尾叶桉

为了准确、快速预测速生尾叶桉人工林生产力，该文运用3-PG模型对我国广东省雷州半岛上广泛种植的尾叶桉的生长规律进行研究。

In order to reliably and rapidly predict plantation production of fast-growing Eucalyptus urophylla , the3-PG model was applied to study the growth laws in the stands of E.

研究了马尾松-尾叶桉CTMP制浆废液的污染特征及脱色方法。

The contamination characteristic and decolorization methods of the Pinus massoniana and eucalyptus urophylla CTMP effluent were studied .

尾叶桉、湿地松施P肥的各水平均达显著或极显著差异，施N、K肥的只在个别年度有差异。

There was difference or significant difference between P level application treatments , difference appeared in some individual year for the N , K treatments .

尾叶桉SCMP纤维表面抽出物以脂肪酸类为主，在漂白过程中溶出较多。

Extractives covered the eucalyptus SCMP fiber surface were mainly fatty acids , which would dissolved out during bleaching .

对比慈竹、马尾松和尾叶桉SCMP的甲醇抽出物可知，马尾松未漂浆中的甲醇抽出物含量最高，为0.57%；过氧化氢漂白后出现不同程度的下降。

Comparison on methanol extractives of bamboo , pine and Eucalyptus SCMP showed , methanol extractives content of unbleached pine pulp was the highest , about 0.57 % ; after hydrogen peroxide bleaching , methanol extractives content was decreased differently .

河头与纪家尾叶桉人工林林分的年耗水量分别为542、559mm，分别占年降水量的35%、36%；

Which were equivalent to 35 % and 36 % of annual rainfall .

尾叶桉化机浆制浆废水的生物处理

Study on the Biotreatment of Effluent from E.eucalyptus SCMP

尾叶桉种源家系的生长性状与其抗风性能呈显著的负相关；

Wind-resistance of provenances and families had significant negative correlation with the growth character .

尾叶桉纤维材经济成熟研究

Economic maturation period for Eucalyptus fiber wood

研究了刚果12号桉与尾叶桉漂白硫酸盐浆的打浆造纸特性。

The beating and papermaking characteristics of eucalyptus tereticornis ABL12 and eucalyptus urophylle pulps were studied .

皆伐前后尾叶桉人工林林地植被组成的变化

Change of Vegetation Species of Forest Land of Eucalyptus Citriodora Plantation Forests Before and After Clear Cutting

综合来看，多性状选择指数可选择出综合性状好的无性系，是评选生长、形质和材性兼优的尾叶桉无性系的理想方法。

In general , multi-characters select index could select compositive characters clones and become the better method for evaluating E.

台风对尾叶桉的危害主要表现在造成风折，占整个试验林木的22.5%。

The main damage by typhoon to E.urophylla plantation was stem break-of accounting for22.5 % of trees in the whole trial .

为了有效地防治白蚁的危害，对我县退耕还林种植尾叶桉受白蚁为害严重的林地进行调查并及时指导防治。

In order to effectively control the damage of termite , investigation and control in time was carried out in Eucalyptus urophylla S.T.

尾叶桉等植物叶提取液对几种植物插条生根和种子萌发的影响

Effects of Leaf Extracts of Eucalyptus and Other Plant Species on the Rooting of Cuttings and Seed Germination of Several Plant Species

采用水蒸汽蒸馏法，获得杉木生材精油的得油率为1.57%，尾叶桉生材精油的得油率为0.02%。

The essential oil volume was1.57 % and0.02 % extracted from Chinese fir and Eucalyptusgreen wood , respectively , by steaming distillation method .

尾叶桉自由授粉子代，树高、胸径和材积有一定程度的近交退化，但不甚显著；

As to F1 of open pollinated E.urophylla , height , DBH and volume showed depression to a certain degree , but not significant ;

尾叶桉与赤桉正反析因交配遗传分析结果表明：72个正反交组合的生长性状在组合、母本、父本间均存在显著差异。

The results showed that there were significant differences between combinations , male parents and female parents on growth traits of 72 reciprocal crosses combinations .

采用收获法和相对生长法对田林县不同年龄尾叶桉人工林的生物量和生产力进行了研究。

An investigation was conducted into the biomass and productivity of Eucalyptus utophylla at different age stands in Tianlin County where there is a new cultivated area for E.

结果表明：施肥处理对尾叶桉纤维素含量和木素含量没有显著影响，而对抽提物含量和戊聚糖含量有极显著影响；

Results show that fertilization treatments have no significant effects on the contents of cellulose and lignin , but have extremely significant effects on contents of extractives and pentosan .