1) afforestation effects
造林成效
1.
A Comparison Study on the Afforestation Effects in Different Types of Stands in Phyllostachys meyeri;
不同立地类型毛环竹造林成效的比较
2) afforestation effect
造林效果
1.
planted on loess plateau of Weibei were randomly sampled for analysis of afforestation effect.
按照立地条件的不同,采用随机抽样法对渭北黄土高原后沟作业区油松容器苗与裸根苗造林效果进行了调查和分析。
2.
Afforestation effect of Elaeagns angustiflolia in middle montains were contrasted between spring and autumn,the tests showed the afforestation effect in autumn was better.
通过沙枣在民和浅山地区春秋两季造林的对比分析,证明在干旱浅山地区沙枣秋季造林效果较好。
3.
In this paper，the investigations were made on the stand characteristics，stand structure，annualgrowth law，growth process and afforestation effect of young plantations of Pinus massoniana var．shaxiane-ses.
对沙黄松人工幼林的林分特征与结构、年生长规律、幼林生长进程以及造林效果进行了调查分析。
3) effective silviculture
高效造林
4) Planting effect
造林效果
1.
The planting effect and economic benefits of the provenances of Pinus elliottii var.
以福安市1991年引种的湿地松、桐棉马尾松为对象,进行造林效果和经济效益分析。
2.
The investigations and analyses show that the planting effects of nakedrooted Pinus massoniana seedlings with cutting roots and transplanting or with cutting roots are best,the root system develops,which may raise planting survival rate and young forest growth,and besides,the planting cost is moderate,whereas the planting effects of conventional nakedrooted seedlings are bad.
从马尾松不同处理苗木造林3年生调查分析表明,马尾松截根移栽或切根裸根苗造林效果最好,根系发达,可提高造林成活率和幼林生长,且造林成本适中,而常规裸根苗造林效果差。
6) low yield forest rebuilding
低效林改造
1.
This paper states that forest tending and low yield forest rebuilding is the effective approach of resuming forest ecology system.
本文着重论述了加强森林抚育低效林改造是恢复森林生态系统的有效途径及其可行性和必要性。
补充资料：成效
效果；功效：成效卓著｜初见成效。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条