Results 261 to 270 of about 841,419 (316)
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Applied Optics, 2020
As the sun rises above a mountain ridge populated with pine trees, a short-lived but spectacular light scattering effect off the pine needles is visible. It was noted by the Victorian physicist and mountaineer John Tyndall in his two mountaineering books, and this paper describes Tyndall’s observations, discusses his and Professor Necker’s descriptions,
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As the sun rises above a mountain ridge populated with pine trees, a short-lived but spectacular light scattering effect off the pine needles is visible. It was noted by the Victorian physicist and mountaineer John Tyndall in his two mountaineering books, and this paper describes Tyndall’s observations, discusses his and Professor Necker’s descriptions,
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Pine-Pine Gall Rust on Young Jack Pine in Northwestern Ontario
Northern Journal of Applied Forestry, 1990Abstract Pine-pine gall rust, caused by Endocronartium harknessii, accounted for >99% of all stem rusts encountered during a 1987 survey of jack pine in 71 plantations regenerated with planted stock or by seeding between 1979 and 1984 in northwestern Ontario.
Jennifer Juzwik, Nancy Chong
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Ecotone, 2023
Abstract: "Only her brother knew she'd been alone in the woods. Te busqué , he said when he still knew how. I looked and looked, but you were gone. In the memory, he says these things in English because neither of them remember their Spanish anymore. They don't even remember to call each other."
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Abstract: "Only her brother knew she'd been alone in the woods. Te busqué , he said when he still knew how. I looked and looked, but you were gone. In the memory, he says these things in English because neither of them remember their Spanish anymore. They don't even remember to call each other."
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2007
Pinus is the most important genus within the Family Pinaceae and also within the gymnosperms by the number of species (109 species recognized by Farjon 2001) and by its contribution to forest ecosystems. All pine species are evergreen trees or shrubs.
Plomion, Christophe +18 more
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Pinus is the most important genus within the Family Pinaceae and also within the gymnosperms by the number of species (109 species recognized by Farjon 2001) and by its contribution to forest ecosystems. All pine species are evergreen trees or shrubs.
Plomion, Christophe +18 more
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Pine, Pine Spittlebug Control, 1982
Insecticide and Acaricide Tests, 1983Abstract A roadside planting of pines at Painter, Va was used for the insecticide evaluation.
P. B. Schultz, D. W. Sherrod
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Pine, Pine Spittlebug Control, 1980
Insecticide and Acaricide Tests, 1981Abstract A nursery block of pines were treated on May 30 in Painter, Virginia. A 1-gal B & G compressed air sprayer was used at 30 psi. Plants were sprayed until runoff. Treatments were randomized and replicated 4 times, including check (water treated) and untreated trees. Temperature at the time of application was 80°F. Results were
P. B. Schultz, L. A. Parnell
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2021
This thesis has been embargoed for 10 years. It will be available in May 2030 at the earliest.
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This thesis has been embargoed for 10 years. It will be available in May 2030 at the earliest.
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Pine-Pine Rust of Scotch Pine Christmas Trees
2019Discussion of pine rust of scotch pine Christmas trees including its range, cause, and symptoms and ...
Skelly, John M., Alexander, Samuel A.
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