1998 Vol. 15, No. 3
column
1998, 15(3): 225-231.
Abstract:
Anatomical st ructure of bamboo wood for 17 species of tuf ted bamboos is studied .The result indicates that there are many differences in internal structure (mainly in shape and density of vascular bundle)among different bamboo species .Vascular bun...
Anatomical st ructure of bamboo wood for 17 species of tuf ted bamboos is studied .The result indicates that there are many differences in internal structure (mainly in shape and density of vascular bundle)among different bamboo species .Vascular bun...
1998, 15(3): 232-235.
Abstract:
The moisture content , carbohydrates and protein contents of Lei bamboo rhizome during the period of the mixed bud differentiation were measured by use of constant weight , colorimetric method and biuret method .The results showed that moisture conte...
The moisture content , carbohydrates and protein contents of Lei bamboo rhizome during the period of the mixed bud differentiation were measured by use of constant weight , colorimetric method and biuret method .The results showed that moisture conte...
1998, 15(3): 236-239.
Abstract:
Amount of soil microorganism in Lei bamboo forest of protected cultivation is studied by means of plate count .The results show that soil microorganism in quality increases in Lei bamboo forest mulched with organic materials .Amount of soil microorg ...
Amount of soil microorganism in Lei bamboo forest of protected cultivation is studied by means of plate count .The results show that soil microorganism in quality increases in Lei bamboo forest mulched with organic materials .Amount of soil microorg ...
1998, 15(3): 240-243.
Abstract:
Study of two-year-old Phyllostachys pubescens forest in suburb Lin'an , Zhejiang Province , suggests that the acidity of rhizosphere soil (R)under the forest is lower than that of bulk soil (S);R/S values of exchangeable hydrogen and aluminum are 0.7...
Study of two-year-old Phyllostachys pubescens forest in suburb Lin'an , Zhejiang Province , suggests that the acidity of rhizosphere soil (R)under the forest is lower than that of bulk soil (S);R/S values of exchangeable hydrogen and aluminum are 0.7...
1998, 15(3): 244-249.
Abstract:
This study , done on Quxian Forest Farm of Zhejiang Province in the years 1990 ～1997 , showed that Myrica rubra (Chinese strawberry)of improved varieties planted on hillock krasnozem grew vigorously and fruited well with highyield and good quality by...
This study , done on Quxian Forest Farm of Zhejiang Province in the years 1990 ～1997 , showed that Myrica rubra (Chinese strawberry)of improved varieties planted on hillock krasnozem grew vigorously and fruited well with highyield and good quality by...
1998, 15(3): 250-255.
Abstract:
Soil fertilities of dif ferent mixed models in plantations of Pinus massoniana were analysed .The results were as follows :The annual litter productions of different plantations were different.Soil moisture conditions, soil structure and permeable ca...
Soil fertilities of dif ferent mixed models in plantations of Pinus massoniana were analysed .The results were as follows :The annual litter productions of different plantations were different.Soil moisture conditions, soil structure and permeable ca...
1998, 15(3): 256-259.
Abstract:
The experiment was carried out in randomized block design and variance analysis in Anhui Province .Data from the experiment for 3 years indicated that Pinus massoniana seedlings of cutting roots at 9 ～ 10 cm during the second ten days of August to th...
The experiment was carried out in randomized block design and variance analysis in Anhui Province .Data from the experiment for 3 years indicated that Pinus massoniana seedlings of cutting roots at 9 ～ 10 cm during the second ten days of August to th...
1998, 15(3): 260-266.
Abstract:
Physical and mechanical properties of clone Chinese fir wood and seedling are studied and compared .Tested wood for both is of nine-year-old , from Kaihua Forest Farm of Zhejiang Province .Results of 15 clones show that some physical and mechanical p...
Physical and mechanical properties of clone Chinese fir wood and seedling are studied and compared .Tested wood for both is of nine-year-old , from Kaihua Forest Farm of Zhejiang Province .Results of 15 clones show that some physical and mechanical p...
1998, 15(3): 267-268.
Abstract:
Cymbidium defoliatum Y .S .Wu et S .C .Chen is reported as a new record of Cymbidium from Zhejiang Province , and its values on science is reviewed .The sample is planted in the flower nursery of Zhejiang Forestry School.
Cymbidium defoliatum Y .S .Wu et S .C .Chen is reported as a new record of Cymbidium from Zhejiang Province , and its values on science is reviewed .The sample is planted in the flower nursery of Zhejiang Forestry School.
1998, 15(3): 269-273.
Abstract:
Based on embryology research in Liriodendron chinense , the abortive female gametophyte in its development was checked up by light microscope .The development of pollen tube in fertilization was detected by fluorescence microscope or by scanning elec...
Based on embryology research in Liriodendron chinense , the abortive female gametophyte in its development was checked up by light microscope .The development of pollen tube in fertilization was detected by fluorescence microscope or by scanning elec...
1998, 15(3): 274-279.
Abstract:
Based on analysing the shortcomings of the logistic model which is a limited space growth model for population , the paper deals with the quantitative dynamics of Pinus taiwanensis population in Longxi Mountains Natural Reserve by a generalized logis...
Based on analysing the shortcomings of the logistic model which is a limited space growth model for population , the paper deals with the quantitative dynamics of Pinus taiwanensis population in Longxi Mountains Natural Reserve by a generalized logis...
1998, 15(3): 280-286.
Abstract:
Early-w arning system is a technological supporting system of regional forest resources sustainable development .Based on historical recall , the paper analyses the necessi ty of developing early-w arning sy stem of regional fo rest resources f rom s...
Early-w arning system is a technological supporting system of regional forest resources sustainable development .Based on historical recall , the paper analyses the necessi ty of developing early-w arning sy stem of regional fo rest resources f rom s...
1998, 15(3): 287-292.
Abstract:
A information standard is important to build management information system of improved tree varieties .This paper mainly introduces the peocess and principle of building the standard, and puts forward the system structure of the standard .
A information standard is important to build management information system of improved tree varieties .This paper mainly introduces the peocess and principle of building the standard, and puts forward the system structure of the standard .
1998, 15(3): 293-297.
Abstract:
Quantity valuation on working plan of state-owned farms was made in aspects of management, economic benefits and index system of implemented plan , etc , with the example of Changhua Forest Farm , Lin 'an , Zhejiang .The valuation indicated :in 1991 ...
Quantity valuation on working plan of state-owned farms was made in aspects of management, economic benefits and index system of implemented plan , etc , with the example of Changhua Forest Farm , Lin 'an , Zhejiang .The valuation indicated :in 1991 ...
1998, 15(3): 298-303.
Abstract:
Biomass is one of the important items for today's regional forest resources inventory and monitoring , but the current biomass models have two big problems , that is , biomass estimator is not compatible with volume estimator , and total biomass esti...
Biomass is one of the important items for today's regional forest resources inventory and monitoring , but the current biomass models have two big problems , that is , biomass estimator is not compatible with volume estimator , and total biomass esti...
1998, 15(3): 304-309.
Abstract:
Let G be a simple graph with n vertices and n (G )be the least eigenvalue of G .If G is a unicyclic graph with n vertices , G＊is the graph obtained by joining each vertex of C3 to a vertex with degree one of P k-1 , P k 1-1 , P k 2-1 , respectively ,...
Let G be a simple graph with n vertices and n (G )be the least eigenvalue of G .If G is a unicyclic graph with n vertices , G＊is the graph obtained by joining each vertex of C3 to a vertex with degree one of P k-1 , P k 1-1 , P k 2-1 , respectively ,...
1998, 15(3): 310-315.
Abstract:
On the basis of ample historical materials and from the point of view of history and landscape aesthetic appreciation , this paper axpounds the evolution and reasons of setting up rockeries in Chinese historic gardens and the criteria of appreciating...
On the basis of ample historical materials and from the point of view of history and landscape aesthetic appreciation , this paper axpounds the evolution and reasons of setting up rockeries in Chinese historic gardens and the criteria of appreciating...
1998, 15(3): 316-319.
Abstract:
Chinese calligraphy in classical gardens is not only the carrier of lang uages that point garden 's artistic conception out , but also an independent aesthetic object .The forest of stelae ,which is for appreciating calligraphy , is an important fact...
Chinese calligraphy in classical gardens is not only the carrier of lang uages that point garden 's artistic conception out , but also an independent aesthetic object .The forest of stelae ,which is for appreciating calligraphy , is an important fact...
1998, 15(3): 320-323.
Abstract:
Barricading , clearcut ting and eradicating to control pine wilt disease must remove so many healthy pines that Monochamus alternatus are enforesed to fly a long distance for their new host and resulting in spread of pine wilt disease .New strategic ...
Barricading , clearcut ting and eradicating to control pine wilt disease must remove so many healthy pines that Monochamus alternatus are enforesed to fly a long distance for their new host and resulting in spread of pine wilt disease .New strategic ...
1998, 15(3): 324-326.
Abstract:
Before mulching with rice straw , bamboo shoots forest of Phyllostachys dulcis has been watered thorough .Mulching material of 50 cm in thickness falls into two layers.Sublayer of 25 ～ 30 cm is watered as heating , and upper layer of 20 ～ 25 cm cover...
Before mulching with rice straw , bamboo shoots forest of Phyllostachys dulcis has been watered thorough .Mulching material of 50 cm in thickness falls into two layers.Sublayer of 25 ～ 30 cm is watered as heating , and upper layer of 20 ～ 25 cm cover...
