幼林抚育

化学除草技术在杉木幼林抚育中的应用

Application of chemical weeding in tending of Chinese fir young plantation

天山云杉人工幼林抚育间伐的研究

A Study on Tending Thinning of Shrenk Spruce Young Stand

杉木幼林抚育技术的综合评价和决策

Synthetical evaluation and strategy of tending techniques in young Chinese Fir Plantation

福建省中幼林抚育间伐现状分析与对策研究

Present Situation and Counter-measures of Tending Thinning of Middle-aged & Young Plantations in Fujian

幼林抚育对苗木成活和生长的影响

Influence on Survival and Growth of Staddle Tending

用于杉木幼林抚育的化学除草剂配方优化研究

Optimum Formulates of Chemical Herbicides Applied in Young Chinese fir Plantation for Weed Control

落叶松速生丰产林幼林抚育实验研究初报

Study on tending of young growth of larch 's quick growing and high yield forest

减少幼林抚育次数，提高抚育工效5.8倍。

It diminished times of seedling culture and raised culture efficiency of 5.8 times than before .

简述和分析了化学除草技术在桉树幼林抚育中的技术措施、效果和效益。

Technical measures , effects and benefits of chemical weeding in young eucalypt plantation tending were analyzed in this paper .

结果表明：落叶松幼林抚育方式以采取2,2,1次连续3年的抚育为好。

The results showed continous tending 3 years using 2.2.1 style was good for tending of young growth of larch .

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

化学除草剂在刺槐林改造更新中的应用技术研究用于杉木幼林抚育的化学除草剂配方优化研究

A Technique of Using Chemical Herbicides to Improve Black Locust Forests Optimum Formulates of Chemical Herbicides Applied in Young Chinese fir Plantation for Weed Control

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；

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

在保证造林成活率和保存率的基础上，用于整地和幼林抚育方面的经费越少，经济效益则越高。

On the base of assuring survival rate and conserving rate , the less the fee used in soil preparation and young growth tending is , the higher the economic benefit is .

马尾松幼林不同抚育方法效果调查

Investigations on Effect of Different Tending Methods on Young Pinus massoniana

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。

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 .

华北片麻岩山地幼林地集水保墒抚育技术研究

Tending Technique for Young Plantations of Water-harvesting and Moisture-conserving in Gneiss Mountainous Area of North China

化学除草剂及不同农艺措施对青海高原农田杂草防治效果的研究杉松幼林的化学除草抚育成效

Study on the Control Effect of Chemical Herbicide and Different Agricultural Measurement to the Farmland Weeds of Qinghai Highland

对杉木二代幼林采用3种抚育方式：①全面劈草；

Three tending modes were adopted for the second-generation young forests of Cunninghamia lanceolata : 1 Wholly chopping down weeds ;

1991～1996年，采用五点式布点法，对广西桂平市马尾松工程林幼林期病虫害进行连续定位监测。常用除草剂在幼林除草抚育中的效益试验研究

During 1991 ~ 1996 , pests in pine engineering young growth ( Pinus massoniana Lamb . ) The Experimental Study on the Benefits of Common Weed Killers in Weeding Tending of Young Forests