您要查找的是不是：
- This paper deals with the effects of ASU on the yield of Chinese Fir seedlings grewing on loamy yellow-red earth. The study was carried out on the basis of pot experiment by using tracer isotope ~(15)N. 本文系利用~(15)N示踪技术以研究ASU与氮肥配施对杉木苗的效果,氮素利用率及氮素在土壤和苗木间的平衡状况。
- Effect of Phenolic Acids on Chinese Fir Seedlings 酚酸对杉木幼苗生长的影响
- Chinese fir seedling 杉木幼苗
- STUDY ON NITROGEN NUTRITION DIAGNOSIS IN CHINESE FIR SEEDLINGS 杉木苗期氮素营养诊断的研究
- Effect of vanillin and P-hydroxybenzoic acid on physiological characteristics of Chinese fir seedlings 香草醛和对羟基苯甲酸对杉木幼苗生理特性的影响
- Effects of Different Treatment on Root Growth Potential of Chinese fir Seedlings after Lifting 杉木起苗后不同处理方法对根生长势的影响
- Allelopathy effects of aqueous extracts of aerial parts of several associated plant species on the growth of Chinese fir seedlings 几种伴生植物水浸液对杉木生长的影响研究
- 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。
- 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。
- The application of Chemical weedicide on breeding of fir seedling 化学除草剂在杉树育苗上的应用
- 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。
- 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。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries
