated inches interest J. T. ROTHROCK James Joaquín Edwards Bello John Birkinbine legislation Legislature locust maple meeting membership ment miles mountain owners Park Pennsylvania Forestry Association Phila Philadelphia present President Prof protection region river schools Secretary secure seed Seis Novelistas soil species spruce streams supply timber timber lands tion tree planting trunk Turpeinen Walnut St Walnut Street waste West Chester white pine wood York
Popular passages
Page 74 - ... of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large porous tumors, caused by the efforts of the trees to repair the injuries they have suffered.
Page 23 - That in consideration of the public benefit to be derived from the planting and cultivation of forest or timber trees, the owner or owners of any land in this Commonwealth...
Page 161 - The lands of the State, now owned or hereafter acquired, constituting the forest preserve as now fixed by law, shall be forever kept as wild forest lands. They shall not be leased, sold or exchanged, or be taken by any corporation, public or private, nor shall the timber thereon be sold, removed or destroyed.
Page 22 - Institutes. The other officers of the Department shall be appointed by the Governor for the term of four years and shall be an Economic Zoologist, a Commissioner of Forestry, a Dairy and Food Commissioner, who shall have practical experience in the manufacture of dairy products...
Page 52 - I AM monarch of all I survey, My right there is none to dispute ; From the centre all round to the sea I am lord of the fowl and the brute.
Page 74 - The eggs are soon hatched, and the grubs immediately burrow into the bark, devouring the soft inner substance that suffices for their nourishment till the approach of winter, during which they remain at rest in a torpid state. In the spring they bore through the sapwood, more or less deeply into the trunk, the general course of their winding and irregular passages, being in an upward direction from the place of their entrance.
Page 172 - ... they think the millionaire has that which they themselves cannot get. Now, money stands for food and drink, for the garments we wear and the houses we live in and things of that sort; but let it never be forgotten that money cannot make life worth living. If you have plenty of money you can buy a fine house, but you cannot buy a happy home; that must be made by you, and by her who occupies it with you. If you are rich you may buy a fine copy of Shakespeare, but you cannot buy the ability to appreciate...
Page 136 - That it shall be the duty of the commissioners of the several counties of this commonwealth to appoint persons under oath, whose duty it shall be to ferret out and bring to punishment all persons who, either wilfully or otherwise, cause the burning of timber lands, and to take measures to have such fires extinguished where it can be done ; the expenses thereof to be paid out of the county treasury, the unseated land tax to be the first applied to such expenses.
Page 74 - Capricorn beetle is velvet black, and ornamented with transverse yellow bands, of which there are three on the head, four on the thorax, and six on the wing-covers, the tips of which are also edged with yellow. The first and second bands on each wing-cover are nearly straight; the third band forms a V, or, united with the opposite one, a W...
Page 75 - ... drowns. Harris states that whitewashing and covering the trunks of the trees with grafting composition may prevent the female from depositing her eggs upon isolated trees. Also, young trees might be headed down to the ground, so as to Destroy the grubs boring in them, and also to promote a more vigorous growth. An excellent preventive remedy is to collect these beetles early in September when engaged in eating the pollen of the golden rod ; children could perform this labor.