1·The hydrologic effects of 30-year old natural Chinese pine forests have been measured.
探讨了30年生油松天然林的水文效应。
2·Smaller management density was beneficial to increase DBH growth rate of Chinese pine forest.
较小的经营密度有利于提高人工油松林胸径生长速率。
3·Chemical characteristics of oleoresins of sect, strobus in Chinese pine species were studied.
本文研究了中国五针松组松脂的化学特征。
4·Chinese pine and hemp oakery soil physical property also have very strong correlativity with forestation density.
油松和麻栎林土壤物理性质与造林密度也有很强的相关性。
5·Tree species in Chinese pine, spruce, birch, Yang, Liu mainly forests are apple, pear, peach, apricot and so many kinds of wild grass, nearly 100 species.
树种以油松、云杉、白桦、杨、柳为主,经济林有苹果、梨、桃、杏等,野生牧草种类较多,近100种。
6·Tritiated water was used as tracer to measure tree transpiration in a 28-year old Chinese pine plantation of north China during the growing season of 1984.
于1984年生长季,利用氚水作为示踪剂对河北隆化碱房乡大水泉村西山28年生油松人工林树木蒸腾进行了测定。
7·Shenzhen head office is located in the beautiful environment of the Longhua Town Chinese pine village Pelton river, plant covers an area of 6800 square meters.
深圳总公司座落于环境优美的龙华镇油松村水斗河边,厂房占地面积6800 平方米。
8·The division of site types and appraisal of growth were studied with data from 118 sample plots on Chinese pine in the calcareous mountain areas, Shanxi Province.
利用118块野外标准地资料,对晋东南石灰岩山地油松人工林进行了立地类型划分及生长评价。
9·This paper mainly studied Optimization of Production Process for Complex Ectomycorrhizal Fungal and Bacterial Fertilizers and its Effects on Chinese pine seedings.
本文主要研究了菌根制剂生产工艺的优化及其复合胶囊菌剂对油松幼苗的生长促进作用。
10·The effects resulted from different patterns of mountain closure objectively reflected the interference level of the human activities to Chinese pine natural regeneration.
不同的封禁方式客观地反映了人为作用对油松天然更新的干扰程度。