| 秸秆还田及蚯蚓活动对小麦-玉米轮作下土壤水分运移的影响 |
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| 引用本文： | 霍蓉蓉,马莉,熊丽军.秸秆还田及蚯蚓活动对小麦-玉米轮作下土壤水分运移的影响[J].干旱地区农业研究,2024(2):150-157. |
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| 作者姓名： | 霍蓉蓉 马莉 熊丽军 |
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| 作者单位： | 宝鸡文理学院，陕西省灾害监测与机理模拟重点实验室，陕西 宝鸡 721013 |
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| 基金项目： | 国家自然科学基金（42007006）；宝鸡文理学院研究生创新科研项目（YJSCX22YB64） |
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| 摘 要： | 为探讨关中平原小麦-玉米水分高效利用的栽培技术方式，采用田间定点观测方法，研究秸秆还田+接种蚯蚓处理对土壤含水量的影响。设置CK(对照)、S1(秸秆还田3 000 kg·hm-2)、S2(秸秆还田6 000 kg·hm-2)、E(接种蚯蚓)、S1E(秸秆还田3 000 kg·hm-2+接种蚯蚓)、S2E(秸秆还田6 000 kg·hm-2+接种蚯蚓)共6个处理。结果表明：各处理较CK处理均提高了土壤含水量，S1、S2、E、S1E、S2E处理下土壤含水量分别增加0.21%～27.47%、0.43%～32.85%、1.00%～15.53%、3.25%～36.52%、2.97%～51.24%。CK、S1、S2、E、S1E、S2E处理下土壤含水量分...
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| 关 键 词： | 土壤水分运移 小麦-玉米轮作 秸秆还田 蚯蚓活动 |
Effects of straw returning and earthworm activity on soil water transport under wheat\|maize rotation |
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| HUO Rongrong,MA Li,XIONG Lijun.Effects of straw returning and earthworm activity on soil water transport under wheat\|maize rotation[J].Agricultural Research in the Arid Areas,2024(2):150-157. |
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| Authors: | HUO Rongrong MA Li XIONG Lijun |
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| Institution: | Baoji University of Arts and Sciences, Key Laboratory of Disaster Monitoring and Mechanism Simulation of Shaanxi Province, Baoji, Shaanxi 721013, China |
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| Abstract: | To explore the cultivation techniques of wheat and maize water efficient utilization in Guanzhong Plain, the method of spot observation in the field was used to study the effect of straw returning and earthworn inoculation on soil water content. The treatments included CK (control), S1 (straw returned to the field 3 000 kg·hm-2), S2 (straw returned to the field 6 000 kg·hm-2), E (inoculated earthworms), S1E (straw returned to the field 3 000 kg·hm-2+ inoculated earthworms), S2E (straw returned to the field 6 000 kg·hm-2+ inoculated earthworms). The results showed that: compared with CK, the soil water contents under S1, S2, E, S1E and S2E treatments increased by 0.21%~27.47%, 0.43%~32.85%, 1.00%~15.53%, 3.25%~36.52% and 2.97%~51.24%, respectively. The soil water contents under CK, S1, S2, E, S1E, and S2E treatments were 15.51%, 17.14%, 17.66%, 16.33%, 17.94% and 18.91%, respectively. S2E treatment had the best water retention effect, followed by S2 and S1 treatment, and E treatment had the least obvious effect. From wheat flowering stage and harvest stage to maize despot stage and harvest stage, soil moisture content of 0~100 cm showed an overall increasing trend under different treatments, with the maximum mean value was 20.60% at maize harvest stage and the minimum mean value was 8.63% at maize despot stage. Compared with CK, other treatments expanded the range of high water cut areas, and the range of high water cut areas in soil treated with earthworms was larger than that without earthworms. The correlation analysis of factors affecting soil water content in wheat\|maize growing period showed that soil water content was significantly positively correlated with large aggregates >0.25 mm, SOC content and TN content (P<0.05). It was significantly negatively correlated with soil aggregates, pH and capillary pores of 0.053~0.25 mm and <0.053 mm (P<0.05). In conclusion, the joint action of straw returning to field and earthworm activity increased soil water content and expands deep high water cut area. |
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| Keywords: | soil water transport wheat\|corn rotation straw returning to field earthworm activity |
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