【Key words】 High-yield field; soil; humus composition;
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soil humus composition 土壤腐殖质组成
composition of humus 腐殖质组成
composition of soil humus 土壤腐殖质组成
·2,447,543篇论文数据,部分数据来源于NoteExpress
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.
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。
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