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- Soil fertilities of three young broadleaf mixed plantations were compared with those of a Cunninghamia lanceolata plantation. 摘要研究了3种阔叶混交幼林的土壤肥力,并将其肥力特征与杉木幼林进行对比研究。
- broadleaf mixed plantations 阔叶混交林
- Establishment of the broadleaf mixed forest is of effects in grass protection and lifestock raising and beneficial to establishing forest?grass integrated management model. 沙地草地阔叶树混交林的营建,发挥了以林保草、以林促牧的作用,有利于建立林草复合经营模式。
- The paleovegetation was mainly conifer and broadleaf mixed forest, however, with conifer dominated forests and broadleaf dominated forests alternative from time to time. 古植被主要为以针叶树为主的针阔混交林,但存在针叶林和阔叶林面积来回摆动的情况。
- The dominant community of Abies beshanzuensis phyto-group is evergreen Cyclobalanopsis multinervis and deciduous Fagus lucicla, which is a natural broadleaf mixed forest. 百山祖冷杉森林植物群落的优势种群是由常绿的多脉青冈和落叶的亮叶水青冈组成,是一个比较特殊的天然的常绿与落叶阔叶混交林。
- The effect of the shrub layer, herb layer and ground layer on the habitat use was related to the food and shelter conditons in the coniferous and broadleaf mixed forests. (3)各种灌木层、草本层和地被层因子在白颈长尾雉栖息地中食物条件和隐蔽条件方面发挥重要作用。
- Beneficial changing and improvement of the soil physical and chemical properties, microorganic properties and erosion control capacity in the mixed plantations are discussed in this paper. 讨论了人工混交林对林地土壤理化性质、微生物及水土保持等方面的改良和促进作用。
- Energy characteristics of alder cypress mixed plantation ecosystem. 人工桤柏混交林生态系统的能量特征
- In A layer Dark-brown earths, SOC and TN from mixed plantation, Birch forests and Mongolian oak plantations in turn decreased significantly. 结果表明:A层土壤中土壤有机碳、总氮含量及土壤微生物占绝对优势,且因土壤类型和林分的不同而有着显著差异。
- secondary conifer and broadleaf mixed forest 次生针阔混交林
- mixed plantation of conifer and broadleaf 针阔混交林
- conifer and broadleaf mixed forest 针阔混交林
- mixed plantation of coniferous and broadleaf 人工针阔混交林
- Among the man-made forests,the distance index of the coniferous mixed plantation is the lowest,and its pattern is nearly glomeration. 人工林中,人工针叶混交林的距离指数最小,格局接近于团聚分布;
- The mixed plantation of Cunninghamia lanceolata and Liquidambar formosana was positioned and investigated based on its growth and interaction with ecological environment. 摘要从林木生长及其与生态环境之间相互关系入手,对杉木枫香混交林与枫香、杉木纯林进行了定位调查研究。
- The tea plantations stretch far into the distance over the hills. 山坡上的茶园一直延伸到很远的地方。
- Don't mix up this pair of synonyms. 别把这两个近义词混淆了。
- He has mixed with crowd together but has not found. 他已同人群混杂在一起而找不到了。
- He finds it hard to mix at parties. 他感到很难在聚会上与人攀谈。
- There are a lot of rubber plantations in this region. 这个地区有许多橡胶园。