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- W2363433675 abstract "Problems ofreclaimed soil exist in the Loess Plateau opencast mine area such as bad soil structure and extreme poverty in soil nu-trients and so on. Using field experiment, weathered coal was chosen in this research as repair media. Effect of weathered coal on physico- chemical properties of reclaimed soil after planting Robinia pseucdoacacia was studied in this experiment. Results showed that application of weathered coal could significantly improve the quality of soil aggregates, increase the content of water stable aggregates and cation exchange capacity in 0～20 cm and 20～40 cm soil layer. The organic matter and humus in 0～20 cm soil layer were significantly improved at the same time. The content oforganic matter and humus in 0～20 cmsoil layer were higher than it in 20～40 cm soil layer, and effects of amendments on organic matter and humus in 20～40 cm soil layer were not obvious. Change of pH was not obvious with weathered coal application. The ef- fects of amendments on physicochemical properties in 0～20 cm soil layer were more significant as the amendment time longing. Except organic matter and humus, effects of amendments on physicochemical properties in 20～40 cm soil layer had same trend with 0～20 cm soil layer. In conclusion, physicochemical properties of reclaimed soil were improved with weathered coal application. And the best application amount ofweathered coal for reclaimed soil improvement in the loess plateau opencast mine area was 27 000 kg·hm-2." @default.
- W2363433675 created "2016-06-24" @default.
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- W2363433675 date "2008-01-01" @default.
- W2363433675 modified "2023-09-26" @default.
- W2363433675 title "Physicochemical Properties of Reclaimed Soil with Weathered Coal in Open Cast Mining Areas of Loess Plateau" @default.
- W2363433675 hasPublicationYear "2008" @default.
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