GAO Pan,LIU Yu-tao,WANG Yu-xian,et al.Effect of Deep Loosening on Water Storage Capacity of Soil and the Yield of Maize in Semi-arid Regions[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(04):23-26.[doi:10.11942/j.issn1002-2767.2016.04.0023]
深松对半干旱区土壤蓄水能力及玉米产量的影响
- Title:
- Effect of Deep Loosening on Water Storage Capacity of Soil and the Yield of Maize in Semi-arid Regions
- 文章编号:
- 1002-2767(2016)04-0023-04
- Keywords:
- semiarid region; maize; deep loosening; deep tillage; soil bulk density; soil moisture; yield
- 分类号:
- S513
- 文献标志码:
- A
- 摘要:
- 为探讨深松耕作在半干旱地区效果,以先玉335为试验材料,研究秋季深松(A)、春季深松(B)、常规耕作(旋耕)(C)对耕层土壤容重、土壤含水量及玉米产量的影响。结果表明: 15~25 cm土层内处理A和处理土壤容重明显降低,处理B和处理C土壤容重差异达到显著水平;深松增加了土壤蓄水量,处理A的土壤含水量在3个土层中的土壤含水量均高于处理B和处理C;处理A产量(11 274 kg?hm-2)最高,处理B产量为11 018 kg?hm-2,分别较处理C增产8.70%、5.86%,且处理A、处理B与处理C产量的差异达到极显著水平。
- Abstract:
- To discuss the effect of deep loosening in Semi-arid regions,the maize cultivar Xianyu 335 as experimental materials to study the effect of fall deep loosening,spring deep loosening,conventional tillage (rotary tillage)on water storage capacity of soil and the yield of maize in semi-arid regions .The results showed that 1.bulk density of 15~25 cm soil layer can be decreased by treatment A and treatment B,soil bulk density difference of treatment B and treatment C reached significant level; 2.Deep loosening increased soil moisture,treatment A soil moisture content of the three layers were higher than in treatment B and C;3.The yield of treatment A was 11 274 kg?hm-2,the yield of treatment B was 11 018 kg?hm-2,Respectively the yield increased by 8.70%,5.86% compared with treatment C.The yield of treatment A and treatment B and treatment C production difference reached significant level.
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备注/Memo
收稿日期:2016-02-22