Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Jay S. Jacobson"'
Publikováno v:
The New phytologistreferences. 129(1)
summary Two-year-old red spruce (Picea rubens Sarg.), raised from seed collected at five locations from Maine to North Carolina, were exposed in a greenhouse to either sulphuric or nitric acid mist (median pH 2–85). Exposures were performed three t
Publikováno v:
The New phytologistReferences. 105(1)
Summary Cucumis sativus L. plants were grown in the greenhouse and exposed 21 times to simulated acidic rain over a period of 6 weeks to compare the responses of vegetative and reproductive tissues. Chemical composition and temporal characteristics o
Publikováno v:
Scandinavian Journal of Forest Research. 7:331-344
During the growing seasons of 1985–88, red spruce (Picea rubens Sarg.) seedlings were exposed repeatedly in field chambers to sulfuric and/or nitric acid mist in the range of pH 2.5 to 4.5. Hydrogen ion, sulfate, and nitrate concentrations in mist
Publikováno v:
Physiologia Plantarum. 78:595-601
Two-year-old red spruce seedlings (Picea rubens Sarg.) growing in. field chambers were repeatedly exposed to acidic mist with a factorial combination of 3 fluctuating levels of acidity: median pH values of 3.0 (range of 2.5 to 3.5), 3.5 (range of 3.0
Autor:
Laurence I. Heller, Jay S. Jacobson, Twylene Bethard, Karen E. Yamada, James P. Lassoie, Joseph F. Osmeloski
Publikováno v:
Canadian Journal of Forest Research. 20:58-65
Seedlings of red spruce (Picearubens Sarg.) were exposed repeatedly, either in the field or in the greenhouse, to sulfuric acid mist, nitric acid mist (with or without ammonium ions), or a combination of sulfuric and nitric acid mist (with or without
Autor:
Jay S. Jacobson
Publikováno v:
BioScience. 40:464-464
Publikováno v:
Environmental and Experimental Botany. 23:113-119
An experiment was performed to determine whether the presence of ozone modified the effects of acidity of simulated rain on growth and yield of soybean ( Glycine max. [L.] Merr.). Beeson, a type II cultivar, was grown in field chambers and exposed to
Publikováno v:
Agriculture, Ecosystems & Environment. 11:161-172
Field-grown snap bean (Phaseolus vulgaris L. cultivar ‘Provider’) plants were treated with simulated acidic rain applied either alone or in combination with ambient rain and the effects on growth and yield were determined. In plots where ambient
Autor:
Jay S. Jacobson, Laurence I. Heller
Publikováno v:
Journal of AOAC INTERNATIONAL. 58:1129-1134
A collaborative test was performed to evaluate a new potentiometric method for the analysis of fluoride in vegetation. The study was designed to provide estimates of accuracy and within- and between-laboratory precision of a method that employs extra
Autor:
John M. McManus, Jay S. Jacobson
Publikováno v:
Atmospheric Environment (1967). 19:501-506
SO 2 concentrations for two consecutive growing seasons were obtained from an eleven-station monitoring network in a portion of the Ohio River Valley that contains four coal-fired generating stations. Elevated SO 2 concentrations occurred at all site