HAN Yong-wu.Effect of Different Returning Methods on Soil Compactness[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(11):38-40.[doi:10.11942/j.issn1002-2767.2016.11.0038]
不同还田方式对土壤紧实度的影响
- Title:
- Effect of Different Returning Methods on Soil Compactness
- 文章编号:
- 11-0038-03
- Keywords:
- black soil; soil compactness; farming
- 分类号:
- S152
- 文献标志码:
- A
- 摘要:
- 为提高东北地区耕地质量，确保粮食高产稳产，以东北黑土耕层为研究对象，在秸秆还田的前提下，通过耕作和有机肥处理，对土壤耕层的主要物理变化进行研究。结果表明：在春季土壤紧实度均随着土层深度的增加而增加。浅层黑土土层紧实度迅速增加，深层土壤紧实度变化不明显。两种耕作方式比较，翻耕还田的土壤紧实度均明显小于免耕覆盖处理。在夏季的土壤紧实度两种方式变化比较接近，始终表现为免耕覆盖高于翻耕还田，垄沟高于垄台。到秋季，0～15 cm土壤紧实度增长迅速，15 cm以下土壤紧实度变化较小，且不同还田方式、垄台与垄沟之间差异较小。
- Abstract:
- In order to improve the quality of cultivated land in northeast of China,and to ensure high and stable yield of grain,taking the black soil of northeast arable layer as the research object,on the premise of straw returned,through farming and organic fertilizer processing,the main physical change arable layer soil was studied. The results showed that in spring soil compactness increased with the increasing of soil depth. Black soil compactness in the shallow increased rapidly,soil compactness in the deep did not change significantly. Two kinds of farming methods were compared,soil compactness of returning tilling were significantly less than the no-till coverage. Soil compactness change was close for two ways in summer,and always showed no-till coverage higher than that of the ploughing counters-field set,ditch was above ridge.In autumn,soil compactness in 0~15 cm was growing fast,soil compactness change below 15 cm was little,and the difference between ridges and furrows of different returning methods was little.
参考文献/References:
[1]
邹文秀
,
韩晓增
,
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,
等
.
不同生态恢复方式及施肥管理对退化黑土物理性状的影响 [J].水土保持通报,2008,28(6):37-57. [2]孟凯,张兴义,随跃宇,等.黑龙江海伦农田黑土水分特征[J].土壤通报，2003,34(1):11-14. [3]赵秀兰,王桂玲,邹立尧,等.黑龙江省作物生长季农田土壤水分分区研究[J].东北农业大学学报，2004,35(1):6-10.
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备注/Memo
收稿日期：2016-09-29