Results 241 to 250 of about 2,732 (295)
Low-cost clamp for the measurement of vegetation spectral signatures. [PDF]
HardwareXAcevedo-Correa C +3 more
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Combined impacts of sea level rise and invasive species on Cordylanthus maritimus (Salt Marsh Bird's Beak) in Upper Newport Bay, California. [PDF]
PLoS OneSpear HV +7 more
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Patterns of occurrence, phenology, and phylogeny of Phloeosinus punctatus LeConte (Coleoptera: Curculionidae, Scolytinae) in giant sequoia. [PDF]
Environ EntomolFoote NE +7 more
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Greenhouse soil solarization: effect on weeds, nematodes and yield of tomato and melon
Agronomy for Sustainable Development, 2008 Phase-out of methyl bromide and health concerns related to the use of pesticides are increasing the interest in alternative control strategies. Soil solarization is an effective, safe and cheap technique for the control of soil-borne pathogens and ...
Trifone D'Addabbo +2 more
exaly +3 more sources
Soil Solarization: Effects on Soil Microbiological Parameters
Journal of Plant Nutrition, 2007 Soil solarization, obtained by covering soil with plastic films, is a useful practice able to reduce soil pathogen populations. Light plastic films (LPFs) are nowadays widely used especially in open and greenhouse vegetable crop cultivations in Southern ...
Stefano Dumontet, Antonio Scopa
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Managing compost stability and amendment to soil to enhance soil heating during soil solarization [PDF]
Waste Management, 2013 Soil solarization is a method of soil heating used to eradicate plant pathogens and weeds that involves passive solar heating of moist soil mulched (covered) with clear plastic tarp. Various types of organic matter may be incorporated into soil prior to
Jean S VanderGheynst +2 more
exaly +2 more sources
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Solar capillaritis as a cause of solar purpura
Clinical and Experimental Dermatology, 2009Appearance of purpura acutely after sun exposure is rare. We report a 51-year-old woman who repeatedly developed an asymptomatic petechial eruption on her legs after strong sun exposure. Investigation found an action spectrum within the ultraviolet A waveband, and histological examination of an evoked lesion found features of capillaritis.
A J, Waters +3 more
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Solar and solar-wind isotopic compositions
Earth and Planetary Science Letters, 2004With only a few exceptions, the solar photosphere is thought to have retained the mean isotopic composition of the original solar nebula, so that, with some corrections, the photosphere provides a baseline for comparison of all other planetary materials. There are two sources of information on the photospheric isotopic composition: optical observations,
Wiens, Roger C. +3 more
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Philosophical Transactions of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 2002
In this article I review the fundamentals of solar-dynamo theory. I describe both historical and contemporary observations of the solar magnetic field before outlining why it is believed that the solar field is maintained by a hydromagnetic dynamo. Having explained the basic dynamo process and applications of the theory to the Sun, I shall conclude by ...
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In this article I review the fundamentals of solar-dynamo theory. I describe both historical and contemporary observations of the solar magnetic field before outlining why it is believed that the solar field is maintained by a hydromagnetic dynamo. Having explained the basic dynamo process and applications of the theory to the Sun, I shall conclude by ...
openaire +2 more sources
Turbulence in the Solar Atmosphere and Solar Wind
Space Science Reviews, 2010The objective of this review article is to critically analyze turbulence and its role in the solar atmosphere and solar wind, as well as to provide a tutorial overview of topics worth clarification. Although turbulence is a ubiquitous phenomenon in the sun and its heliosphere, many open questions exist concerning the physical mechanisms of turbulence ...
Petrosyan, A. +8 more
openaire +3 more sources