[1]TA Fei,DONG Zhibao,NAN Weige,et al.Study on the Characteristics of Aeolian Sandy Soils in Plantation and Natural Stand of Sabina vulgaris[J].Research of Soil and Water Conservation,2021,28(02):80-87.
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Study on the Characteristics of Aeolian Sandy Soils in Plantation and Natural Stand of Sabina vulgaris
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
28
Number of periods:
2021 02
Page number:
80-87
Column:
Public date:
2021-02-06
- Title:
- Study on the Characteristics of Aeolian Sandy Soils in Plantation and Natural Stand of Sabina vulgaris
- CLC:
- S152
- DOI:
- -
- Abstract:
- To better understand the effect of vegetation restoration on the physical and chemical properties of aeolian soils, the artificial forest and natural forest of Sabina vulgaris in the southeast edge of Mu Us Dune field were taken as the research objects. Through collecting soil samples of 5 soil layers(0—100 cm)in the forest lands, the composition of soil particles and 8 physical and chemical indexes under the shrub were analyzed, and the improvement effect of vegetation restoration on aeolian sandy soil was discussed. The results showed that the grain size of the soil in the study area was mainly composed of sand(97.09%), followed by silt and clay; the soil was weak alkaline, and low nutrient content and obvious surface accumulation(0—40 cm); there was a good correlation between soil nutrient content and soil particle size, which showed that the contents of soil organic matter, available potassium, TOC and salinity had a linear positive correction with the content of fine sand material(mean diameter<100 μm), whereas a negative linear relationship with the content of coarse sand material(100～500 μm)was found. Therefore, this study also demonstrated that the improvement effect of 16-year-old plantation was better than that of 7-year-old plantation, and the improvement effect of windward slope of natural stand was better than leeward slope. On the whole, with the increase of afforestation time, the distribution of soil particle size tends to be better, the soil structure is optimized and the process of land desertification is slowed down. Therefore, Sabina vulgaris can be used as a good shrub in ecological restoration project in Mu Us Dune field.
- References:
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Last Update:
2021-02-10