n. 废物袋(汽车等处用以盛放果壳碎纸等的小塑料袋或小纸袋)
Decomposition of mixed foliar litters from the four typical plantitions in upper reaches the of the Minjiang River was studied by using the litterbag method. 摘要采用尼龙分解袋的方法,对四川岷江上游地区连香树、云南松、糙皮桦和云杉4种典型人工林凋落叶进行田间混合分解试验。
With the litterbag method,the decompositions of two submerged macrophytes(Potamogeton pectinatus and Potamogeton crispus)growing in WuLiang SuHai Lake were in investigated in 58 days consecutively. 利用分解网袋法,对乌梁素海两种优势沉水植物进行了连续58天的室内腐烂分解试验,分析研究了不同水体营养盐浓度下这两种植物的干重损失及其氮、磷的消减过程。
litterbag method 米槠