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生物碳系列性质之四:石灰效应

发布时间:06-08 22:56 来源: 作者: 阅读:3307 网友评论0

介绍其石灰效应

石灰效应liming effect
There was a general trend for increases in pH up on biochar addition to soils. This suggests that one of the main mechanisms may be a liming effect.
High biochar application rates of >67 t ha-1 (produced from poultry litter) were shown to have a negative effect on earthworm survival rates, possibly due to increases in pH or salt levels.
The greatest positive effects were seen on acidic free-draining soils with other soil types, specifically calcarosols showing no significant effect (either positive or negative).
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