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萬綠工藝制品廠生產(chǎn)產(chǎn)品有：大型超級圣誕樹， PVC 圣誕樹一级a黄色视频录像免费，圣誕花環(huán)全国男人黄色网站，圣誕裝飾藤條，松針樹天堂av中文在线，圣誕花圈国产免费无遮挡吸乳视频在线观看，松圈，松針條，超豪華圣誕樹美女肏的网站，懸掛圣誕樹一级α爱作爱视频免费观看，飾品樹，圣誕帶燈樹欧美色视频一区二区，松針圣誕樹日本特级黄大片，植絨樹。

The study is carried out that the comparison of fine root production, decomposition and distribution along with Korean pine and broad-leaved climax forest succession; the fine root contribution to the belowground C and N storage along with Korean pine and broad-leaved climax forest succession; and the comparison of belowground C and N storage among the Korean pine and broad-leaved climax forest, three dark-conifer forests, a betula ermanii forest along altitude.

研究內(nèi)容包括：原始闊葉紅松林及其不同演替階段的次生林中細根的生長和周轉(zhuǎn)98超碰日本人妻、分解與分布的特征国产精品三级国，闡明在不同演替階段細根的變化性色aⅴ免费网站；原始闊葉紅松林及其不同演替階段的次生林中細根對根系julia中文国产一区、土壤和林地地下的碳、氮貯量的影響性爱小说在线观看，分析在不同演替階段細根周轉(zhuǎn)對地下碳久久ri国产蜜臀AV、氮貯量的貢獻；以及對不同垂直海拔高度分布的不同類型的原始森林中細根和根系生物量的變化午夜a片视频播放器，及細根對根系91无码视、土壤和林地地下碳、氮貯量的貢獻進行了研究av资源观看。

To validate heat treatment requirement of ISPM 15 to disinfestation of Pine wood nematode in wood packaging material,lumber and block made from Masson Pine with different moisture content,which was naturally infested with Pine wood nematode and sawed to 3 kinds of size,was heat treated under the hot air with the temperature rang of 65~85℃ and Relative Humidity of 50%~90% to reach the core temperature of 56℃ and more than 30min duration.

使用溫度為65～85℃最新在线精品国自产拍三级片、相對濕度50%～90%的熱空氣，對不同規(guī)格和含水率的攜帶松材線蟲的馬尾松木板進行熱處理驗證試驗久久综合色88888，結(jié)果顯示久久国产精品一区，當木材中心溫度達到56℃并持續(xù)30min以上，10cm×10cm×10cm木塊干荡妇免费视频一区二区、5cm厚度木板以及高含水率10cm厚度木板中線蟲死亡幾率值達到9的要求中文字幕在线看一区二区，驗證了國際植物檢疫措施標準第15號所推薦的熱處理技術(shù)指標對殺滅松材線蟲的有效性。

Pine wilt disease is one of the most important pine tree diseases, and its causal agent is Bursaphelenchus xylophilus, which is a great threat to the pine forestry in many countries such as China Japan, Korea, the US, Canada, Mexico, and Nigeria, etc. It is one of the most important quarantine organisms, and also listed on A2 in China, which lead to imponderable loss every year.

松材線蟲病是一種重要的林業(yè)病害麻豆精品视频在线视频，向來有"松樹的癌癥"的稱號求黄色免费网站，對松樹的危害十分嚴重，它的病原是松材線蟲中文字幕一区二区，它是包括日狂野欧美性激色啪XXXX网站、韓、美久草视频在线免费观、加拿大一级花片免费直接观看、墨西哥、尼日利亞和我國等許多國家重要的林業(yè)病害a色导航在线，也是許多國家的檢疫對象啪啪啪免费试看，在我國屬于二級檢疫危害生物，造成的損失難于估計。

If the quality of the land is not very good, studies have shown that one kind of the tree that can grow well is the ? white pine. Another is the loblaly pine,windbreaks loblolly pine.

假如土壤的質(zhì)量不夠好久久国产乱子伦精品，研究顯示有一種樹木可以在這種環(huán)境下長得很好超碰中文字幕，那就是白松，另一個就是火炬松强奸电影网站。

Pine nut is a gourmet nontimber forest product.There are more than 30 species pine can produce the edible pine nut in the world.

松籽是一種美味的非木質(zhì)林產(chǎn)品欧美一区二区另类A片，全球有30多個松屬物種可以生產(chǎn)可食用松籽，但目前只有5個物種的松籽被用于商業(yè)生產(chǎn)国产主播秋霞。

When dry distillation of distillates by condensation, the liquid product of clarification, it is submerged in the lower pine root oil, pine root oil and then use the same method can be obtained for further processing pine tar.

干餾時的餾出物經(jīng)冷凝后一级黄片在线精彩视频免费播放，液體產(chǎn)物澄清時，沉在下層的是松根油午夜性生活免费视频，再將松根油用同樣方法進一步加工可制得松焦油国产嫖妓凹凸视频。

Pine finger-puzzle are in addition to the natural pine inherent defects and then through the finger-puzzle from the timber, so that settled in areas such as furniture decoration at a large area when the use of pine Reclaimer difficult problem for the vast number of customers in the production of substantial savings of time and raw materials.

松木指接拼板是除天然松木所固有的缺陷后再通過指接拼板而成的集成材，這樣解決了家具裝修等領(lǐng)域在大面積使用松木時取料難的問題人人看人人摸人人操人人色，為廣大客戶在生產(chǎn)中節(jié)約大量的時間與原材料有色有爽。

Based on the test of slash pine,this paper studied the radial and longitudinalvariation law of the wood properties,furthermore,this paper also dealt with theeffect of two silvicultural measures on the physical and mechanical properties ofthe slash pine.The research result was used to provide the scientific theoreticalbasis for the reasonable exploitation and directive breeding of the slash pine.

本文以人工林濕地松為試驗材料，詳細研究了濕地松各材性指標的徑向和縱向變異規(guī)律免费欧美在线，并在此基礎(chǔ)上亚洲女优操逼色视频，深入研究間伐處理、種植密度處理兩種培育措施對人工林濕地松物理免费一级特大爱黄片、力學性能的影響規(guī)律欧美很鲁视频在线观看，為人工林濕地松的合理利用和定向培育提供科學的理論依據(jù)。

In comparison with slash pine, which was introduced earlier from abroad, and the native mason pine, the five-year-old loblolly pine families, which was introduced into Fujian Province, were evaluated.

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