Study on Method for Labelling Compost by Using (15NH4)2SO4

ZHAO Boshan; LI Huitao; XU Dudan

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Study on Method for Labelling Compost by Using (¹⁵NH₄)₂SO₄

- Study on Method for Labelling Compost by Using (¹⁵NH₄)₂SO₄
- Bulletin of Soiland Water Conservation Vol. 14, Issue 5, Pages: 19-23(1995)
- 作者机构：
  
  1. 西北农业大学土壤农化系陕西杨陵,712100
  2. 西北轻工业学院
- 作者简介：
- 基金信息：
- DOI：
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- Published：1995
- 稿件说明：
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ZHAO Boshan, LI Huitao, XU Dudan. Study on Method for Labelling Compost by Using (¹⁵NH₄)₂SO₄[J]. Bulletin of Soiland Water Conservation, 1995, 14(5): 19-23.
DOI：

ZHAO Boshan, LI Huitao, XU Dudan. Study on Method for Labelling Compost by Using (¹⁵NH₄)₂SO₄[J]. Bulletin of Soiland Water Conservation, 1995, 14(5): 19-23. DOI：

摘要

小型堆腐试验的结果表明:堆腐材料的C/N比和含N量

不影响堆肥有机N累积的比例

也不影响堆肥有机N组分的变化趋势?堆腐后

富含蛋白质的材料

氨基酸N和酸解铵态N的比例增加;富合纤维素和木质素的材料

提高未知态N和非酸解N的比例?加入的

N主要构成有机组分中的氨基酸N?在降温阶段加入(

)

能使氨基酸N比例增加?用

N直接标记堆肥

比用

N标记有机物料制造的堆肥

减少了

N损失

且提高了

N的转化率?

Abstract

Small-sized composting experiment shows that the C/N ratio and N contents of the material for composting did not influence the rate of organic nitrogen accumulation in the compost

nor the change tendency of the organic N components.After composting

the proportions of the amino acid-N and ammonia-N of the total hydrolyzable N were increased with the material rich in protein and those of the acid-insoluble N and the unidentifiable N were increased with the material rich in lignin and cellulose.The 15N added to the compost mainly constructed the amino acid-N of the organic N components.The addition of the(15NH4)2SO4 during the temperaturedecreasing stage could increase the proportion of the amino acid-N.Labelling compost directly using 15N had decreased its loss and increased its transformation rate compared with labelling the material for making compost

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