拟赤杨 meaning in Chinese
alniphyllum fortunei
Examples
- It is concluded that the mixed stand can be able to be self - rich in soil fertility , which benefit the maintenance and improvement of site fertility under chinese fir plantation
表明杉木拟赤杨混交林具有良好的培肥土壤功能，对杉木人工林的地力维持和提高有重要意义。 - Through the stand investigation by setting up the sample site , the investigation results showed that the average dbh of 15 - year - old alniqhtllm fortunei planted under nature was 60 % larger than that of 17 - year - old pinus massoniana plantation under the same condition , the average tree height of the above was 38 % larger than that of the latter , the average single - tree volume of the above was 3 . 2 times higher than that of the latter , the above showed the absolute dominance in stands
摘要设立标准地进行林分调查，在标准地中选取拟赤杨标准木进行树干解析，采用生长对比方式分析拟赤杨在马尾松人工林中的生长情况，调查结果表明，在同一环境条件下， 15年生天然下种的拟赤杨比17年生马尾松人工林平均胸径大60 % ，平均树高高38 % ，平均单株材积大3 . 2倍，在林分中表现出绝对优势。 - Abstract : through a study on soil aggregate composition , nutrient status and enzymatic activity under mixed forest of chinese fir alniphyllum fortunei and pure stand of chinese fir , the results indicated that , compared to pure stand , the soil structural property was ameliorated , the soil capacity of nutrient supplying and was improved , and the soil enzymatic activity were enhanced
文摘:通过对杉木拟赤杨混交林及杉木纯林土壤团聚体结构、土壤养分状况及酶活性的研究表明，与杉木纯林相比，混交林土壤结构性能得到改善，供肥和保肥能力加强，各种土壤酶活性提高，土壤肥力较好。