الفهرس 
المقدمةOnly 14 pages are availabe for public view
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Abstract
The current study was conducted to explain the following points :1-Survey on mites occuring in orchard trees.2-Population density of mites on foliage from different orchard trees.3-Some ecological factors influencing mite population density in orchards.4-Survey on soil mites under orchard trees.5-Population density of soil mites.6-Effect of some ecological factors on the population density of soil fauna.7-Survey of mites on tree foliage.8-Mite population dynamics.