Using Close-Top incubation method,we measured the N mineralization rate in soils (0～15 cm) of monsoon evergreen broadleaf forest,seasonal rain forest,rubber plantation,heavily disturbed seasonal rain forest,Millettia laptobotrya secondary forest and upland rice field.

在云南省中國科學(xué)院西雙版納熱帶生態(tài)站周圍，用頂蓋埋管法黄色片在线视频，對季風常綠闊葉林精品国产99国产精品嫩草影院、季節(jié)雨林、橡膠林日韩欧美视频在线看、受過嚴重干擾的季節(jié)雨林国产A级理论片无码免费、雞血藤次生林和旱谷地的氮礦化速率進行研究免费无码黄片呦呦。

In order to accelerate close canopy of new plantation Phyllostachys nuda forest,fertilization experiment on new growing bamboo was carried.

為了促進新造林的郁閉，對新造石竹林進行施肥研究試驗亚洲图片澳洲图片在线看。

The 33P, 32P double label tracing technique was carried out to study the effective fertilization of phosphorus for citrus plantation in mountain area of northern Taiwan. 33P labelled orthophosphoric acid was applied in a standard position with respect to the tree and 32P labelled orthophosphoric acid at a location and rate corresponding with the treatments The results showed that the variability o1 the 33P/32P ratios (49%) was much lower than that of single 32P activity counts (72%).

應(yīng)用磷－33日本免费观看黄色网站，磷－32重復(fù)標識法，研究本省北部山區(qū)柑園有效施肥問題扒开美女双腿桶出白浆；其法將磷－33標識正磷酸中国二级黄片，依標準法施用於根羣密葉區(qū)域，又以磷－32標識正磷酸以不同施用量韩日妇女打一炮，處理於不同深度农村老熟妇厨房乱子，結(jié)果顯示以33P/32P比率所得試全變異(49%)達較單獨測算32P放射活性者(72%)為小。

Species richness of phytophagous insects in plantation of transgenic insect-resistance hybrid poplar 741 was obviously lower than that of neutral arthropod. The individuals of intermediate and top species apparently increased.

轉(zhuǎn)雙抗蟲基因741楊（簡稱轉(zhuǎn)基因741楊）節(jié)肢動物群落中一级A片破外女，基位物種的植食性昆蟲豐富度顯著降低欧美国产免费一级精品，但中性節(jié)肢動物豐富度卻明顯增加。

Amount the subjects discussed are the KK City Ah Long issue, black market 4-D, lack of 'on-foot police petrol', lack of police pondok in King Fisher Park and Lintas Square/Plaza, lengthy procedure of filing police report, slack action and sometimes no action after filing police report, and rural districts difficult to file police report (east coast rural plantation area).

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Study on Liquefaction and Resinification of Plantation Wood by Phenol Ⅰ.

篇名 人工林木材的苯酚液化及樹脂化研究Ⅰ亚洲美女黄又黄免费观看网站视频。

The company has more than 1600 acre plantation, long-term stable supply of bulk such as salvia, Scrophulariaceae, Paeonia, Atractylodes macrocephala, such as Chinese herbal medicines and to provide slices, such as the beginning of processing.

公司共有1600余畝的種植園国产一级片免费手机在线视频，長期穩(wěn)定供應(yīng)大宗的如丹參、玄參男人插女人逼视频黄色大片、芍藥老妇女网站、白術(shù)等中藥材，并且提供切片等初加工2019在线中文字幕网站视频。

Keywords: Pinus Densiflora Plantation,Silvicultural Measures,Wood Properties,Early Prediction

中文關(guān)鍵詞：人工林赤松最真实的偷拍网；培育措施；木材品質(zhì)VIP专区色哟哟；早期預(yù)測

By quantitative analysis of partial correlation coefficients of the regression models, the key silvicultural techniques of growing Masson pine plantation can be scientifically determined as site control, inheritance control and density control.

通過對回歸模型偏相關(guān)系數(shù)的定量分析在线观看黄色网站a，可以確定馬尾松人工林培育的關(guān)鍵技術(shù)措施是立地控制、遺傳控制和密度控制黄色日韩不卡；同時操美女,黄免费视频，還可根據(jù)各項造林技術(shù)措施和林分年齡，預(yù)測馬尾松林分的生長欧美三级日韩精选。

Based on the yearly investigation to permanent plots of the 4 10 years old stands, the mean height and DBH of the stands were made as benchmark variables, and main silvicultural techniques and ages of the stands were made as explanatory variables, quantitative regression models of predicting growth of Masson pine plantation were established.

該文利用貴州省臺江縣馬尾松造林技術(shù)試驗林4～10年生林分的逐年測定資料AⅤ资源网影音先锋，以林分平均樹高和平均胸徑為基準變量、各主要造林技術(shù)措施和林分年齡為說明變量，對建立馬尾松林分生長的數(shù)量化回歸模型進行初步研究第一页中文字幕。