[1]QIAN Zhou,YU Yuan-chun,YU Xiao-peng,et al.Changes of Soil Enzyme Activities in Mu Us Sandy Land with Aerial Seeding Afforestation[J].Research of Soil and Water Conservation,2014,21(06):95-100.
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Changes of Soil Enzyme Activities in Mu Us Sandy Land with Aerial Seeding Afforestation
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
21
Number of periods:
2014 06
Page number:
95-100
Column:
Public date:
2014-12-28
- Title:
- Changes of Soil Enzyme Activities in Mu Us Sandy Land with Aerial Seeding Afforestation
- Keywords:
- Mu Us sandy land; aerial seeding; vegetation restoration; soil nutrient; soil enzyme activity
- CLC:
- S156
- DOI:
- -
- Abstract:
- The soil enzyme activities in different vegetation restoration periods by aerial seeding afforestation in Mu Us sandy land of Inner Mongolia Autonomous Region were studied. The results revealed that soil urease, sucrase and phosphatase activities increased remarkably after 17 years of revegetation, and soil catalase activity increased at the early stage of vegetation restoration. At the same time, soil urease, sucrase and phosphatase enzyme activities showed stronger correlations with soil nutrients, while this correlation in the surface soil (0—10 cm) is stronger than in the lower layer (10—40 cm). In addition, there was a highly significant correlation among soil urease, soil invertase and soil phosphatase activities (p < 0.01) of surface soil (0—10 cm). These indicated that in the process of vegetation restoration, soil urease, invertase, phosphatase activities and soil nutrient promoted each other due to afforestation in Mu Us Sand land by aerial seeding. This result showed soil enzyme activity could reflect soil nutrient in the process of vegetation restoration. Indeed, there was a close relationship between the transformation of nitrogen, polysaccharide and organic phosphorus in the surface soil.
- References:
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