1996 Vol. 4, No. 1

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1996, 4(1): 1-6.
Abstract(868) PDF(914)
Abstract:
1996, 4(1): 7-10.
Abstract(928) PDF(32)
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1996, 4(1): 11-12.
Abstract(963) PDF(43)
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1996, 4(1): 13-14.
Abstract(877) PDF(30)
Abstract:
The main patterns of ecological agriculture in China and the ecology principles of their sustainable development
Sun Hongliang
1996, 4(1): 15-22.
Abstract(838) PDF(1125)
Abstract:
The planting patterns of ecological agriculture in China are varied with consummate agronomic skills which are the results of long practice of farmers. Based on analysis of ten popularized planting patterns in China, the characteristics of high yield and high efficiency of those patterns are presented and the eclolgical principles of their sustainable development are summed up in this paper.
Macroregulation of the integrated rural energy construction
Zhang Renwu
1996, 4(1): 23-25.
Abstract(1134) PDF(894)
Abstract:
Based on the analysis of the characteristics of agricultural ecoeconomic system concerned with the integrated rural energy eonstruetion，the relation of the integrated rural energy construction with the eco-environmental construction，and the importance of the programming for the integrated rural energy construction under the situation of market economy are discussed in this paPer．
A study on the patterns of development of ecoeconomic system in mountain districts
Lin Qingfa
1996, 4(1): 26-28.
Abstract(922) PDF(937)
Abstract:
Eco-ceonomic system in mountainous areas refers to that for integrated managing the hilly areas by dividing them into small scale valleys as basic unit, a rational comprehensive eco-economic system of agriculture, forestry,animal husbandary,sidelines and fishery with emphasis on forestry and fruit production is developed by suiting measures to local conditions. The concept,acceptance criterion,background and features of the eco-economic system and the importance of forming eco-economic system in integrated managing mountain districts from the results of a typical case study are presented.
Technological principles and strategies for development of resourcesaving eco-agriculture in the transitional zone of mountain and plain--A case study from Xilingdi Experimental Area in the hilly districts of Mt. Taihang
Liu Jintong, Bi Xudai, Cai Hong
1996, 4(1): 29-32.
Abstract(1217) PDF(1017)
Abstract:
Based on the analysis of agricultural resources and the problems in Xilindi Experimental Area in the hilly districts of Mt. Taihang,which can represent the general situations of the transitional zone of mountain and plain,some key technologies were presented to develop resource-saving eco-agriculture in the area,which include developing intensive ecological planting with priority at water-saving,economic forestry and fruit trees with priority at ecological protection,small-scale animal husbandary with priority at grain-saving,and processing industries for farm and sideling products.Then relevant measures were put forward.
A research on nullisomic backcross method for breeding alien substitution lines
Mu Sumei, Zhong Guanchang, Li ZhenSheng, Li Bin
1996, 4(1): 33-36.
Abstract(1274) PDF(913)
Abstract:
The embryoes of F1 hybrids between 4D nullisomic wheat, as female，and rye，as male，were cuhured after fertilizing 16 to 18 days，and the F1 plantlets were doubled under the treatment of 0．05% colchieine．The doubled plantlets were then backcrossed with nullisomics oneto two times．thus wheat-rye alien substitution lines could be obtained．There were about 18．5% of monosomic substitution plants and about 24．0% of double monosomic substitution in the B1F1．Aline substitution lines 4D／4R were produced by their selfing．Now some of the aline substitution lines have been applied directly to production．
A research on elimination of the bad smell pollution to ecoenvironment from poultry dung
Hu Shang-qin, Zhou Kai-xiao
1996, 4(1): 35-37.
Abstract(1109) PDF(902)
Abstract:
Based on the functions of microorganisms on removing bad smell from poultry dung,more than 85% of the bad smell from the poultry dung can be eliminated when the dung is fermented by special microorganisms plus certain supplemental materials. This method provides an effective way for using the dung as fertilizer by clearing up its bad smell.
An introduction about studies on the physiology of plant drought resistance
Li Yunyin
1996, 4(1): 37-41.
Abstract(820) PDF(794)
Abstract:
Progresses of the research on the physiolgy of plant drought resistance in recent years were introduced in this paper,which include: osmotic adjustment,chang of biomembrane structrue, membrane lipid peroxidation,protein inducing ang physiological and ecological changes under water stress conditions.And ways of saving water and increasing drought resistance of the plants for high yield were discussed.
A study on the cultivation techniques for rice(Oryza sativa L．)grown in arsenictoxic paddy soils
Chen Tongbin, Liu Gengling
1996, 4(1): 42-44.
Abstract(916) PDF(929)
Abstract:
Field experiments were carried out to study the cultivation techniques for growing rice (Oryza sativa L．)in arsenic-toxic paddy soil in southern Hunan Province．The results showed that by application of ridge planting the rice yield could be increased．But rice grain yield was decreased when phosphate fertilizer or rice straw was applied to the arsenic-toxic soils.
The structure and functions of a compound agro-ecosystem for utilization of the uncultivated land in the suburb of Tianjin
Cheng Zhishan, Ma Cuiping, Liu Xianjue
1996, 4(1): 45-48.
Abstract(1469) PDF(896)
Abstract:
Uncultivated land is a waste of valuable agricultural resources,especially in the suburbs. In order to fully utilization of the waste land in Tianjin suburb,a compound agro-ecosystem was built based on eco-engineering at the test plot.The system is a feature of "fruit fish-domestic animal-domestic bird". The structure and functions of this system were analysed to provide ways for exploiting the abundant waste land in suburbs.
A research on the eco-agricultural construction at Qiaopo Town-ship,Baihe County,Shaanxi province
Qiu Ling, Zhu Yiman, Li Dalin
1996, 4(1): 49-53.
Abstract(1476) PDF(1006)
Abstract:
On the basis of analysing the natural eco-environment and causes of eco-economic poverty at Qiaopo Township,three major measures in biology,engineering and cultivation were adopted and four kind of eco-structure patterns were applied to this township.Favorable ecological,economic and social results had been achieved.
Problems in agricultural developmeat in the plain located in front of Mt. Taihang and ways for dealing with--A case study from Luancheng County,Hebei Province
Lu Fubao, Wang Shaoren, You Maozheng
1996, 4(1): 54-57.
Abstract(1227) PDF(988)
Abstract:
Th serious shortage of land resources, intensified contradiction of water supply and need, gross waste of crop straw and etc. are major problems confronted with the agricultural development in the plain located in front of Mt．Taiheng．Based on several years’experiments and demonstration researches in Luanchen County，some ways for solving those problems and keeping the sustainable development of agriculture in this region were presented．
Ways for developing the waste bricklin land at Kangji Ecological Farm and their benefits
Zhou Zhixiang, Zhong Maogong
1996, 4(1): 58-61.
Abstract(1169) PDF(1008)
Abstract:
Results from the detailed analysis of the measures and economic results of exploiting the waste bricklin land at Kangji Ecological Farm，Chengwu County，Shandong Province showed that combination of agriculture，forestry,animal husbandary, sidelines and fishery is an effective way for renovation of the waste land and improvement of the ecological environment. At the same time, remarkable profits could be achieved with varied products produced for society.·
An analysis of the benefits of forestherbage intercropping systems in semi-arid Taihang Mountain Areas
Wang Jianjiang, Yang Yonghui, Zhang Wanjun
1996, 4(1): 62-64.
Abstract(899) PDF(792)
Abstract:
Based on several years’experiments in the hilly districts in Mt．Taihang，the ecological and economic benefits of forest-herbage interplanting systems were studied．The results indicated that herbage played an important role on improvement of soil fertility and the productivity of the fruit trees in the intercropping system．The results provide the base for extending artificial herbage planting to this mountainous districts．
Quantitative index and techniques for sound seedling and thin planting of rice after wheat harvested
Sun Quande, Bai Youshan, Han Junjie
1996, 4(1): 65-67.
Abstract(1084) PDF(1025)
Abstract:
Experiments on rice varieties,density,seedling raising,fertilizer application and spraying were carried out. The results showed that sound seedling and thin planting coordinated with large heavy ear rice variety and V-fertilizing of Nfor groving rice after wheat harvested. Ideal type of plant,rational density of thin planting and favorable yield structure were necessary for high yield of the rice.The results also confirmed that yield of the rice could be increased by wet raising seedlings,combination of N,P,K and Zn fertilizers,application of Si,spraying bilineurine compound and minor elements.
An analysis of the tree-tea-crop interplanting system and its benefits in Yuanyang County,Sichuan Province
Tang Zhicheng
1996, 4(1): 68-71.
Abstract(970) PDF(974)
Abstract:
For developing the poor mountainous districts in Yuanyang County,Sichuan Province and based on the extensive investigations, it was pointed out that developing a compound Tree-Tea-Crop interplanting system could bring out remarkble ecological,economic and social results to the poor areas.
Studies on the salt endurance of forage grasse
Wang Zhansheng, Zhu Han, Sun Jingyu
1996, 4(1): 72-75.
Abstract(1017) PDF(936)
Abstract:
Experiments on salt tolerance of five herbage varieties were carried out at the experimental sites in the water-deficient salinized region of Heilonggang．The results showed that salttolerance of the five varieties at their early growgh period was at 0．3 to 0．4% of soil salt contents．and during their middle growth periods，salt-endurance Was increased to 0．5 to 0．7％．The five herbage varieties can grow very well in the salt-affeeted soils at the test sites．So it is suitable to grow those high salt-tolerant grasses in this region.
Dynamics of soil potassium and effects of fotassium fertilizer application in the rice growing areas of Hexi Passage
Xu Cuncai
1996, 4(1): 76-79.
Abstract(1116) PDF(889)
Abstract:
Six years' location investigations and tests on soil K dynamics in the rice growing areas of Zhangye City, which locates in the central part of Hexi passage,showed that soil Kcontents of different type of soil are all decreasing,the decreasing rate is in relation to soil type,amouns of N,P and Zn fertilizers applied.Based on long-period tests the optimum amount of K fertilizer application was got. This provided the base for rational application of potassium fertilier to rice.

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