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LUJun-feng, WANG Hui, CAO Jing, YUANHong-bo. Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu[J]. Journal of Zhejiang A&F University, 2007, 24(3): 319-325.
Citation: LUJun-feng, WANG Hui, CAO Jing, YUANHong-bo. Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu[J]. Journal of Zhejiang A&F University, 2007, 24(3): 319-325.

Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu

Funds:

国家重点基础研究发展计划(973计划)项目(2002CB111505);甘肃省自然科学基金资助项目(3ZS051-A25-019)

  • Received Date: 2006-10-12
  • Rev Recd Date: 2007-01-04
  • Publish Date: 2007-06-20
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu

Funds:

国家重点基础研究发展计划(973计划)项目(2002CB111505);甘肃省自然科学基金资助项目(3ZS051-A25-019)

Abstract: The standing stock, nutrient content, and water holding capacity from litter layers of a Pinus tabulaeformis(oil pine)plantation at different ages(7, 10, 16, 23 and 30 years old) were compared with the control(Quercus aliena var. acuteserrata secondary forest). Results showed that the plantation standing stock at different ages ranged from 12.23 to 18.78 thm- 2 and was higher than that of the control. Macronutrients in the litter layer of the plantation at different ages varied between 8.56-1.40 gkg- 1 for N, 0.45- 0.63 gkg- 1 for P, and 0.74- 1.23 gkg- 1 for K. In forest litter of the P. tabulaeformis plantation, N and P were less than thatof the control, but K was higher. The average nutrient content in forest litter of the P. tabulaeformis plantationwas 158.36 kghm- 2 forN, 8.44 kghm- 2 for P, and 15.92 kghm- 2 forK. P in the plantationwas a little less than the control; but N and K were 1.31 and 2.99 times greater, respectively. In both P. tabulaeformis and Q. aliena var. acuteserrata plantations, water content, ranging from 38.98% to 59.22%,and saturated water-holding capacity, ranging from 246.95% to 300.33%, increased with age, and both were maximum in the 30-year-old plantation. The average water content of the plantation was slightly less than the secondary forest, but the saturated water-holding of the plantation was lower.[Ch, 6 fig. 2 tab. 21 ref.]

LUJun-feng, WANG Hui, CAO Jing, YUANHong-bo. Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu[J]. Journal of Zhejiang A&F University, 2007, 24(3): 319-325.
Citation: LUJun-feng, WANG Hui, CAO Jing, YUANHong-bo. Water holding capacity and nutrients of litter layers in a Pinus tabulaeformis plantation at different ages in Mount Xiaolong of Gansu[J]. Journal of Zhejiang A&F University, 2007, 24(3): 319-325.

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