造林

As the major tree species for forestration in Hilly region on the Loess Plateau, Robinia pseudoacacia and Hippophae rhamnoides can only grow normally in habitant with better soil water condition due to the limited drought resistance of H.

作为黄土高原的主要造林树种，沙棘的抗旱性最差，而刺槐的耐旱性最差，它们都要在土壤水分条件较好的生境才能正常生长。

Recently, the news spread from HOMY Hongji, the company works to increase the intensity of investment in reforestation, to the wooden floor raw materials resources to implement tougher controls.

近日，从HOMY鸿基传出消息，公司拟加大造林工程的投资力度，欲对木地板原材料资源实施强硬控制。

The RCI were 0 almostly.Therefore the whole, cotton was suitable intercrop at first year.

因此，综合来看，在造林的第一年，选择棉花作为间作物较为适宜。

When we start a landscape design of expressway from Xichang to Panzhihua , the first, Dodonaea viscosa, Lantana camara, Jatropha curcascim were chosen, which had such characteristics as adapting reginonal climate, corresponding with purpose of restoration, and self-renewal, whose maintenance and investment were lower.

在进行西攀高速公路绿化景观设计时，优选出适合当地气候、符合恢复目标、在路域附近的植物群落具有自我更新能力、养护成本较低的植物有车桑子、五色梅、小桐子，它们能够与环境协同进化；由外地引进的树种如新银合欢、台湾相思经造林实践检验有更广泛的适应性，作为先锋树种是适宜的；从光合特性测定值比较五色梅、棕榈、加杨、香樟、赤桉、丝兰、石榴水分利用效率较高，其个体生态特性表现出较强的耐干旱能力。

Liriodendron Chinese is a superior virescence forestation specie, also a paper pulp-making and veneer-making specie in south China.

马褂木是我国南方优良的造林绿化树种，也是山地丘陵地区优先发展的纸浆纤维材和胶合板用材树种。

China has the largest area of man-made forests in the world.

中国是世界人工造林面积最大的国家。

The microclimate and water in both preservation and silviculture belts were studied.

比较分析了保留带与造林带的小气候和水分效应。

The productive forest land area withinthe montane forest is about 1.5 mil-lion hectares, of which almost halfis protected.

山地森林内的造林地土地面积约一百五十万公顷，其中几乎一半土地得到保护。

Tall California cypress endemic on Monterey Bay; widely used for ornament as well as reforestation and shelterbelt planting.

蒙特里杰克湾的地方树种，是一种高大的加州柏木；用于装饰、重新造林和建造防护林。

The multiple correlation coefficient was up to 0.9, T test shows that the dominant heights of Gugertree plantations were significantly correlated to the factors used.

坡形、土壤A+AB层厚度、质地、紧实度和经营水平是最重要的因子，坡位、坡向和造林地前身也有一定的作用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。