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首页> 外文期刊>Sustainable Agriculture Research >Biochar Derived from the Dry, Solid Fraction of Pig Manure as Potential Fertilizer for Poor and Contaminated Soils
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Biochar Derived from the Dry, Solid Fraction of Pig Manure as Potential Fertilizer for Poor and Contaminated Soils

机译：源自猪粪干固部分的生物炭，可作为贫瘠和污染土壤的潜在肥料

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p class="sar-body" Pig manure results in the release of NHsub3/sub, NOsubx/sub, volatile organic compounds and odour nuisance. Pyrolysis of dried pig manure can be considered as an economical viable approach converting this agricultural waste into value added products. The produced amendment biochar can be used as a slow release fertilizer with high concentration of N, K and P and has beneficial effects as carbon sequester and improver of soil quality and crop productivity. It is proved that a 2 wt.% blending of biochar with a poor soil affects positively plant growth and crops (dwarf beans), and worm (emEisenia fetida/em) survival and production. Additional, available heavy metals are immobilised in the biochar and not leachable. The resulting biochar therefore offers prospects as low cost, slow release soil conditioner and fertiliser for a long term effect.
机译：class =“ sar-body”>猪粪导致NH 3 ，NO x ，挥发性有机化合物和臭味的释放。干猪粪的热解可以被认为是一种经济可行的方法，可以将这种农业废弃物转化为增值产品。所生产的改良生物炭可用作高浓度N，K和P的缓释肥料，并具有固碳，改善土壤质量和作物生产力的有益作用。事实证明，将2％（重量）的生物碳与贫瘠的土壤混合会对植物的生长和农作物（矮豆）以及蠕虫（）的生存和生产产生积极影响。另外，可用的重金属被固定在生物炭中并且不可浸出。因此，所产生的生物炭具有低成本，缓释土壤改良剂和肥料的长期前景。

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