[1]HAN Jianhong,WANG Xuping,ZHANG Lianke,et al.Effects of Corn Straw and Sewage Sludge on Chemical Indicators of Saline Alkali Land[J].Research of Soil and Water Conservation,2017,24(03):103-107.
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Effects of Corn Straw and Sewage Sludge on Chemical Indicators of Saline Alkali Land
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 03
Page number:
103-107
Column:
Public date:
2017-06-28
- Title:
- Effects of Corn Straw and Sewage Sludge on Chemical Indicators of Saline Alkali Land
- CLC:
- S156.4;S153.1
- DOI:
- -
- Abstract:
- In order to explore the effect of fermented corn straw on the chemical properties (organic matter, ESP, pH value, EC, soil exchangeable Na+) of saline alkali soil in Inner Mongolia area, sludge was used as inoculum under laboratory conditions, the corn straw was applied to the saline alkali soil under different fermentation conditions, with no-fermented corn straw as the control. The results showed that: (1) corn straw was applied to improve the partial chemical properties of soil, and the effect of fermented corn straw was better than that of no-fermented corn; (2) the soil organic matter content increased greatly, the ESP, pH value and exchangeable Na+ significantly reduced when the ratio of corn straw and sludge was 2∶1 and the amount of straw returning was 75%; (3) the effect of corn straw on EC was not obvious, but the EC increased especially after the fermentation. Therefore, under the experimental conditions, the optimal parameters were that the ratio of corn straw and sludge was 2∶1, the fermented mass ratio of corn straw and saline alkali soil was 75%.
- References:
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1900-01-01