1) Pure forest
纯林
1.
fortunei pure forest,A.
对拟赤杨(Alniphyllum fortunei Makino)纯林、拟赤杨-马尾松(Pinus massoniana Lamb。
2.
1% than that of Betula platyphylla pure forest;tree biomass and individual biomass of mixed forest are higher than that of pure forest.
通过对桦树柠条混交林及桦树纯林、柠条纯林的林木生长量、林分生物量、根系分布规律等的调查研究,结果表明,混交林的桦树高生长量比纯林桦树提高47。
3.
The result showed that mean DBH of bamboo from mixed forest was 5% higher than that from pure forest.
通过对毛竹杉木混交林、毛竹纯林5个竹材形态质量指标的比较研究,结果表明:竹杉混交林立竹平均胸径较毛竹纯林大5。
2) pure stand
纯林
1.
Compared with pure stand,Pinus elliottii in belt mixed stand grew much faster,the climatic condition in the mixed stand was suitable,the physical and che.
在较为贫瘠的迹地上开展马尾松与大叶相思单行、带状混交及马尾松纯林造林对比试验,对10年生试验林研究结果表明,采用马尾松与大叶相思带状混交,各个树种保存率高、生长量大,与马尾松纯林相比较,带状混交林中马尾松生长状况表现出明显优势,混交林林内小气候条件适宜,土壤理化性质良好,改善土壤肥力效果明显。
2.
pubescens compared with the pure stand of Pinus massoniana,the results indicate that DHB、height、individual volume and stand volume of pinus massoniana in mixed stand of Pinus massoniana and Toona ciliata var.
通过马尾松毛红椿混交林和马尾松纯林生长量和土壤肥力状况的对比研究,结果表明,马尾松毛红椿混交林中马尾松胸径、树高、单株材积和总蓄积量均高于马尾松纯林。
3.
Based on the study of comparison on increment,biomass,soil physical and chemical properties between mixed stand of Pinus massoniana with Acacia dealbata Link and pure stand of Pinus massoniana,the results showed that the mixed stand of Pinus massoniana with Acacia dealbata could dramatically increase the increment and biomass of Pinus massoniana.
通过马尾松银荆混交林和马尾松纯林的生长量、生物量及土壤理化性质的对比研究,结果表明,马尾松与银荆混交能较大幅度地提高马尾松的生长量和生物量。
3) Pure plantation
纯林
1.
The results were as follows: (1)For the non-rhizosphere soils the pH values and the contents of the available N、Mn、Cu showed the pure plantation of Juglans mandshurica>the mixed plantation>the pure plantation of Larix gmelinii,and the contents .
用剥落分离法采集胡桃楸(Juglansmandshurica)、落叶松(Larixgmelinii)纯林及其混交林根际与非根际土壤,并研究了pH及有效养分含量特性。
2.
Study results would provide a scientific base for Larix olgensis pure plantation improvement.
以黑龙江省林口林业局长白落叶松纯林带状伐后栽植阔叶树种形成的针阔混交林为对象,研究水曲柳、长白落叶松—水曲柳、长白落叶松、长白落叶松—胡桃楸与胡桃楸等5种林带下土壤的物理性质、养分状况和微生物数量。
4) pure regular crops
单层纯林<林>
6) cypress pure plantation
纯柏林
1.
In March 2005, an investigation was carried out on alder (Aluns cremastogyne) and cypress (Cupressus funebris) mixed plantation and cypress pure plantation, distributing in the hilly areas of central Sichuan Basin, to study the effects of plantation succession on soil animal community.
为了研究人工林演替对土壤动物群落的影响,2005年3月对川中丘陵区的桤(Aluns cremastogyne)柏(Cupressus funebris)混交林和由其演替形成的纯柏林的土壤动物群落进行了调查。
补充资料：纯林
见森林。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条