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Air-soil exchange of mercury from background soils in the United States.
The air-surface exchange of mercury (Hg) was measured, using a dynamic polycarbonate flux chamber, for soils with low or "background" Hg concentrations (<0.1 mg/kg) at eleven locations across theExpand
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Effects of cereal grain supplementation on apparent digestibility of nutrients and concentrations of fermentation end-products in the feces and serum of horses consuming alfalfa cubes.
Twenty geldings (five groups; similar age and BW) were used in a completely randomized design experiment to determine effects of grain supplementation of an alfalfa-cube diet on apparent nutrientExpand
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Fine root growth dynamics of four Mojave Desert shrubs as related to soil moisture and microsite
Water is generally considered to be the major limiting factor for perennial shrub growth in the Mojave Desert, USA. However, the responses of active fine roots to soil moisture and microsite differedExpand
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Variation in the establishment of a non-native annual grass influences competitive interactions with Mojave Desert perennials
Competition between native and non-native species can change the composition and structure of plant communities, but in deserts, the highly variable timing of resource availability also influencesExpand
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Assessing the source of mercury in foliar tissue of quaking aspen.
Foliar accumulation of mercury has been demonstrated to occur as plants leaf out, yet the primary source of this mercury is not known. Using closed-system growth chambers, uptake of mercury byExpand
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Mercury and plants in contaminated soils: 1. Uptake, partitioning, and emission to the atmosphere
The uptake, distribution, and subsequent emission of mercury to the atmosphere were investigated in five plant species (Lepidium latifolium [L.], Artemisia douglasiana [Bess in Hook], Caulanthus sp.Expand
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Model Selection in PROC MIXED - A User-friendly SAS® Macro Application
TLDR
A user-friendly SAS macro application to perform all possible model selection of fixed effects including quadratic and cross products within a user-specified subset range in the presence of random and repeated measures effects using SAS PROC MIXED is available. Expand
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Discriminant Analysis , A Powerful Classification Technique in Data Mining
TLDR
Data mining is a collection of analytical techniques to uncover new trends and patterns in massive databases. Expand
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Residual Analysis and Data Transformations: Important Tools in Statistical Analysis
Analysis of variance (ANOVA) is a commonly used statistical analysis in agricultural experiments. Additivity, variance homogeneity, and normality are often considered prerequisites for ANOVAExpand
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