LI Liang,YU Yang,JIANG Yu-bo,et al.Dynamic of Soil Moisture and Temperature Under Different Tillage Patterns of Maize in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(02):31-33.[doi:10.11942/j.issn1002-2767.2017.02.0026]
寒地玉米不同耕作方式下土壤水热动态
- Title:
- Dynamic of Soil Moisture and Temperature Under Different Tillage Patterns of Maize in Cold Region
- 文章编号:
- 1002-2767(2017)02-0026-05
- Keywords:
- spring maize; tillage pattern; soil moisture; temperature; yield
- 分类号:
- S513.048
- 文献标志码:
- A
- 摘要:
- 为解决东北春玉米春季低温干旱和耕层蓄水能力差的问题,设置3种耕作处理,即平作平管、平作垄管和垄作垄管,研究耕作方式对土壤水分、温度和玉米产量的影响。结果表明:3种耕作方式下土壤平均温度垄作垄管与平作垄管差异不大,高于平作平管1.26 ℃。平作可减少表层土壤水分的损失,垄作管理方式则可有效增加深层土壤含水量。不同耕作方式下,垄作垄管的产量比平作垄管和平作平管处理分别高3.8%和5.2%。
- Abstract:
- In order to solve the problem of dry at low temperature and poor water storage ability at top layer,concerning the chilling injury,drought and topsoil low moistureholding capacity during spring maize growth season in Northeast China,three treatments included shallow tillage without ridge (PP),ridge tillage after seedling (PL) and ridge tillage (LL) which were conducted in field to determine the effects of different tillage patterns on soil moisture,soil temperature and maize yield.The results showed that soil mean temperature was no difference between LL and PL and higher than that in PP by 1.26 ℃.The shallow tillage reduced soil moisture loss on surface and increase deep soil moisture in ridge tillage.During different tillage patterns,the higher grain yield in the LL plot than that in PL and PP by 3.8% and 5.2%.
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备注/Memo
收稿日期:2017-01-17