Effects of Longterm Fertilization on Active Organic Matters in Black Soil

LIU Ying; ZHOU Lian-ren; MIAO Shu-jie; LIU Li; WU Li-quan

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Effects of Longterm Fertilization on Active Organic Matters in Black Soil

- Effects of Longterm Fertilization on Active Organic Matters in Black Soil
- Bulletin of Soiland Water Conservation Vol. 28, Issue 3, Pages: 133-136(2009)
- 作者机构：
  
  1. 东北农业大学资源与环境学院,黑龙江,哈尔滨,150030
  3. 塔里木大学植物科技学院,新疆,阿拉尔,843300
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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LIU Ying, ZHOU Lian-ren, MIAO Shu-jie, et al. Effects of Longterm Fertilization on Active Organic Matters in Black Soil[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 133-136.
DOI：

LIU Ying, ZHOU Lian-ren, MIAO Shu-jie, et al. Effects of Longterm Fertilization on Active Organic Matters in Black Soil[J]. Bulletin of Soiland Water Conservation, 2009, 28(3): 133-136. DOI：

摘要

通过测定长期定位施肥处理条件下，不同土层土壤各活性有机质的含量，探讨不同施肥处理对活性有机质的影响。主要有4个处理：不施肥(CK)、单施化肥(NPK)、单施有机肥(M)、有机肥—化肥配施(MNPK)。土壤活性有机质用KMnO

氧化法测定，采用3种浓度KMnO

(33，167，333 mmol/L)将土壤活性有机质分为高活性有机质(HAOM)、中活性有机质(MAOM)和活性有机质(AOM)。试验结果表明，长期施用有机肥或化肥均能提高土壤活性有机质的含量，尤其有机肥—化肥配施和单施有机肥对土壤活性有机质积累的作用大于单施化肥和无肥处理。施肥所增加的土壤活性有机质，主要是在0—20 cm土层，尤其在单施有机肥和有机肥—化肥配施处理上表现明显。施肥与否、施肥种类和不同土层对土壤中的总有机质和活性有机质均有明显影响。3种活性有机质含量之间都显著或极显著相关，高活性有机质与中活性有机质、高活性有机质与活性有机质、中活性有机质与活性有机质的相关系数分别为0.819

，0.812

和1.000

。可见，三种活性有机质之间，以活性有机质和中活性有机质的关系最为密切。

Abstract

The longterm fertilization experiment was carried out to analyze the effects of longterm fertilization on various active organic matters by determining concentrations of active organic matter in two soil layers(0—20 and 20—40 cm).Four treatments of no fertilizer(CK)

single application of chemical fertilizers(NPK)

single organic fertilizer(M)

and organic and inorganic fertilizer application(MNPK)were arranged.Soil active organic matter was measured with oxidation of three level concent rations of KMnO4

namely

167

and 333 mol/ L and thus three fractionations were high active organic matter(HAOM)

middle active organic matter(MAOM)

and active organic matter(AOM).Results showed that longterm application of organic manure or fertilizer can increase soil organic matter content

especially for organic and chemical fertilizer and single organic fertilizer treatments.Organic matter content in 0—20 cm soil layer was generally higher than that in 20—40 cm soil layer and fertilization caused an increase in organic matter concentration mainly in 0—20 cm soil layer.There were significant differences among fertilization modes

fertilizer types

and soil layers.In addition

there were significant relationships among the various active organic matters.The correlation coefficient for HAOM and MAOM was 0.819*;for HAOM and AOM

0.812*;and for MAOM and AOM

1.000**.Accordingly

MAOM and AOM were most closely connected among the three types of organic matter.

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