1996 Vol. 13, No. 4
1996, 13(4): 371-377.
Abstract:
The wood properties of fast -growing Chinese fir were worse than the ones of common Chinese fir.For the former,air-trying density was 0.345gcm-3,volumetric shrinkage coeffieient was 0.444%,compressive strength Parallel to the grain,rupture strength i...
The wood properties of fast -growing Chinese fir were worse than the ones of common Chinese fir.For the former,air-trying density was 0.345gcm-3,volumetric shrinkage coeffieient was 0.444%,compressive strength Parallel to the grain,rupture strength i...
1996, 13(4): 378-383.
Abstract:
Huangpi,a cultlvated variety of Actinfdia chinensis,sets fruits in mid May.Its fruits rapidly expande in June.The seeds take shape in Iate July and get ripened in mid and late August.Mid and late September was suitable for harvesting the fruits,when ...
Huangpi,a cultlvated variety of Actinfdia chinensis,sets fruits in mid May.Its fruits rapidly expande in June.The seeds take shape in Iate July and get ripened in mid and late August.Mid and late September was suitable for harvesting the fruits,when ...
1996, 13(4): 384-391.
Abstract:
The authors invesigated 112 sample plots located on the main introductory region of the southern types populars in china ,and collected soil samples,then measured the physical and chemical properties.the objective marks of three of the quantitative s...
The authors invesigated 112 sample plots located on the main introductory region of the southern types populars in china ,and collected soil samples,then measured the physical and chemical properties.the objective marks of three of the quantitative s...
1996, 13(4): 392-396.
Abstract:
A compatible merchant volume ratio prediction model system was developed.The program of computing theoretical merchant volume ratio based on idnividual tree was presented and merchant volume ratio of Cunninghamia lanceolata which was taken as an exam...
A compatible merchant volume ratio prediction model system was developed.The program of computing theoretical merchant volume ratio based on idnividual tree was presented and merchant volume ratio of Cunninghamia lanceolata which was taken as an exam...
1996, 13(4): 397-404.
Abstract:
The Selection of salt tolerance Plantlet regeneration of three poplar clones,namely poplar NL-80105,poplar NL-80106,and poplar NL-80303,in tissues was studied.The results were as follows:(1)on MS medium with 5.0gL-1 NaCI,the most shoots formed on you...
The Selection of salt tolerance Plantlet regeneration of three poplar clones,namely poplar NL-80105,poplar NL-80106,and poplar NL-80303,in tissues was studied.The results were as follows:(1)on MS medium with 5.0gL-1 NaCI,the most shoots formed on you...
1996, 13(4): 405-410.
Abstract:
Results of investigation about reproductive Phenology and number of strobili(including male and female ones) of clones in a grafted seed orchard of masson pine were reported.Discussion emphasized the effects of reproductive Phenology and the strobili...
Results of investigation about reproductive Phenology and number of strobili(including male and female ones) of clones in a grafted seed orchard of masson pine were reported.Discussion emphasized the effects of reproductive Phenology and the strobili...
1996, 13(4): 412-417.
Abstract:
Seed germination and seedling growth for camphor tree were moniotred under exposure the seed and seedling to a simulated acid rain。The pH 2.0 acid treatment inhibited seed germination and seedling growth by damaging foliage,decreasing chlorophyll con...
Seed germination and seedling growth for camphor tree were moniotred under exposure the seed and seedling to a simulated acid rain。The pH 2.0 acid treatment inhibited seed germination and seedling growth by damaging foliage,decreasing chlorophyll con...
1996, 13(4): 418-426.
Abstract:
In the Present paper,four species of the genus Coenosia,collected from Baishanzu Naturee Rserve(27.7N,119.1E),Zhejiang Province by one of the authors,are described as new to seience.They are C.breviaedeagus,C.nigricornis,C.fimbriPeda and C.longipeda....
In the Present paper,four species of the genus Coenosia,collected from Baishanzu Naturee Rserve(27.7N,119.1E),Zhejiang Province by one of the authors,are described as new to seience.They are C.breviaedeagus,C.nigricornis,C.fimbriPeda and C.longipeda....
1996, 13(4): 427-434.
Abstract:
Life tables of Taiwan Pine cones were established and analyzed on Huadingshan Forest farm,Tiantai,Zhejiang,during 1993~1994.The results showd that an important and key factor resulting in cone death of Taiwan pine was the daamge by Petrova cristata,w...
Life tables of Taiwan Pine cones were established and analyzed on Huadingshan Forest farm,Tiantai,Zhejiang,during 1993~1994.The results showd that an important and key factor resulting in cone death of Taiwan pine was the daamge by Petrova cristata,w...
1996, 13(4): 435-440.
Abstract:
Tea Cuifasu,a foliage spray preparation for tea plant,was used to test 46 tea clones in Hangzhou,Yuhang,Jiande and Anji of Zhejiang,Qi yang of Hulian and Yichang of Hubei.The results showed that Tea Cuifasu was significantly effective in stimulating ...
Tea Cuifasu,a foliage spray preparation for tea plant,was used to test 46 tea clones in Hangzhou,Yuhang,Jiande and Anji of Zhejiang,Qi yang of Hulian and Yichang of Hubei.The results showed that Tea Cuifasu was significantly effective in stimulating ...
1996, 13(4): 441-447.
Abstract:
An investigation was conducted in the year with severe freezing damage of more than 20 factors related to sites,trees and culture practice on 90 standard Plots in main growth areas of Citrus.By means of quantitative regression,the studies on the,rela...
An investigation was conducted in the year with severe freezing damage of more than 20 factors related to sites,trees and culture practice on 90 standard Plots in main growth areas of Citrus.By means of quantitative regression,the studies on the,rela...
1996, 13(4): 448-453.
Abstract:
Forestryis a basic industry that is great in ecologic benefit and social benefit,but is bad in economic effect by itself.Forestry not only must participate in market competition but alao need to be protected under the socialist market economy.
Forestryis a basic industry that is great in ecologic benefit and social benefit,but is bad in economic effect by itself.Forestry not only must participate in market competition but alao need to be protected under the socialist market economy.
1996, 13(4): 454-462.
Abstract:
According to comparing and anlyzing the forestry literature reported by CAB Forestry Abstracts in previous period(1978~1986)and later period(1987~1985),it was concluted that the first tea countries were changless in the two periods,i.e.USA,Idnia,Germ...
According to comparing and anlyzing the forestry literature reported by CAB Forestry Abstracts in previous period(1978~1986)and later period(1987~1985),it was concluted that the first tea countries were changless in the two periods,i.e.USA,Idnia,Germ...
1996, 13(4): 463-466.
Abstract:
The methodological prineiples' of English composition are discussed based on the text features:coherence and cohesion.The case study indicates that disordsred utterances can be organized into a text according to the text features,and that gists of te...
The methodological prineiples' of English composition are discussed based on the text features:coherence and cohesion.The case study indicates that disordsred utterances can be organized into a text according to the text features,and that gists of te...
1996, 13(4): 467-472.
Abstract:
Negative effects of market economy on campus culture indicate the necessity to perfect campus culture and to deomnstarte its vanguard role in society.Strategies are suggested.
Negative effects of market economy on campus culture indicate the necessity to perfect campus culture and to deomnstarte its vanguard role in society.Strategies are suggested.
History,Present Stauts of Economic Forests and Their Prospects for Development in Zhejiang Province.
1996, 13(4): 473-480.
Abstract:
Zhejiang Province is an important producer of economic forests in our country because of its mildness in elimatic codnitions and abundance in resources of commercial species of trees.But development of economic forests is tortuous due to some histori...
Zhejiang Province is an important producer of economic forests in our country because of its mildness in elimatic codnitions and abundance in resources of commercial species of trees.But development of economic forests is tortuous due to some histori...
1996, 13(4): 481-484.
Abstract:
This paper begins with analysing the present state of the ecological forest at Qiandaohu Lake,then it presents views on several problems about the construction of ecological forest for public profit,such as national supporting policy,compensation of ...
This paper begins with analysing the present state of the ecological forest at Qiandaohu Lake,then it presents views on several problems about the construction of ecological forest for public profit,such as national supporting policy,compensation of ...
1996, 13(4): 485-488.
Abstract:
Four grafting methods for Castanea mollissima were contrasted.The results showod that veneer-scion grafting was suitable from mid September to late October。Bone removing method was best in spring.The survival rate of both methods reached more than 90...
Four grafting methods for Castanea mollissima were contrasted.The results showod that veneer-scion grafting was suitable from mid September to late October。Bone removing method was best in spring.The survival rate of both methods reached more than 90...
1996, 13(4): 489-496.
Abstract:
The spatial distribution Pattern of Petrova cristata larvae was tested by means of frequency distribution and distribution index.Sequential sampling and the confidence of tree different sampling methods were analyzed and evaluated.The results showed ...
The spatial distribution Pattern of Petrova cristata larvae was tested by means of frequency distribution and distribution index.Sequential sampling and the confidence of tree different sampling methods were analyzed and evaluated.The results showed ...
1996, 13(4): 497-501.
Abstract:
Brazil has 6 million hectares of artificial forests,from which about 30 percent of timber is taken.The main productive experience for it is as follows:①Directive breading has been taken as regards the maket demand at home and abroad;②The management s...
Brazil has 6 million hectares of artificial forests,from which about 30 percent of timber is taken.The main productive experience for it is as follows:①Directive breading has been taken as regards the maket demand at home and abroad;②The management s...
1996, 13(4): 502-504.
Abstract:
The crticle sumrnarizes the value of historical science about the notes of famous Paintings through the ages,and emphasisly commuents on the theoretical achievement of five grades discussing Painting standard,the style of Pen and ink,sparsity and den...
The crticle sumrnarizes the value of historical science about the notes of famous Paintings through the ages,and emphasisly commuents on the theoretical achievement of five grades discussing Painting standard,the style of Pen and ink,sparsity and den...