Henry L. Lucas

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1. The specific gravity-dry matter relationship of potatoes grown in North Carolina was determined. 2. Location of production and variety of potato had a statistically significant effect on the specific gravity-dry matter relationship. Size of tuber was not significant but appeared to be somewhat greater than the effect of variety. These factors, though in(More)
Hassell andVarley described a negative relationship between the Nicholsonianarea of discovery and parasitoid density that permits coexistence of two or more parasitoid species and yields stability. They ascribed the relationship to “mutual interference” among searching parasitoid adults, leading to a “decreased efficiency”. This matter has recently been(More)
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