因为这里是幼林，而铁柱是老的。
结果表明，桉树幼林高生长是平衡的。
The result showed that the height growth behavors of the species were unsteady.
但近期森林不断减少，疏幼林和荒山面积逐渐扩大。
However, the recent steady decline in the forest, young forest, and barren hills and sparse area gradually expanded.
在阳江罗琴林场连续4年进行了加勒比松幼林环境观测。
The article analyses the soil fertility degradation in yangjiang Caribbean pine planting site, the project has been carried out for 4 years.
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;
经成效分析得出工程造林质量高，幼林生长迅速、丰产、优质。
The analysis draws conclusions that engineering afforestation is of high quality and young forests are of fast growing, high yield and superior quality.
建立了幼林经济允许损失率的动态模型及相应的防治指标动态模型。
The control indexes of saplings from cuttings and saplings from roots were determined, and the dynamic models for economic injury damage rate as well as control index were established for young trees.
此外，马尾松幼林的小气候效应与活地被物恢复和林冠郁闭密切相关。
Microclimate effects of the forests have a direct bearing on the restoration of ground vegetation and canopy closure.
今天有人告诉我非洲那些幼林失火了，可是高格根本不想听火灾的事。
Today, someone told me about some fires in the new forest here in Africa, but Gog doesn't want to hear about those fires.
今天有人告诉我非洲那些幼林失火了，可是高格根本不想听火灾的事。
Today, someone told me about some fires in the new forest here in Africa; but Gog doesn't want to hear about those fires.
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.
时报书籍编辑大卫．幼林星期日在纽约出席了一个全国书评界董事会会议。
Times book editor David Ulin was in New York City for a National Book Critics Circle Board meeting Saturday.
年，对桂东南马尾松工程幼林郁闭过程的生态环境变化进行定位观测研究。
The observation method of fixed position was used to study the characteristics of ecological environment in closing process of engineering young forest of Pinus massoniana Lamb from 1991 to 1996.
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.
本文应用统计分析方法研究了不同抚育措施对水曲柳、胡桃楸幼林生长的影响。
This paper use the method of statistics to study effect of different tending measures on the growth of manchurian ash and walnuts young plantation.
运用所拟合的数量化回归模型预测马尾松幼林的树高和胸径可达到较高的精度。
The fitted quantitative regression models could be used to forecast height and DBH of the young stands, and the forecast precision was high.
结果表明：（1）沙棘林中中龄林土壤肥力质量最高，过熟林较低，幼林最低；
It showed that:(1) soil fertility quality of the middle age hippopHae rhamnoides was highest, the overriping was the second and, the sapling was the lowest;
容器苗造林效果好于裸根苗造林效果，幼林树高、地径、春梢长都明显好于裸根苗。
The effect of afforestation of container seedling is better than bare root seedling, the height, diameter, spring tip growth of yong tree is better than the afforestation of bare root seedling.
分期造林试验结果表明，月平均气温、月降雨量对桉树幼林白蚁为害率的影响极显著。
Based on experiments of planting by stages, month average temperature and month rainfall depth showed very significant effects on damaging rates of termite on young Eucalyptus stand.
利用土壤养分状况系统研究法，对江西宜春油茶幼林土壤进行了养分限制因子的研究。
According as the systematic approach for soil nutrient status, the nutrients limiting factors of the young oil-tea soil in Yichun of Jiangxi were studied.
采用田间试验的方法，研究杨树幼林与小麦间作系统中，设置根障对小麦生长和产量的影响。
The effect of root barrier on wheat growth and yield was studied in the system of poplar young growth intercropping with wheat by means of farm testing.
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.
在生产上提倡使用有机肥以促进南方红豆杉幼林的生长和生物量积累，同时不影响紫杉醇的合成。
It was demonstrated that organic fertilizers could be applied to promote the growth and biomass accumulation of T. chinensis var. mairei seedlings, without the impact on the biosynthesis of taxol.
分析了白皮松的群落学特征、径级结构及其密度变化规律；绘制了存活曲线和死亡曲线，从多角度研究了白皮松幼林种群的动态变化规律。
The community feature, size-class structure, the regulation of changing density were analyzed and the survival curve, the death curve and the life table were worked out.
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。
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.
对等密度107杨幼龄林进行一次性施肥灌溉措施对比试验，结果表明，一次性水肥措施对其幼林未郁闭前各龄期胸径生长量和郁闭度均有促进作用。
Comparative experiments was conducted on the effect of one-time irrigation and fertilization on the DBH and crown density of young 107 poplar plantations of even planting density.
该文通过采用土壤结构改良剂水解聚丙烯腈处理黄绵土，以探讨幼林地土壤管理的有效措施。试验结果表明：土壤结构改良剂改良黄绵土的效果非常显著。
To take effective measures for management of young growth land, the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.
该文通过采用土壤结构改良剂水解聚丙烯腈处理黄绵土，以探讨幼林地土壤管理的有效措施。试验结果表明：土壤结构改良剂改良黄绵土的效果非常显著。
To take effective measures for management of young growth land, the soil structure improver hydropolyacrylonitrile was used to treat Huangmian soil in the experiment.
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