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Showing 1 to 4 of 4 for “"textural class"”.
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Estimating site susceptibility to Scotch broom dominance in young Douglas-fir plantations for control prioritization in western Washington, USA
… site index models based on mean stand elevation class, Mean stand elevation class and clay class, textural class and slope class, and textural class and Mean stand elevation class. In Chapter 2, we used paired field plots to examine Douglas-fir and Scotch broom competition on 19 sites across …
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Some properties of Washington County soils and their relation to soil type and plant growth
… of reference to literature. 4. Soils of the same textural class varied widely in percentage colloids. 5. Soils that are relatively high in available potash varied widely in base exchange capacity, pH, percent base saturation, and available phosphate. 6. Soils at like pH values showed no …
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On-site effects of accelerated erosion on direct-physical soil quality indicators
… two areas were selected. These areas were then classified as Not Visibly Eroded (NVE) and Visibly Eroded (VE). Each measurement in all site was done in those area classified respectively. The most stable structure and consistency were observed in NVE areas. Medium and large stones were observed …
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Influence of site factors and vascular conductivity on the development of procerum root disease
… plots were established in a variety of drainage classes in two Christmas tree plantations. Leaf conductance was monitored periodically in conjunction with measurements of soil factors to assess the role of abiotic factors on foliar symptom expression. At the termination of the field monitoring, …