Young forest

The rate of young forest was increased from 10 % to above 80 % .

幼林保存率由10%提高到80%以上，并使草甸化的迹地；

Effect of Different Site Preparation and Application Modes on Pinus massoniana Young Forest Growth

不同整地和施肥方式对马尾松幼林生长的影响

Study on the Dynamics of Lost Amount of Soil and Water in Young Forest of Chinese Fir

杉木幼林地水土流失动态研究

And the young forest at the age of 3 to 5 may be as the cutting source .

3～5年生幼林可做为穗条来源。

Kinematic Analysis and Design of the Deep-digger for Young Forest and Orchard

幼林和茶园深翻锄的设计及运动分析

Effect of Different Soil Preparation and Tending on Young Forest Growth of Sequoia sempervirens

不同整地方式及抚育措施对北美红杉幼林生长的影响

Surveys of Young Forest Diseases and Insect Pests on Afforestation Sites of the World Bank

永泰县世行项目造林地幼林病虫害调查

The improve of water conservation abilities of soil were marked in each forests compared with young forest land .

不同植被类型的土壤层对水分调蓄状况较云杉幼林地明显提高。

Effects of Straw Mulching on Soil Temperature and Fresh Tip of Camellia Oleifera Young Forest

稻草覆盖对油茶幼林林地土壤温度及新梢的影响

Changing characteristics of ecological environment in closing process of Engineering young forest of Pinus massoniana in SE Guangxi

桂东南地区马尾松工程幼林郁闭过程的生态环境变化特征

In the young forest , Lespedeza davidii showed good adaptability as native tree species .

在幼龄林中，大叶胡枝子展现出本土树种良好的适应性。

Studies on the Growth and Contents of Nutrients of Young Forest of Pinus massoniana Treated with Different Fertilizers

不同施肥处理马尾松幼林生长及其营养元素含量的研究

Studies on Afforestation Techniques of Schima superba and Increment of Its Young Forest

木荷造林技术及幼龄林生长量的研究

Genetic Variation for Growth Traits of Family Progeny Young Forest in the Second Generation Seed Orchard of Chinese Fir

尾叶桉优良家系子代的遗传变异研究杉木二代种子园家系子代幼林生长性状遗传变异

Redistribution Characteristics of Soil Water and Salt After Drop Irrigation in Young Forest Stands in Lower Reaches of the Tarim River

塔里木河下游地区新生林地滴灌后土壤水盐再分布特征

Use of PVC fencing sheath to reduce rodent damage to young forest stands of converting the land for forest

应用PVC防护套防御退耕还林区幼龄林木鼠害

The richness index , diversity index and evenness index of understory plant show mature forest > young forest > middle aged forest

林下植物的物种丰富度指数、各多样性指数和均匀度指数均表现出成熟林>幼龄林>中龄林的趋势

However , the recent steady decline in the forest , young forest , and barren hills and sparse area gradually expanded .

但近期森林不断减少，疏幼林和荒山面积逐渐扩大。

The problems in the young forest tending and thinning in Huangping County were analyzed , and the countermeasures were presented .

对黄平县中幼林抚育间伐存在的问题进行了分析，并提出了相应的对策建议。

The root respiration rate and percentage of root respiration to total soil respiration of the young forest were higher than those of the mature forest .

幼林根系呼吸速率和根系呼吸占土壤总呼吸的比例均高于成熟林。

Tests in Green Manuring under Young Forest of Platycladus orientalis in Arid Areas Study on the soil water balance of artificial forestland in arid region

干旱地带侧柏幼林地绿肥种植研究干旱地区人工林地土壤水分平衡的探讨

In asset evaluation on young forest growth , however , this method is limited in some aspects , which affects the accuracy in evaluating the assets of young forest growth .

但是在幼龄林资产评估中该方法还存在诸多局限性，影响了幼龄林资产评估的准确性。

The height distribution kurtosis was sharper in young forest stage ( kurtosis value greater than 0 ), and was flatter in the middle stage .

树高分布峰度在幼龄林阶段较尖锐（峰度值大于0），在中龄林、成熟林阶段较为平坦。

As a result of zokor demolition , damage rate of young forest was 10 % ~ 20 % and some achieved 70 % ~ 80 % .

由于鼢鼠破坏活动，幼林受害率轻者为10%~20%，重者达到70%~80%。

InSAR Technology and Its Application to Estimate Stand Average Height It is suggested that controlling this disease should be put stress on the middle and young forest under 10m .

防治该病的重点应放在林分平均高不超过10m的中、幼龄林。

The young forest tending method is majorly adopted at the relative stable stage , whereas it is proper to loosen the soils and weed locally ;

相对稳定期主要采取幼林抚育方法，而以局部松土除草为宜；

Benefits from different kinds of soil preparation measures to soil physical properties , soil infiltration , soil moisture dynamics and survival percentage and growth of young forest plantation are studied systematically .

本文从土壤物理性质、土壤入渗、土壤水分动态以及造林成活率和幼林生长量等几个方面对不同整地工程的效益进了研究。

The cultivation technology such as seed collection , seedling raising , planting , and the methods for promoting the early fruiting and high yield of young forest was introduced as well .

又从采种育苗、造林技术、促进实生幼林早实早丰技术等方面，记述了青刺果的人工栽培技术，为建立青刺果人工原料基地提供了技术支持。

For young forest , half-release cutting is benefit to the formation of vertical stand structure , full utilization of environmental resources , decrease of competition and enhance of forest productivity .

最后，根据乌道特公式证明，幼林半透抚育效果良好，有利于形成复层结构的林分，充分利用环境资源，减少竞争，提高森林生产力。

Different treatments have different degree of influence . The fertility of soil quality comprehensive evaluation results showed that the active selenium is applied to forest and young forest , and the soil fertility index has increased .

不同处理对各指标的影响程度不同，土壤肥力质量综合评价结果表明，施用活性硒元后，成林与幼林土壤肥力质量指数均有所增加。