Global ETD Search
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Showing 1 to 3 of 3 for “"soil macronutrient"”.
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The effect of oily waste and nutrient amendments on soil fertility and oat growth
… conducted with a sandy, marginal agricultural soil from the Brown soil zone near Richmound, Saskatchewan. The objective of the study was to determine how oily waste from heavy oil upgrader affects soil fertility, plant growth and microbial activity under controlled environmental conditions. The …
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Effects of Land-Use History on Soil Macro- and Trace Elements in the Southern Piedmont of North America
… use histories affect the rate and pattern of soil nutrients at regional and global scale. However, former studies have rarely focused on soil trace elements (B, Mn, Zn, Cu and Fe). In this study, we aimed at the long-term biogeochemical cycling pattern and spatial heterogeneity of soil trace …