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›› 1993, Vol. 29 ›› Issue (2): 97-103.

• 论文及研究报告 •     Next Articles

STUDIES ON THE SOIL FERTILITY IN THE AGROFORESTRY PATTERN OF CHINESE FIR WITH LITSEA CUBEBA AND CROPS

Yang Yusheng,Yu Xintuo,Lin Xianfu   

  1. Fujian College of Forestry, Nanping 353001
  • Received:1991-10-31 Revised:1900-01-01 Online:1993-03-25 Published:1993-03-25

Abstract: Studies on soil biological activities, chemical properties and structures ofsoil, constituents of pores and water status have been carried out in differentAgroforastry patterns, including Chinese fir-litsea cubeba (A), Chinese fir-litsea cubeba-Soybean (B), Chinese fir-litsea cubeba-Tobacco (C) and pureChinese fir forest. The results indicuted that the resultes showed that the top-soil structures of pattern B and C became poor, the content of soil nutrientsdeclined, soil biological activities decreased, but the ripening level of subsoilraised. In order to maintain the soil fertility of cultivated land, Pattern B andC would reduce the strength of cultivation, shoten the period of interplantingtimes, and appropriately increase the amount of the fertiliers of N and P Pa-ttern A had a good ability to modifing soil. Thus it would be a good agro-forestry pattern for Chinese fir in south forest areas of China.

Key words: Chinese fir, Litsea cubeba, Pattern of agroforestry symposium, Soil fertility, Biological activities of soil