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- Therefore,the soil fertility were promoted pronouncedly by the replacement of Chinese fir stand by the Cinnamomum cassia stand. 说明肉桂林取代杉木林后,林地土壤肥力得到较明显的改善。
- Effect on the growth of young Chinese fir stand by different way of soil preparation and thinning 不同整地抚育方式对杉木幼林生长的影响
- Phosphate Immobilization and Its Inhibitting Factors in the Soil under a Chinese Fir Stand 杉林土壤中磷的固定作用及其抑制因素
- Study on Water Conservation Function by the Replacement of Chinese fir Stand by Cinnamomum cassia Stand 肉桂林取代杉木林后水源涵养功能的研究
- Study on changes of soil fertility as affected by the replacement of Chinese fir stand by Cinnamomum cassia stand 肉桂林取代杉木林后土壤肥力变化的研究
- Effects of different ground clearance on soil fertility of Chinese fir stands 不同林地清理方式对杉木林土壤肥力的影响
- Chinese fir stand 杉木林
- Seed stability of clone is a major yield facter in Chinese fir. 杉木种子园无性系结实稳定性是高产稳产的重要因素。
- In this paper,analysis on soil fertility on fourageyoung Cinnamomum cassia stand,compared with Chinese fir sprout stand. 对4年生肉桂林和杉木萌芽林的土壤肥力进行对比研究。
- Field investigation showed that TOC in soils under broad-leaved and phyllostachy pubescens stand was considerately higher than under masson pine and Chinese fir(P<0.01). 马尾松林、杉木林和毛竹林土壤WSOC与TOC之间的相关性均达显著水平,相关系数分析为0.;5106~*(100℃提取)、0
- Consequently, the results show that the RMC method has a distinct effect on recovering species diversity of Chinese fir plantations in southern China. 结果表明,残留物管理育林法对杉木林地的物种多样性有着明显有恢复作用。
- Chinese fir (Cunninghamia lanceolata Lamb.) is one of the most important timber tree species planted in southern China. 摘要杉木是我国南方最重要的造林用材树种。
- STUDY ON MOLECULAR GENETIC VARIATION OF SUPERIOR TREES IN CHINESE FIR(CUNNINGHAMIA LANCEOLATA(LAMB.)HOOK. 杉木优树分子遗传变异的研究
- Decomposition interaction of mixed litter between Chinese fir and various accompanying plant species. 杉木与伴生植物凋落物混合分解的相互作用研究
- The influence of clear cutting Chinese fir plantation on the characteristics of runoff water chemistry of forestland. 与相似的文献。
- The radial variation patterns of wood density in19 Chinese fir provenances were studied by means of X-ray wood densitometry. 以微密度分析对19个种源杉木的木材密度径向变异模式进行了研究。
- In wood processing, especially the processing of Chinese fir, wood is liable to crack when dried with the core, which affects productquality. 在木材加工中,尤其是杉木加工,在银材烘干过程中木才带芯烘干造成木材列裂、裂缝,影响产品质量。解决木材带芯烘干中开裂技术难题。
- Soils under broad-leaved, masson pine, Chinese fir and bamboo forest in the area of Huzhou, Zhejiang were selected for this study. 在我国亚热带采集了常绿阔叶林、马尾松林、杉木林和毛竹林土壤,分析了土壤总有机碳和水溶性有机碳含量。
- Biomass of Chinese fir plantations in Fujian Province and its allocation among leaf, branch, stem and roots were studied based on the published biomass data. 摘要通过收集福建省杉木林生物量数据,对福建省杉木林生物量及其分配规律进行分析,结果表明,杉木林生物量随年龄增长呈逐渐增加趋势,并以幕方程拟合的效果最好。
- Research progress on cross breeding of Chinese fir was summarized in this paper and the primary insufficiency was analyzed. 摘要概述了我国杉木杂交育种研究进展,分析了杉木杂交育种存在的主要问题及其对策。