Effects of Long-term Fertilization on the EOC Content in Vegetable Soil in Greenhouse

WANG Yan; YANG Lijuan; ZHOU Chongjun; CHU Huixia

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Effects of Long-term Fertilization on the EOC Content in Vegetable Soil in Greenhouse

- Effects of Long-term Fertilization on the EOC Content in Vegetable Soil in Greenhouse
- Bulletin of Soiland Water Conservation Vol. 29, Issue 4, Pages: 32-35(2010)
- 作者机构：
  
  沈阳农业大学土地与环境学院,辽宁,沈阳,110161
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- Published：2010
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WANG Yan, YANG Lijuan, ZHOU Chongjun, et al. Effects of Long-term Fertilization on the EOC Content in Vegetable Soil in Greenhouse[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 32-35.
DOI：

WANG Yan, YANG Lijuan, ZHOU Chongjun, et al. Effects of Long-term Fertilization on the EOC Content in Vegetable Soil in Greenhouse[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 32-35. DOI：

摘要

对农业可持续发展系统来说

土壤碳库容量是很重要的因子

其变化主要发生在易氧化碳库(EOC)里。在设施蔬菜施肥长期定位试验基础上

研究了长期施用有机肥和化肥对设施内土壤易氧化有机碳的影响。结果表明

除了长期不施肥的土壤外

其它施肥处理土壤易氧化有机碳含量均随着土层深度的增加而降低。A组(有机肥组)各土层以ANP(有机肥+氮磷化肥)处理易氧化有机碳含量最高

其次是ANPK(有机肥+氮磷钾化肥)、ANK(有机肥+氮钾化肥)

AN0(单施有机肥)含量最低;B组(不施有机肥组)中BNP(氮磷化肥)易氧化有机碳含量最高

其次是BNK(氮钾化肥)、BNPK(氮磷钾化肥)。与不施肥处理相比

长期施用有机肥能够显著提高0—60cm各层土壤易氧化有机碳的含量

且施用有机肥以及有机肥与氮磷钾化肥配施效果要优于不施有机肥处理。

Abstract

Soil carbon pool is very important for the sustainable development of agricultural systems and the change of soil carbon pool is mainly related to soil easily oxidized organic carbon(EOC). Results show that long-term application of manure and chemical fertilizers results in the reduction of the EOC content with decreased soil layer except no manure or chemical fertilizers. In group A (organic manure)

the EOC content in ANP(organic manure +nitrogen

and phosphorus fertilizers) is the highest

followed by ANPK(organic manure+ nitrogen

phosphorus

and potassium chemical fertilizers) and ANK(organic manure+nitrogen

and potassium chemical fertilizers). The EOC content in AN0 (organic manure without nitrogen fertilizer) is the lowest. In B group(chemical fertilizer group)

the EOC content in BNP(nitrogen and phosphorus chemical fertilizers) is the highest and then is the BNK(nitrogen and potassium fertilizers) and BNPK(nitrogen

phosphorus

and potassium chemical fertilizers). Compared with the no fertilization treatment

long-term fertilization can increase the EOC content in 0—60 cm soil layer and the application of organic manure

as well as organic manure and NPK chemical fertilizers

is better than the application of non-organic fertilizer.

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