Summarization of Researches on Protection forest
jiang lijuan (hunan academcy of forestry; 410004 changsha)

..............page:21-27

Soil-conserved agro-forest at Yinan experimental and demonstrational area—— Management type, Arrangement techniques
fu shaochun; yuan zhengke; jiang lijuan (hunan academcy of forestry; changsha 410004)

..............page:60-66

Capacity of soil conservation on the slow-up hillside terraces with different plant covers
tian yuxin; li xiqun; yuan zhengke; zhou xiaolin (hunan academcy of forestry; changsha 410004)

..............page:78-82

Relationships between the production of companion crops under forests and soil erosion at hilly area in South Hunan
tian yuxin 1; yuan zhengke 1; li xiqun 1; chen yiliang 2 (1 huana academcy of forestry; changsha 410004; ?2 forestry bureau of hengyang county; hengyang 421200)

..............page:72-77

Effects of plant covers on soil erosion under young forests at hilly area of south Hunan
yuan zhengke; tian yuxin; li xiqun; chen minggao (hunan academcy of forestry; changsha 410004)

..............page:67-71,20

Comprehensive reports on technologies for establishing experiment and demonstration protection forest system ——Origin, achievements and distinguishing characteristics
yuan zhengke (hunan academcy of forestry; changsha 410004)

..............page:11-20

Comprehensive reports on technologies for establishing experiment and demonstration protection forest system—Background, methods and tendency
yuan zhengke (hunan academcy of forestry; changsha 410004)

..............page:1-10

Study on optimizing management system of experiment and demonstration protecti agro-forest at Yinnan, Hengyang
zhou gang 1; ni aiping 2; yuan zhengke 1; wang dehong 2 (1 ?hunan academcy of forestry; changsha 410004; ? 2 ?hengyang county forestry bureau 421200)

..............page:53-59

Application of multi-purpose strategy in construct of protection forest and optimizing of forest structure
zhang haojun 2; xiao bin 3; wang dexiong 4; yuan zhengke 1; dong liqing 4 (1.?hunan academcy of forestry; changsha 410004; ?2.?central south forestry university; zhuzhou 412006; 3.?hunan silvicultural bureau; changsha 410007; ?4.?hengyang

..............page:33-52

Evaluation system for optimizing structure of protection forest at Hengyang county
wang dexiong 3; ?zhang haojun 2; ?yuang zhengke 1; ?zhang dequan 4 (1 hunan academcy of forestry; changsha 410004; ?2 central south forestry university; zhuzhou 412006; 3 forestry bureau of hengyang city hengyang 421000; ?4 forestry bureau o

..............page:28-32,27