Leaf Management Articles
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Worst Water Weeds #3: Duckweed
Duckweed makes our list of worst water weeds because it can be a huge nuisance to ponds and other still water bodies. There are many different species of this flowering floating aquatic plant, most of which are native, but at least one of which is exotic. What they all have in common, however, is that with the right conditions, they can become incredibly invasive and wreak havoc on other native ...
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Scripps personalizes leave management thanks to Presagia - Case Study
Industry: Healthcare Location: San Diego, California Founded: 1924 Employees: 14,000 Objectives: Improve employee satisfaction Simplify internal process Increase staff's efficiency Scripps Health is a San Diego-based health care system committed to providing consistent, quality care to patients across its 40+ facilities. To do so, Scripps remains dedicated to treating not only its ...
By Presagia
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Allianz Worldwide Partners saves time managing leave with Presagia - Case Study
Industry: Insurance U.S. Headquarters: Richmond, Virginia Founded: 1983 Employees: 700+ Objectives: Optimize department's efficiency Save time managing leave Increase compliance with various levels of leave legislation Formed by merging three of Allianz global entities in 2014, Allianz Worldwide Partners provides specialty insurance and assistance services to millions of ...
By Presagia
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Heterogeneous photodegradation of methylene blue with iron and tea or coffee polyphenols in aqueous solutions
Recently, we developed two new Fenton catalysts using iron (Fe) and spent tea leaves or coffee grounds as raw material. In this study, Fe-to-tea or Fe-to-coffee polyphenol complexes were successfully tested as heterogeneous photo-Fenton catalysts. The photodegradation efficiency of methylene blue solutions with Fe-to-polyphenol complexes was higher than that of homogeneous iron salts in the ...
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Sorption, uptake and biotransformation of 17β‐estradiol, 17α‐ethinylestradiol, zeranol and trenbolone acetate by hybrid poplar
Hormonally active compounds may move with agricultural runoff from fields with applied manure and biosolids into surface waters where they pose a threat to human and environmental health. Riparian zone plants could remove hormonally active compounds from agricultural runoff. Therefore, sorption to roots, uptake, translocation, and transformation of three estrogens (17β‐estradiol, ...
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Adsorption characteristics of methylene blue onto agricultural wastes lotus leaf in bath and column modes
The adsorption potential of lotus leaf to remove methylene blue (MB) from aqueous solution was investigated in batch and fixed-bed column experiments. Langmuir, Freundlich, Temkin and Koble–Corrigan isotherm models were employed to discuss the adsorption behavior. The results of analysis indicated that the equilibrium data were perfectly represented by Temkin isotherm and the Langmuir saturation ...
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Recreating a functioning forest soil in reclaimed oil sands in Northern Alberta: an approach for measuring success in ecological restoration
During oil-sands mining all vegetation, soil, overburden, and oil sand is removed, leaving pits several kilometers wide and up to 100 m deep. These pits are reclaimed through a variety of treatments using subsoil or a mixed peat-mineral soil cap. Using nonmetric multidimensional scaling and cluster analysis of measurements of ecosystem function, reclamation treatments of several age classes were ...
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Herb layer productivity under different light gaps in the forests of Western Ghats of Karnataka, India
A productivity estimation of tree, shrub and herb layer biomass was undertaken in Uttara Kannada, a Western Ghats district in Karnataka in differentially managed forests. In addition to biomass, light gap in these sample sites was also estimated to understand the relationship between the light interception pattern at different canopy layers and their productivity. The studies indicate that tree ...
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