【Key words】 cellulase; cellulase composition; deinking; old newspaper
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在杏园和苹果园覆盖麦草，研究其对土壤腐殖质组成、微生物区系及土壤酶活性变化的影响。
The experiment was carried out to evaluate effects of covering wheat straw in apple orchard and apricot orchard on soil humus composition, microflora and soil enzyme activities.
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