1. The active affects of shelterbelts on environment in the semiarid region of Northeast China

   • Xiang Kai Fu

   OriginalPaper Pages: 1 - 5

2. The mechanism of seed deterioration

   • Liu Enju
   • Feng Yulong
   • Sun Hongzhi

   OriginalPaper Pages: 6 - 10

3. Haploid breeding ofpopulus

   • Liu Yuxi

   OriginalPaper Pages: 11 - 17

4. Key to the puparium of three larch cone flies in Strobilomyia (Diptera: Anthomyiidae)

   • Sun Jianghua
   • Roques A.
   • Hu Chunxiang

   OriginalPaper Pages: 18 - 21

5. Study on the provenance test of Dahurian Larch selection of best provenance

   • Yang Chuanping
   • Xia De’an
   • Zhang Zhengsu

   OriginalPaper Pages: 22 - 30

6. Biotechnology and its future

   • Guo Chengliang
   • Xu Sheng
   • Yu Sun

   OriginalPaper Pages: 31 - 35

7. Design and application of Model DZ1 log grapple driven by an electric drum

   • Wang Jingxin
   • Pan Delu

   OriginalPaper Pages: 36 - 40

8. The pulping and papermaking characteristics of youngL.gmelini andB.platyphylla

   • Liu Changen
   • Zhang Yingsheng
   • Pan Zhicao

   OriginalPaper Pages: 41 - 47

9. Chemical and physical changes of steam treated wood chip

   • Cai Liping
   • Han Shijie
   • Jia Manrong

   OriginalPaper Pages: 48 - 52

10. Effect of timber density on retention of wood preservatives

    • Zhang Shiran
    • Bian Liping

    OriginalPaper Pages: 53 - 59

11. Studies on stepwise stability constants of coordination compounds from sulfonated sheoak tannin with metal ions

    • Huang Jianling
    • Sun Dawang

    OriginalPaper Pages: 60 - 63

12. A comparative study between Fauna of Heilongjaing (China) and Alberta province (Canada)

    • Gao Zhongxin
    • Gao Erhu
    • Jiang Zhigong

    OriginalPaper Pages: 64 - 68

13. Research on the heredity and variation of the peruxidase isoenzyme of needles ofpinus koraiensis

    • Guan Weijun

    OriginalPaper Pages: 69 - 72

14. Classification of fire danger rating area in China

    • Zheng Huanneng
    • Yao Shuren

    OriginalPaper Pages: 73 - 76

15. Mechanism of electric field on physical and chemical properties of soil

    • Wang Yaqin
    • Gao Bo
    • Mu Daolin

    OriginalPaper Pages: 77 - 81

16. Estimation of abundance and distribution of Moose population in China

    • Piao Renzhu
    • Cai Dongxui
    • Jin Shibao

    OriginalPaper Pages: 82 - 90

17. A study on the physical mechanism of resistance of main poplar strains againstCryptorrhynchus lapathi L. in North China

    • Liu Jingquan
    • Hou Aiju
    • Ding Fujun

    OriginalPaper Pages: 91 - 106