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Mainly used for grain, vegetables, orchards, tree farms, nurseries, lawns, flowers and all kinds of economic crops, irrigation, cooling, antifrost.

主要用于粮田、蔬菜、果园、林场、苗圃、草坪、花卉及各种经济作物的灌水、降温、防霜。

The choiceness varieties of Canarium album were tested in three different places of Guangdong. The study researched the 3-4a trials after engrafting, the results were as follows:(1) The results of variance anaylsis indicated that there were highly significant differences in yield per plant and yield per crown projection area among clones, and the height, stem diameter and crown side were highly significant in some test sites. It showed that genetic diversity existed in yield per plant among clones, and selecting high yield clones were effective.

在高州市大坡镇、古丁镇以及茂名市八一林场三个试点开展橄榄优良品系扩大试验,嫁接后第3年及4年的结实及生长结果如下:(1)方差分析结果,无性系间单株产果量、单位树冠投影面积产果量均达极显著差异水平,树高、径粗和冠幅在有的试点达极显著差异、有的试点无显著差异,表明无性系间结实存在着真实的遗传差异,通过无性系测定选择的高产无性系有效。

This study applied the response surface design to investigate the response of nitrogen, phosphorus and potassium on the growth of naturally regenerated chamaecyparis stand in Chi-lan-shan, and to investigate the response of thinning, pruning and fertilizing on the growth of Calocedrus formosana stand in Forest Station of National ILan University.

本研究以反应曲面试验设计,於栖兰山桧木天然更新林地进行氮、磷、钾施肥试验,另於国立宜兰大学实验林场台湾肖楠人工林进行疏伐、修枝、施肥试验。

The idea, says James Watson, BioJoule's co-founder, is that farmers would grow coppiced willow trees which could be processed into wood chips and then transported to a conversion plant to be turned into ethanol.

公司的合股人詹姆斯·沃森表示他们计划由林场工人先将其生长的灌木柳断成碎木片,然后送进转换化工厂制成乙醇。

Nitrogen and phosphorus concentrations, N:P ratio, nutrient retranslocation efficiency of mature and senescent leaves in pure and mixed protection forest of Betula luminifera and Cunninghamia lanceolata were discussed in this paper.

以福建省三明市郊国有林场的光皮桦、杉木为研究对象,探讨了纯林和混交林成熟叶与衰老叶中的养分状况、氮磷比、养分内转移率以及它们之间的关系。

The study on hydrological process and nutrient dynamics of Dendrocalamus latiflorus stand ecosystem was conducted in Nanjing National Forest Farm, Fujian Province.

在福建省南靖国有林场的小山城工区设置试验地,进行了麻竹林生态系统水文特征和养分动态研究。

Because of the influences by temperature, humidity and other factors, the development of the pest is not uniform, with generation overlapping. Dendroctonus valens ; bionomics ; Pinus tabulaeformis

红脂大小蠹属于检疫性危险害虫 [6],明确其在陕西发生区的生活史,对于指导防治具有现实意义。1 研究方法1.1 野外设点观察在韩城市雷寺庄林场泉子沟选择直

The studies on the dionomics of Dendroctonus valens show that this pest overwinters mainly as adult or 3~4 larva in roots of pine at Hancheng region in Shaanxi Province. It occurres 2 generations one year by adult overwintering and 1generation one year by larva overwintering.

红脂大小蠹原产北美洲 [1~3], 1996年随木材贸易传入我国, 2001年发现于陕西省黄龙桥山林区,现已在延安和渭南地区发生危害,涉及 4个县的 18个林场,主要危害 20a生以上油松活立木的基部和根部,以成虫和幼虫蛀食树体韧皮部,短期内可导致被害木枯萎死亡。

In this research, we investigated the edaphon community structure from Gaofeng forest-farm Eucalyptus plantation in Guangxi Nanning by PCR-RFLP technique and 16S rDNA sequence analysis.

本研究利用限制性内切酶片段长度多态性和16SrDNA序列分析相结合的方法研究了广西南宁高峰林场人工桉树林中土壤微生物的群落结构。

Photosynthetic characteristics in leaves of Castanopsis hystrix saplings in Longyandong Forestry, Guangzhou, were studied during early summer and autumn under natural conditions by leaf gas exchange and chlorophyll fluorescence techniques.

用LI-6400便携式光合测定系统和PAM-2100便携式植物荧光分析仪分别在初夏和秋季测定了广州龙眼洞林场刺栲幼树叶片的气体交换和叶绿素a荧光参数。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。