1999 Vol. 16, No. 3
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1999, 16(3): 219-223.
Abstract:
Double fertilization and seed formation of Calycanthus chinensis Cheng et S .Y .Chang were observed .It was showed that pollen tube got to embryo sac from micropylar in 8 days after the pollination .Double fertilization occurred in 10 ～ 13 days .Prim...
Double fertilization and seed formation of Calycanthus chinensis Cheng et S .Y .Chang were observed .It was showed that pollen tube got to embryo sac from micropylar in 8 days after the pollination .Double fertilization occurred in 10 ～ 13 days .Prim...
1999, 16(3): 224-227.
Abstract:
The relations among photosynthetic rate , respirational rate and environment factors of Pinus massoniana in east mid-subtropical zone of China were studied with infrared gas analytical apparatus . The results showed that the polycorrelations of photo...
The relations among photosynthetic rate , respirational rate and environment factors of Pinus massoniana in east mid-subtropical zone of China were studied with infrared gas analytical apparatus . The results showed that the polycorrelations of photo...
1999, 16(3): 228-233.
Abstract:
Basic properties of Sinojackia xylocarpa seed were determined and experiments with acid erosion , chemical treatment and low temperature were carried out in order to search out dormancy and germination nature of the seed .The results showed that weig...
Basic properties of Sinojackia xylocarpa seed were determined and experiments with acid erosion , chemical treatment and low temperature were carried out in order to search out dormancy and germination nature of the seed .The results showed that weig...
1999, 16(3): 234-237.
Abstract:
In the seedling nursery , 8 characters of 10 Cinnamomum camphora provenances were observed .These provenanoes represented 60 ones tested .The observation data were studied by variance analysis , relationship analysis and progressive analysis .The res...
In the seedling nursery , 8 characters of 10 Cinnamomum camphora provenances were observed .These provenanoes represented 60 ones tested .The observation data were studied by variance analysis , relationship analysis and progressive analysis .The res...
1999, 16(3): 238-241.
Abstract:
Two-year studies on growth characters of Phyllostachys heteroclada in Baimashan Forest Farm of Suichang , Zhejiang Province , suggest that bamboo shoots emerge from the second ten days of April to the second ten days of June , falling mainly on 3 ～ 3...
Two-year studies on growth characters of Phyllostachys heteroclada in Baimashan Forest Farm of Suichang , Zhejiang Province , suggest that bamboo shoots emerge from the second ten days of April to the second ten days of June , falling mainly on 3 ～ 3...
1999, 16(3): 242-246.
Abstract:
By long-term sample plot method , non-plot sampling and stem analysis , this paper illustrates the structure of evergreen broad-leaved forest with Schima superba aged 30 in Hangzhou .The community has full-developed special structure, including tree ...
By long-term sample plot method , non-plot sampling and stem analysis , this paper illustrates the structure of evergreen broad-leaved forest with Schima superba aged 30 in Hangzhou .The community has full-developed special structure, including tree ...
1999, 16(3): 247-251.
Abstract:
The meteorological factors inside two different ages of Eucalyptus exserta shelter-forests and in open area were contrasted at fixed positions in Shankou Forest Farm in the north torrid zone , Guangxi . The results showed that the mean daily gross en...
The meteorological factors inside two different ages of Eucalyptus exserta shelter-forests and in open area were contrasted at fixed positions in Shankou Forest Farm in the north torrid zone , Guangxi . The results showed that the mean daily gross en...
1999, 16(3): 252-259.
Abstract:
In order to timely understand the resistance of Panonychus cotri , guide chemical control and guarantee the economic benefit of the citrus gardens , the toxicity of 9 pesticides for this insect in Zhejiang was measured by means of slide maceration re...
In order to timely understand the resistance of Panonychus cotri , guide chemical control and guarantee the economic benefit of the citrus gardens , the toxicity of 9 pesticides for this insect in Zhejiang was measured by means of slide maceration re...
Investigation and analysis on litter and soil under natural secondary forests in Qiandaohu Lake area
1999, 16(3): 260-264.
Abstract:
Investigation of tree structure and test of soil samples were conducted by means of sample plot method in three forest farms in Qiandaohu Lake area in spring 1998 , in order to understand accumulation of litter and soil basic situation .The results s...
Investigation of tree structure and test of soil samples were conducted by means of sample plot method in three forest farms in Qiandaohu Lake area in spring 1998 , in order to understand accumulation of litter and soil basic situation .The results s...
1999, 16(3): 265-269.
Abstract:
The effects of defferent fertilizing measurements , different fertilizers and their amounts and proportions on Ginkgo biloba were studied in 1996 ～ 1997 .The results showed that spraying 3.0 gL-1 Leffingwell-2 and mixture of urea with potassium dihyd...
The effects of defferent fertilizing measurements , different fertilizers and their amounts and proportions on Ginkgo biloba were studied in 1996 ～ 1997 .The results showed that spraying 3.0 gL-1 Leffingwell-2 and mixture of urea with potassium dihyd...
1999, 16(3): 270-273.
Abstract:
A new management type of Phyllostachys pubescens forest was researched in Quxian County of Zhejiang Province in 1992 ～ 1998 , in which cutting of tender bamboo wood to produce papermaking raw material was brought into production management of bamboo ...
A new management type of Phyllostachys pubescens forest was researched in Quxian County of Zhejiang Province in 1992 ～ 1998 , in which cutting of tender bamboo wood to produce papermaking raw material was brought into production management of bamboo ...
1999, 16(3): 274-278.
Abstract:
The slash pine forest stands with different densities in mountainous region of the middle part of Fijian were studied .The results showed that the rapid growth period of slash pine was early .It was not only a good tree species to be cultivated for p...
The slash pine forest stands with different densities in mountainous region of the middle part of Fijian were studied .The results showed that the rapid growth period of slash pine was early .It was not only a good tree species to be cultivated for p...
1999, 16(3): 279-282.
Abstract:
Subcompartment data updating is required in local forest resource monitoring , and the prerequisits of its realization are to build up both dynamic database and data updating models for the subcompartments .This paper stresses on the latter in which ...
Subcompartment data updating is required in local forest resource monitoring , and the prerequisits of its realization are to build up both dynamic database and data updating models for the subcompartments .This paper stresses on the latter in which ...
1999, 16(3): 283-286.
Abstract:
The results of the study on rejuvenating the old seed tea by grafting with some high yield and good quality clones were those :1 .Instead of binding , earthing up the stitch was much easier and could improve the survival rate ;to bind with plastic fi...
The results of the study on rejuvenating the old seed tea by grafting with some high yield and good quality clones were those :1 .Instead of binding , earthing up the stitch was much easier and could improve the survival rate ;to bind with plastic fi...
1999, 16(3): 287-292.
Abstract:
Veneered plywood of Fraxinus mandshurica was treated with H2O2 etc .as surface treatment agent of wood .The results of continual roller tests indicated that appearance of majority of tested veneered plywood was obviously improved , and was far beyong...
Veneered plywood of Fraxinus mandshurica was treated with H2O2 etc .as surface treatment agent of wood .The results of continual roller tests indicated that appearance of majority of tested veneered plywood was obviously improved , and was far beyong...
1999, 16(3): 293-296.
Abstract:
Based on the orthogonal tests of PVAc bonding to poplar veneers with the electric field , the influence of the electric potential differences of backing plates andmoisture contents of veneer on adhesive strength was explored .The results showed that ...
Based on the orthogonal tests of PVAc bonding to poplar veneers with the electric field , the influence of the electric potential differences of backing plates andmoisture contents of veneer on adhesive strength was explored .The results showed that ...
1999, 16(3): 297-302.
Abstract:
It is great important in theory and practical production to research effects of glass transition temperature (tg) on laminated boards .At different tg , thermal expansion , heat resistance , flexure strength of liminated boavds were compared .The res...
It is great important in theory and practical production to research effects of glass transition temperature (tg) on laminated boards .At different tg , thermal expansion , heat resistance , flexure strength of liminated boavds were compared .The res...
1999, 16(3): 303-307.
Abstract:
Garden name and landscape name belong to important parts of humane landscape .The garden names and landscape names keeping in existence today are the crystallization of excellent traditional culture .The study shows that there are two systems of nami...
Garden name and landscape name belong to important parts of humane landscape .The garden names and landscape names keeping in existence today are the crystallization of excellent traditional culture .The study shows that there are two systems of nami...
1999, 16(3): 308-310.
Abstract:
Let Kq1, q be a tree on 2q +1 vertices from K1, q by joining a new end-vertex to each vertex with degree one of K1, q .In this paper , the following results are obtained :if T is a tree on 2q +1 vertices with the edge independence number q , when q 2...
Let Kq1, q be a tree on 2q +1 vertices from K1, q by joining a new end-vertex to each vertex with degree one of K1, q .In this paper , the following results are obtained :if T is a tree on 2q +1 vertices with the edge independence number q , when q 2...
1999, 16(3): 311-314.
Abstract:
Swellings on trunks and branches commonly occur in spring and seriously harm growth of grafting plants of Chinese chestnut .Some field investigations and the tests of pathogene culture and inoculation about swellings on rinds of Castanea mollissima i...
Swellings on trunks and branches commonly occur in spring and seriously harm growth of grafting plants of Chinese chestnut .Some field investigations and the tests of pathogene culture and inoculation about swellings on rinds of Castanea mollissima i...
1999, 16(3): 315-317.
Abstract:
Chinese chestnut seeds were sowed for breeding stocks in January to February .During May to July , patch hardwood grafting was taken when the ground diameter of stock reached over 0.4 cm and the diameter of grafting location (above ground 5.0 cm)grow...
Chinese chestnut seeds were sowed for breeding stocks in January to February .During May to July , patch hardwood grafting was taken when the ground diameter of stock reached over 0.4 cm and the diameter of grafting location (above ground 5.0 cm)grow...
1999, 16(3): 318-321.
Abstract:
In the first ten days of November , the elite seeds of Cunninghamia lanceolata were sowed in the rice field which fitting seedling .The rise field after just harvesting was not plowed , but the seedbeds must be made carefully , and ground fertilizer ...
In the first ten days of November , the elite seeds of Cunninghamia lanceolata were sowed in the rice field which fitting seedling .The rise field after just harvesting was not plowed , but the seedbeds must be made carefully , and ground fertilizer ...
1999, 16(3): 322-326.
Abstract:
This article discusses the overall design of campus landscaping and the structural elements of campus green culture for Zhejiang University of Technology .The design of campus landscaping should de realistic , and fully regard natural environment , i...
This article discusses the overall design of campus landscaping and the structural elements of campus green culture for Zhejiang University of Technology .The design of campus landscaping should de realistic , and fully regard natural environment , i...
1999, 16(3): 327-330.
Abstract:
Some positive studies on two eco-villages in Zhejiang Province indicate that the key to success in eco-village construction is that relationship between eco-benefit and economic benefit is handled correctly .For this , it proposes the following measu...
Some positive studies on two eco-villages in Zhejiang Province indicate that the key to success in eco-village construction is that relationship between eco-benefit and economic benefit is handled correctly .For this , it proposes the following measu...
