Several New Aspects of the Foraging Behavior ofOsmia cornifronsin an Apple Orchard
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چکیده
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an inverstigation into the shrinkage behavior (kinetics) of microfilled hybrid and nano dental composites
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15 صفحه اولHow to Plant Apple Trees to Reduce Replant Disease in Apple Orchard: A Study on the Phenolic Acid of the Replanted Apple Orchard
Apple replant disease (ARD) is an important problem in the production of apple. The phenolic acid is one of the causes of ARD. How phenolic acid affects the ARD was not well known. In this study, we analyzed the type, concentration and annual dynamic variation of phenolic acid in soil from three replanted apple orchards using an accelerated solvent extraction system with high performance liquid...
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Using static chambers and gas chromatography, nitrous oxide (N2O) fluxes from an apple orchard soil in the Bohai Bay region of China were measured from February 2010 to February 2011. In this study, two nitrogen (N) fertilizer treatments were designed--without (CK) or with (SN) synthetic N fertilizers (800 kg N ha(-1)). The annual cumulative N2O emissions from CK and SN were 34.6 ± 3.0 (mean ± ...
متن کاملTimescale effects on the environmental control of carbon and water fluxes of an apple orchard
Model parameterization and validation of earth-atmosphere interactions are generally performed using a single timescale (e.g., nearly instantaneous, daily, and annual), although both delayed responses and hysteretic effects have been widely recognized. The lack of consideration of these effects hampers our capability to represent them in empirical- or process-based models. Here we explore, usin...
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Regular monitoring and assessment of crops is one of the keys to optimal crop production. This research presents the development of a monitoring system called the Crop Monitoring and Assessment Platform (C-MAP). The C-MAP is composed of an image acquisition unit which is an off-the-shelf unmanned aerial vehicle (UAV) equipped with a multispectral camera (near-infrared, green, blue), and an imag...
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ژورنال
عنوان ژورنال: Psyche: A Journal of Entomology
سال: 2010
ISSN: 0033-2615,1687-7438
DOI: 10.1155/2010/384371