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The magnitude of the potential acidity of the soil depends on the type and amount of clay and organic matter. Although there is some inverse parallelism between acidity saturation and base saturation, these terms are not complementary because they have different denominators . Contrary to Al toxicity and acidity saturation, there is no direct association …
Continue reading “Tropical soils can have several acidity problems affecting crop growth”
Besides reactive oxygen species , ATs also inhibit the production of reactive nitrogen species , particularly nitric oxide , as well as their associated oxidative processes. Furthermore, release of pro-inflammatory mediators and adhesion molecules is suppressed by ATs via targeting of the respective signaling pathways, e.g., the arachidonic acid and the tumor necrosis factor -α, …
Our central claim is that the causal status effect derives from the supporting role that causal information plays in explanation. Although this idea is a long-standing theme in the study of categorization , relatively little research has directly examined how explanatory goodness relates to categorization. In this paper, we study the relationship between explanatory goodness …
What are the axes of this olfactory space? Or, in other words, do odors associated with certain parts of this space have different perceptual or physicochemical properties? Previous studies found axes that correlated with perceptual odor pleasantnes and physicochemical properties such as molecular boiling point and acidity . We checked for associations with all of these …
Continue reading “The method effectively converts the correlation matrix to its rankordered version”
Lack of nutrition education for students was the third most commonly cited barrier to successfully providing additional servings of fresh fruit. Although it was intended that the program include a nutrition education component, schools were provided with only 1 cent per meal served for all nonfood expenses related to the program, including nutrition education and promotion. …
Continue reading “Most schools either absorbed or could not quantify their nonfood expenses”
Viable and non-viable seeds in yellow starthistle seed heads are easily distinguishable based on color and shape. Because yellow starthistle requires pollination to produce viable seeds , non-viable seeds represent pollen limitation occurring during the 4-hour period that the flowers were exposed to pollinators. All seeds were counted to compare ratios of viable to non-viable …
At the time of this study, the trees in the control and treatment bioswales were fully established and approaching mature size. Measurements recorded the differences in surface runoff dynamics and pollutant reduction rates, as well as tree and shrub growth. This study provides new information on the long-term effectiveness of engineered bioswales in a region …
Continue reading “The control bioswale contained native soil and the treatment contained an ESM”
As we collect soil metagenome sequence data, we need to improve how we mine such datasets. For example, the way we conduct BLAST searches might overlook valuable information, while the unassembled reads might be too short for annotating genes with confidence. Thus, we might well need to develop new assembly and annotation algorithms. Another challenge …
Continue reading “The homogenates were then centrifuged and the supernatants were collected”
Long-term climatic cycles, such as El Niño Southern Oscillation events, could also play a role, particularly in rainfed systems that we may expect to exhibit stronger variability than their irrigated counterparts. ENSO phases have been shown to induce synchrony in masting systems, but knowledge of ENSO effects on crop plants is largely limited to annual crops. …
Continue reading “Recent trends also correspond to increasing agricultural land use over time”
The walnut industry submitted its research results for a heart health claim to the U.S. Food and Drug Administration , and the almond industry submitted its as part of a petition filed by the International Tree Nut Council Nutrition Research and Education Foundation to the FDA for a heart health claim for nuts. The FDA approved a …
Continue reading “Here we explain the general larval bio-assay protocol used throughout the paper”