# Browse Dissertations and Theses - Crop Sciences by Subject "Environmental Sciences"

• (1990)
An investigation was carried out into the chemical nature and further transformation of fixed liquid anhydrous NH$\sb3$ with emphasis on chemical fixation of NH$\sb3$ by soil organic matter. For this purpose, $\sp{15}$N-labeled ...

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• (1991)
Atrazine, alachlor and metribuzin are three widely used herbicides which have been detected in groundwater. Increased concerns over pesticide use have stimulated interest in developing formulations that reduce environmental ...

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• (1994)
Laboratory studies were conducted to gain information about the environmental properties of the soil-applied herbicide clomazone. The effects of soil microbial activity, temperature, and moisture on clomazone fate were ...

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• (2005)
The final objective was to adapt a recently developed cytogenetic technique for use in anurans. The primed in situ labeling (PRINS) technique was applied to localize a specific developmentally important DNA sequence in ...

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• (1994)
The intensive use of agrichemicals to achieve greater crop production has increased the potential for surface and groundwater contamination. As a consequence, there is a need for regulations and improved management strategies ...

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• (1992)
Pesticide use on coarse-textured soils frequently leads to groundwater contamination. Based on the fact that organic carbon is the primary contributor to pesticide sorption in soil-water systems, a resolution of this problem ...

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