[1]CHEN Hai-bin,CHEN Zhi-biao.Assessment of Soil Fertility under Soil and Water Conservation Measures in Red Eroded Soil Watershed-A Case Study in the Small Watershed of Zhuxi[J].Research of Soil and Water Conservation,2011,18(05):81-86.
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Assessment of Soil Fertility under Soil and Water Conservation Measures in Red Eroded Soil Watershed-A Case Study in the Small Watershed of Zhuxi
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
18
Number of periods:
2011 05
Page number:
81-86
Column:
Public date:
2011-10-20
- Title:
- Assessment of Soil Fertility under Soil and Water Conservation Measures in Red Eroded Soil Watershed-A Case Study in the Small Watershed of Zhuxi
- Keywords:
- eroded red soil areas; soil and water conservation measures; soil fertility; fuzzy mathematics
- CLC:
- S157
- DOI:
- -
- Abstract:
- According to the soil and water conservation measures set for soil and water loss control in the small watershed of Zhuxi, the fuzzy mathematics was used to evaluate the soil fertility recovery effect, provide reference to the subsequent management of the watershed and the promotion of soil and water conservation measures. The results showed that the effect of soil fertility under different control modes, the close hillsides to facilitate afforestation was the best, the ecological forest and grass took second place, the remoulded inefficient forest was poorer. The ecological building mode of sowing grass in the slope and mixed plantation of trees brushes and grasses were better, the level ditch planting was poorer. The FI value of the plot with Bashilihe was 0.53 after control for more than 20 years, the FI value of the plot set in 2000 only the close hillsides to facilitate afforestation and the sowing grass in the slope reached 0.4, the FI value of the plot set in 2006 was less than 0.3. The soil FI value was just in medium preference level after control more than 20 years, and just reached the medium level after control about 10 years, it explains that the soil fertility restoration was a slowly process.
- References:
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