树种耐盐临界值,应以林木生长期测定为准。
Critical value of salinity tolerance should be determined during tree growth period.
建立生长模型是研究林木生长规律的有效手段。
Establishing the growth model was an effective approach to study the growth law of forest tree.
在林木生长的地区建造道路尤其需要特别注意。
Paths built in wooded areas typically require special attention.
森林面积每年都在增加,林木生长量大于消耗量。
Forested areas have been expanding every year, with the increase in standing timber greater than that of felled lumber.
林木枯损模型是林木生长模型系统的重要组成部分。
Tree mortality model is an important part of tree growth model system.
林木生长与凋落物分解代谢及菌根真菌之间存在密切联系。
The process of forest material circulation, the growth of trees, and the catabolism of litter and ectomycorrhizal fungi are closely linked.
系统生产力的提高主要来自资源共享增益和林木生长增益;
Systematic productivity raising mainly came from the resources and tree gains;
红松林类型和林木生长情况与土壤粘土矿物学特性及其化学环境条件密切有关。
It was also found that the type and growth of the forests on the soils were closely related with the clay mineral composition of the soils and their chemical environment conditions.
酸性沉降不仅对林木生长产生直接影响,而且通过土壤还对林木产生间接影响。
The acid deposits have not only directly affected on tree growth but also indirectly through the acidification of forest soil which is probably one of the facts that cause forest decline.
用典型相关分析方法选择采样时间、确定与林木生长有密切关系的叶片养分元素。
By canonical correlation analysis, sampling time was selected, and foliar mutriment elements closely related to forest tree growth were determined.
在购物车的道路可怕的安置,导致林木生长在右侧的蒸汽,并为这样一个大洞,球道窄可笑。
The dreadful placement of the cart path has led to tree growth and a ridiculously narrow fairway for such a grand hole.
内容包括造林密度与树冠结构、造林密度与林木生长特性、造林密度与生物量等关系的研究。
The studied items include the relationship between planting density and crown structure, planting density and growth characteristics, planting density and biomass etc.
在购物车的道路可怕的安置,导致林木生长在右侧的蒸汽,并为这样一个大洞,球道窄可笑。
The dreadful placement of the cart path has led to tree growth on the right side of the steam and to a ridiculously narrow fairway for such a grand hole.
阐述了生理生化指标的特性,对与林木生长及抗性有关常用生理生化指标进行了归纳和总结。
The characteristics of physiologic and biochemical indexes are introduced and some of the indexes related to growth and resistibility are summarized in the article.
结果表明,林地的土壤含水量和蒸散量与冬季降水量相关,林木生长状况与土壤水分状况相关。
The result shows that the soil water content and evaporation amount of forest land has relations with winter rainfall, the forest growing state has relations with soil moisture state.
重点论述浙江省丽水地区花岗岩立地条件下不同前茬的杉木林的土壤性质变化及其与林木生长的关系。
Forest growth in relation to variation of soil properties variety in Chinese fir forest soils derived from granite with different preceding vegetation in Lishui region of Zhejiang Province.
造林前用双吉尔—GGR6号植物生长调节剂对华北落叶松苗进行浸根处理,可提高造林成活率和林木生长量。
The seedlings of L. principis-rupprechtii, treated by means of root soaking in GGR6, would be beneficial to raise survival rate for afforestation and to increase growth rate.
油松风景林的美景度与林木生长间的关系,一般胸径较大观赏价值较高,生长势较好林木的观赏效果也较好;
The relationship of scenic value and tree growth in Finns tabulaeformis stand is the higher DBH, the better vision effect;
把对林木生长量有直接关系的形质指标,作为单株评价的一部分,考虑在单株选择之中,作为提高单株选优质量和准确性的根据。
The morphological index when correlated linearly with tree growth in single tree evaluation of plus trees selection is thought to be a basis for increasing accuracy and quality of selected trees.
并研制出云杉多因素数量化生境质量评定表和云杉多因素数量化生境质量等级评定表,可直接预测无林地生境生产力及更新后林木生长效果。
And the site quality evaluation table and site quality grade evaluation table are made, which are capable to directly predict the non-woodland productivity capacity and the growth impression.
除了与美国相连的五大湖,加拿大还有众多的河流。 加拿大是一个雨雪量都非常丰富的国家,林木和农作物都能得到充分的水量,因而生长得茂密繁盛。
The rain and snow abound in Canada, with enough water , forests and crops grow luxuriant.
林木枯损率模型是树木生长与收获模拟系统中的一个重要组成部分。
Tree mortality model is an important part of tree growth and yield model system.
干旱半干旱区降水少,土壤水分亏缺,林木成活率低、保存率低、生长缓慢。
In the arid and semi arid area, the precipitation is little, soil moisture insufficient and low survival rate, low preserved rate and slow growing of trees.
林木枝下高直接影响树木的生长和树干形状,建立林木枝下高动态模型可以了解林木或林分的生长规律。
Under branch height has direct impact on woods growth and trunks form, so dynamic model established with under branch height can reflect the growth of woods and stands.
林木根系生长能在一定程度上降低土壤磷的固定作用,因此土壤磷的固定量和固定率从小到大依次为根际土、根区土、非根区土。
Root growth in soil can decrease phosphorus immobilization, as both the immobilization amount and its rate appear low in rhizosphere and high in unrooted bulk soil.
林木仍然处于继续生长阶段,各类型林分净生产量组成和林木层各组份净生产量的分配,都表现为基本一致的规律。
The law of net productivity composition in various stand types is basically identical with that of net productivity distribution in various forest tree organs.
象所有其他农作物,林木需要有一个充分准备的一块土地,以生长良好。
Like all other crops, trees require a well-prepared piece of land to grow well.
林木资产计价的基础工作是进行林木资产的核算,林木资产核算的难点,是要解决好林木资产的多效益、自然生长增值以及经营风险性大的问题。
The basic work is the assets accounting and the difficulty is how to solve problems of multiple benefits, rise in value of natural growth and risk of forest trees assets management.
林木资产计价的基础工作是进行林木资产的核算,林木资产核算的难点,是要解决好林木资产的多效益、自然生长增值以及经营风险性大的问题。
The basic work is the assets accounting and the difficulty is how to solve problems of multiple benefits, rise in value of natural growth and risk of forest trees assets management.
应用推荐