施肥方式对稻麦轮作土壤团聚体分布的影响

白娜玲; 吕卫光; 李双喜; 郑宪清; 张娟琴; 张海韵; 周胜; 孙会峰; 张翰林

doi:10.13870/j.cnki.stbcxb.2019.03.014

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施肥方式对稻麦轮作土壤团聚体分布的影响

更新时间：2025-03-12

- 施肥方式对稻麦轮作土壤团聚体分布的影响
- Effects of Fertilization Patterns on Soil Aggregates Distribution in Rice-wheat Rotation Systems
- 水土保持学报 2019年33卷第3期页码：88-93
- 作者机构：
  
  1. 上海市农业科学院生态环境保护研究所,上海,201403
  2. 农业部上海农业环境与耕地保育科学观测试验站,上海,201403
  3. 上海市农业环境保护监测站,上海,201403
  4. 上海市设施园艺技术重点实验室,上海,201403
  5. 上海低碳农业工程技术研究中心,上海,201415
- 作者简介：
  
  [ "白娜玲(1989-),女,博士,助理研究员,主要从事微生物生态研究。E-mail:bainaling@saas.sh.cn" ]
- 基金信息：
  
  国家自然科学基金项目（41501259）上海市青年科技英才扬帆计划项目（18YF1420900）国家重点研发计划项目（2016YFD0200804）上海市农业科学院卓越团队建设计划项目
- DOI：10.13870/j.cnki.stbcxb.2019.03.014
  中图分类号：
- 纸质出版：2019
- 稿件说明：
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白娜玲, 吕卫光, 李双喜, 等. 施肥方式对稻麦轮作土壤团聚体分布的影响[J]. 水土保持学报, 2019,33(3):88-93.

BAI Naling, LÜ Weiguang, LI Shuangxi, et al. Effects of Fertilization Patterns on Soil Aggregates Distribution in Rice-wheat Rotation Systems[J]. 2019, 33(3): 88-93.
白娜玲, 吕卫光, 李双喜, 等. 施肥方式对稻麦轮作土壤团聚体分布的影响[J]. 水土保持学报, 2019,33(3):88-93. DOI： 10.13870/j.cnki.stbcxb.2019.03.014.

BAI Naling, LÜ Weiguang, LI Shuangxi, et al. Effects of Fertilization Patterns on Soil Aggregates Distribution in Rice-wheat Rotation Systems[J]. 2019, 33(3): 88-93. DOI： 10.13870/j.cnki.stbcxb.2019.03.014.

摘要

土壤是人类赖以生存的重要资源，团聚体作为土壤结构的基础单元，不仅提高土壤肥力、调节养分的生物有效性，而且增强土壤抗侵蚀能力。通过6年试验，研究了不施肥（CK）、常规施肥（CF）、秸秆+缓释肥（SRF）和有机无机混施（OCF）4种施肥方式对土壤养分含量及各粒级团聚体分布的影响，为揭示施肥措施对土壤地力形成演变的影响机制提供理论基础。结果表明：SRF和OCF处理0—20，20—40 cm土层土壤的SOC含量较CF显著增加10.06%，19.23%和9.84%，16.79%）3种施肥处理0—20，20—40 cm土层的TN差异不显著，但均高于CK处理）OCF处理中0—20 cm土层的C/N比较CF增加16.44%（p<0.05）。SRF处理较CK显著提高了0—20 cm土层R0.25（10.93%））20—40 cm土层，OCF处理中R0.25显著高于其他3个处理，分别高出32.62%（CK），19.75%（CF），19.44%（SRF）（p<0.05）。相比CF处理，SRF和OCF提高了0—20，20—40 cm土层的平均质量直径MWD（1.54%~16.92%，2.17%~28.26%）和平均几何直径GMD（5.88%~14.71%，13.04%~39.13%），降低了分形维数D（1.11%~2.09%，4.99%~5.44%），且OCF处理更为显著（p<0.05）。可见，秸秆+缓释肥和有机无机混施处理均有利于土壤肥力提升，且后者效果更为显著。MWD和GMD与土壤SOC和TN的相关性较高，均适合用于揭示团聚体与土壤总有机碳、总氮含量之间的关系）但分形维数D与之无显著相关性关系。

Abstract

Soil is an important resource for human survival. Soil aggregate

as the basic unit of soil structure

can not only improve soil fertility

regulate the bioavailability of nutrients

nut also

but nutrients also enhance soil anti-erosion ability. In this research

four fertilization patterns were applied in a rice-wheat rotation system at Shanghai Zhuanghang long-term positioning test station for six years

which were non-fertilization (CK)

conventional inorganic fertilization (CF)

straw returning to field with slow release fertilizer (SRF)

and mixed organic fertilizer with chemical fertilizer treatment (OCF). It provides a theoretical basis for revealing the influence mechanism of fertilization methods on the formation and evolution of soil fertility. SRF and OCF increased the SOC contents in 0-20 cm and 20-40 cm soil by 10.06%

19.23% and 9.84%

16.79%

respectively. OCF also increased the level of C/N in 0-20 cm (16.44%). There was no significant difference in TN contents in both 0-20 cm and 20-40 cm soil layers under CF

SRF

and OCF. But they were all higher than that of CK. Compared with CK

SRF significantly improved R0.25 in 0-20 cm soil layer by 10.93%. OCF increased the R0.25 in 20-40 cm

compared with the other three treatments (32.62% CK

19.75% CF

19.44% SRF) (p<0.05). Compared with CF

SRF and OCF increased MWD (1.54%~16.92%

2.17%~28.26%) and GMD (5.88%~14.71%

13.04%~39.13%)

decreased D (1.11%~2.09%

4.99%~5.44%) in the 0-20 cm and 20-40 cm soil layers

with the more prominent effect for OCF (p<0.05). In conclusion

both SRF and OCF were beneficial to soil fertility improvement

and effect of OCF was more significant. The correlations between MWD and GMD and soil SOC and TN were significant

which

therefore

were suitable for revealing the relationships between aggregation and the soil nutrient contents. However

there was no significant correlation between soil nutrients and D.

关键词

Keywords

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