Volume 17 Issue 4
Dec.  2000
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XU Qiu-fang, JIANG Pei-kun. Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest[J]. Journal of Zhejiang A&F University, 2000, 17(4): 364-368.
Citation: XU Qiu-fang, JIANG Pei-kun. Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest[J]. Journal of Zhejiang A&F University, 2000, 17(4): 364-368.

Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest

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浙江省教育厅基金资助项目(981177)

  • Received Date: 2000-03-20
  • Rev Recd Date: 2000-07-11
  • Publish Date: 2000-12-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest

Funds:

浙江省教育厅基金资助项目(981177)

Abstract: To understand the effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest , a trial was done in bamboo forest in Linan City of Zhejiang Province .Application of oil cake caused a significant increase in the number of bacteria and fungi in both root region and non-root region soil whether total amount (1 500 kghm-2 oil cake)or half the amount of oil cake (750 kghm-2 oil cake plus equal amount of mineral N , P , K)being applied .The bacteria numbers of soil applies with total amount and half the amount of oil cake are 2.02 and 1.72 times as that of the chesk soil in non-root region , 1.91 and 1.60 times in root region respectively .As to fungi numbers , the corresponding times are 1.98 and 1.62 in non-root region , 2.47 and 1.89 in root region , respectively .The same effect does not occur in actinomyces .Application of oil cake activates enzyme activity such as hydrogen peroxidase , urease , protease and sucrase in both non-root region and root region soil under bamboo forest .The above enzyme activities of soil applied with total amount of oil cake are 1.24 , 1.72 , 1.82 , 1.55 times as that of check soil in non-root region and 1.75 , 2.10 , 2.42 , 1.61 times in root region , respectively .The above enzyme activities of soil applied with half the amount of oil cake are 1.07 , 1.40 , 1.53 , 1.21 times as that of check soil in non-root region and 1.46 , 1.67 , 1.92 , 1.07 times in root region , respectively .The similar case does not appear to sucrase .Application of pure mineral fertilizer has no affirmative effect on enzyme activity in both non-root region and root region soil except urease and protease in root region soil.

XU Qiu-fang, JIANG Pei-kun. Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest[J]. Journal of Zhejiang A&F University, 2000, 17(4): 364-368.
Citation: XU Qiu-fang, JIANG Pei-kun. Effects of fertilizing on biological properties of root region soil under Phyllostachys pubescens forest[J]. Journal of Zhejiang A&F University, 2000, 17(4): 364-368.

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