1999 Vol. 16, No. 4

Articles
Pathogenicity of 9 strains of Beauveria bassiana to masson-pine caterpillar
FANG Zhi-gang, ZHANG Li-qin, ZHAO Ren-you
1999, 16(4): 331-335.
[Abstract](1380) [PDF](126)
Abstract:
Nine strains of Beauveria bassiana , collected from Lishui , Zhejiang , a natural epidemic area , were isolated during April to September .The test showed that three strains (B2 , B4 and B14) were the best on their mycelium growth , sporogenous abili...
Predatory enemies of Matsucoccus matsumurae and their population dynamics
CHAI Xi-min
1999, 16(4): 336-340.
[Abstract](1536) [PDF](143)
Abstract:
Investigation on Changle Forest Farm of Yuhang City , Zhejiang Province during 1982 ~ 1985 indicated that there were 13 families, 31 species of predatory enemies on M .matsumurae .Seven of them were reported at first which belong to ants and spiders....
Cyclophysis and effect of rejuvenation with continued cottage in Pinus massoniana cutting propagation
JI Kong-shu, WANG Zhang-rong, CHEN Tian-hua, WANG Ming-Xiu
1999, 16(4): 341-345.
[Abstract](1615) [PDF](151)
Abstract:
Rooting traits of cuttings from two , four , five , six and eight years old masson pine (Pinus massoniana) ortets in the same provenance were analysed after the cuttings were rooted in full exposure mist bed for three monthes .Except sum of the branc...
Multi-clone admixture planting of Carolina poplar in protective belt along the Changjiang River
FU Jun, QIAN Teng, HUANG Rong-Lai
1999, 16(4): 346-352.
[Abstract](1246) [PDF](93)
Abstract:
For increasing sampling and decreasing poplar borer harming of protective belt along the Changjiang River , Multi-clone admixture planting of poplar was studied in Anhui Province .The results showed that compared with one-clone planting , sampling an...
Height growth of Camptotheca acuminata yearlings from various provenances
SHI Bai-lin, ZHOU Guo-mo, YING Ye-qing, WU Jia-sheng, CHU Jia-miao, XU Shao-Yuan
1999, 16(4): 353-357.
[Abstract](1335) [PDF](153)
Abstract:
The study was made in Lin,an City of Zhejiang Province .The test seed of Camptotheca acuminata was from 10 provinces of China .Among of them , Kunming provenance gave excellent seed quality :pureness (89.3 %), thousand grain weight (71.26 g ), germin...
Adaptability of 8 types of commercial trees growing in the hilly regions and their effects on changes of soil nutrient
WANG Bai-po, DAI Wen-sheng, CHENG Xiao-jian, YU Wei-wu, WANG Li-zhong, BAO Li-hong, YAN Rong-bao
1999, 16(4): 358-364.
[Abstract](1036) [PDF](131)
Abstract:
Growth and fruiting of more than 20 varieties belonging to 8 types of commercial trees cultivated under normal conditions in the hilly regions of middle part of Zhejiang Province and changes of soil chemical characteristics have been discussed .The p...
Effects of fertilization on some physiological traits of Chinese fir seedling and soil nutrient
JIANG Zhi-biao, YU Qin-min
1999, 16(4): 365-368.
[Abstract](1336) [PDF](125)
Abstract:
In foreign soil seedbeds , urea (N), calcium superphosphate (P), potassium chloride (K) and decayed cake manure (M)were applicated for 2 weeks before planting Chinese fir year-seedling in March .Application rate was as follows :A plot , check ;B , N ...
Effect of intercorpping green manure crops on degraded soil improvement of Chinese fir plantation after control burning
LIU Ai-qin, MA Xiang-qing, HE Zhi-ying
1999, 16(4): 369-374.
[Abstract](1191) [PDF](158)
Abstract:
Effect of intercorpping green manure crops on water and soil losses , soil fertility and tree growth are studied through runoff plots due to serious soil erosion after control burning .The results are as follows:intercropping different green manure c...
Physiological effects and possible mechanism of rare earth elements on forest trees
XIE Yin-feng, SHEN Hui-juan
1999, 16(4): 375-379.
[Abstract](1415) [PDF](136)
Abstract:
The results from the experiments of rare earth elements applied to forest trees show that in proper condition , rare earth elements treatments have position effects on physiological characteristics of forest trees .Rare earth elements can markedly in...
Water and soil conservation effectiveness of different types of vegetation on subtropical rocky coast
GAO Zhi-hui, CHEN Shun-wei, JIANG Miao-ding, KANG Zhi-xiong, SHI Zhong-li
1999, 16(4): 380-386.
[Abstract](1267) [PDF](152)
Abstract:
Studies on water and soil conservation effectiveness of different types of vegetation on the subtropical rocky coast showed that surface ranoff and erosion modulus in the different types of vegetation consisted of young trees decreased by 9.05 % and ...
Relationships between appearance and internal quality in Magnolia officinalis
ZHU Yu-qiu, ZENG Yan-yu, PAN Xin-ping, Si Jin-ping, WANG Zu-liang
1999, 16(4): 387-391.
[Abstract](1597) [PDF](164)
Abstract:
Contents of magnolol and honokiol in 70 samples collected from the main growing areas of Magnolia officinalis within the country were analyzed by means of HPLC .The results show that there is a significant correlation between the appearance character...
Study on improving oil-yielding rate of harvested oil camellia fruits
HU Chun-shui, WANG Jin-yuan, XIONG Fang-fang
1999, 16(4): 392-396.
[Abstract](1269) [PDF](180)
Abstract:
Based on the study of harvested fruits of oil camellia in production experiments and laboratory , a new processing technology was developed .The results showed that the rate of oil content in the fruits decreased in the course of stacking .Comparing ...
Comparative study on physical and mechanical properties of Castanopsis kawakamii wood from plantation and natural forest
LIN Jin-guo, XU Chun-jin, CHEN Ci-lu, ZHANG Wen-fu
1999, 16(4): 397-400.
[Abstract](1225) [PDF](94)
Abstract:
Physical and mechanical properties of Castanopsis kawakamii wood from plantation and natural forest are determined and analyzed comparatively .The results show that the density , shrinkage , compression strength parallel to grain , the bending streng...
Design and construction of roof top garden
SHAN Xiao-ling, XU Jun, FENG Zai-xin
1999, 16(4): 401-405.
[Abstract](1330) [PDF](187)
Abstract:
The characteristics of roof top garden and its construction are studied by taking an example of design and working for roof top garden of Xiaoshan International Hotel .Roof top garden is small in area , and separate between planting soil and natural ...
Application of GIS in agriculture land suitability evaluation
HUANG Yue-jin, TANG Jin-chun, SUN Bing-nan
1999, 16(4): 406-410.
[Abstract](2242) [PDF](159)
Abstract:
The premiss of proper usage of agriculture land is to set up the relationship between the property of land and the most suitable plant , land suitability evaluation .The article discusses the measurement system of land evaluation and the main process...
Patterns and distribution of themes in English forestry literature
FANG Li-qing, CHEN Sheng-wei
1999, 16(4): 411-415.
[Abstract](1053) [PDF](114)
Abstract:
Ten full-length research papers are selected from 10 overseas scientific periodicals related to forestry science .The analysis of thematic patterns and distribution shows that the two common patterns in forestry literature are marked theme and unmark...
Investigation on forestry information resources and their sharing countermeasures in Zhejiang
SHI Bi-qing, YAN Wu-lin, WANG Jing-er, WANG Xue-qing
1999, 16(4): 416-419.
[Abstract](2272) [PDF](137)
Abstract:
Based on the investigation into the type and number of specialized periodicals in agriculture , forestry , biology and environmental science ordered by various forestry units , and into the number of forestry disc data base and the network of compute...
Statistical analysis on national economy of every city in Zhejiang Province
HUANG Bi-heng
1999, 16(4): 420-424.
[Abstract](2012) [PDF](156)
Abstract:
Based on the statistical data of 74 cities in Zhejiang Province in 1996 , the paper evaluated the national economic status by using the principal component analysis .The principal factor reflecting the economic condition of the cities was the process...
Discussion
Cause of pine wilt disease infecting healthy pine forest
LAI Yan-xue, ZHOU Lin-ping, YU Lin-xiang, SHEN Bing-shun, CAI Dao-yao
1999, 16(4): 425-429.
[Abstract](970) [PDF](197)
Abstract:
Applying logical flow chart to the discussion of causes of pine wilt disease infecting healthy pine forest , integrating with artificial provocation experiments in the new epidemic spots of pine wilt disease in Ningbo City of Zhejiang Province , and ...
A brief review of timber management on private lands in California
Claralynn Rose Nunamaker
1999, 16(4): 430-438.
[Abstract](1022) [PDF](135)
Abstract:
Private individuals and companies own 45 % of California's productive forestland . To harvest timber , these owners are required to have a licensed professional forester prepare detailed management plan that goes through extensive review by the state...
Scientific notes
Effects of tree introduction of Taiwania
FU Qiu-hua, LU Yuan-yuan, FAN Yi-qing, ZHENG Lou-fu, XIE Fang, LI Da-biao, DONG Yun-fu, ZHENG Ying-mao
1999, 16(4): 439-442.
[Abstract](1422) [PDF](117)
Abstract:
Taiwania flousiana and T .cryptomerioides are endemic rare tree species naturaly ranged in China .In 1992 ~ 1993 , introduction and forestation of Taiwania were made in Suichang County of Zhejiang Province .The results showed that these two tree spec...