覆膜方式对一膜两年覆盖旱地玉米籽粒产量、水分利用效率和土壤水分平衡的影响

doi:10.13287/j.1001-9332.201806.027

应用生态学报 ›› 2018, Vol. 29 ›› Issue (6): 1935-1942.doi: 10.13287/j.1001-9332.201806.027

覆膜方式对一膜两年覆盖旱地玉米籽粒产量、水分利用效率和土壤水分平衡的影响

谢军红^1,2,张仁陟^1,3,李玲玲^1,2*,柴强^1,2,罗珠珠^1,3,蔡立群^1,3,齐鹏^1,3

¹甘肃省干旱生境作物学重点实验室, 兰州 730070;
²甘肃农业大学农学院, 兰州 730070;
³甘肃农业大学资源与环境学院, 兰州 730070

收稿日期:2017-09-22 修回日期:2018-03-04 出版日期:2018-06-18 发布日期:2018-06-18
通讯作者: E-mail: Lill@gsau.edu.cn
作者简介:谢军红,男,1981年生,博士,副研究员.主要从事旱地农业研究. E-mail: xiejh@gsau.edu.cn
基金资助:
本文由国家科技支撑计划项目(2015BAD22B04-3)、国家自然科学基金项目(31761143004)、甘肃省教育厅项目(2017C-12)和国家重点基础研究发展计划项目(2012CB722902)资助

Effects of plastic film mulching patterns on maize grain yield, water use efficiency, and soil water balance in the farming system with one film used two years.

XIE Jun-hong^1,2, ZHANG Ren-zhi^1,3, LI Ling-ling^1,2*, CHAI Qiang^1,2, LUO Zhu-zhu^1,3, CAI Li-qun^1,3, QI Peng^1,3

¹Gansu Provincial Key Laboratory of Arid Land Crop Science, Lanzhou 730070, China;
²College of Agronomy, Gansu Agricultural University, Lanzhou 730070, China;
³College of Resources and Environmental Sciences, Gansu Agricultural University, Lanzhou 730070, China

Received:2017-09-22 Revised:2018-03-04 Online:2018-06-18 Published:2018-06-18
Supported by:
This work was supported by the National Science and Technology Support Planning (2015BAD22B04-3), the National Natural Science Foundation of China (31761143004), Department of Education of Gansu Province (2017C-12) and the National Basic Research and Development Program of China (973 Program, 2012CB722902).

摘要/Abstract

摘要： 以挖掘黄土高原半干旱区全膜双垄沟播玉米节本增效技术,探讨一膜两年覆盖系统土壤水分平衡为目标,通过大田定位试验,量化研究了一膜两年覆盖条件下,全膜沟垄作(F₁M)、全膜平作(F₂M)、半膜平作(F₃M)和不覆膜平作(F₄M,对照)玉米的产量、经济收益、水分利用效率和土壤水分平衡.结果表明: 2年全膜沟垄作、平作的生物产量较对照平均增加32.8%和32.9%,籽粒产量增加60.8%和51.7%,水分利用效率和降水利用效率平均增加59.8%、35.9%和87.6%、64.4%.新覆膜全膜沟垄作、平作属于高产高投模式,其总产值较对照增加51.0%、41.2%,产投比较对照降低15.1%和16.2%;一膜两年覆盖全膜沟垄作、平作属于节本增效型生产模式,其总产值较对照增加40.8%和42.2%,产投比增加40.3%和42.2%.在606.5 mm的低降水条件下,一膜两年覆盖全膜沟垄作、平作的总耗水量分别达731.3和746.8 mm,土壤水分亏缺分别达124.8和140.3 mm,较对照增加22.7%和38.0%.一膜两年覆盖使全膜沟垄作、平作休闲期土壤水耗水量较对照降低了28.6%和30.0%,休闲效率较对照增加178.9%、148.3%.这说明全膜沟垄作、平作具有明显的增产和提高水分利用效率的作用,该技术结合一膜两年覆盖技术能实现节本增效,但在推广应用时需考虑低降水条件下的土壤水分亏缺问题.

Abstract: The aim of this study was to develop cost-saving and efficiency-improving technologies in whole plastic mulching and double ridge-furrow maize in semi-arid region of Loess Plateau. The objective was to investigate soil water balance in farming system with one film used two years. A field experiment was conducted to investigate the effects of different mulching and tillage patterns under one film used two years conditions on the yield, economic benefits, and water use efficiency of maize. There are four treatments: Ridge-furrow planting with complete plastic film mulching, F₁M; flat-planting with complete plastic film mulching, F₂M; flat-planting with half plastic film mulching, F₃M; and flat-planting without mulching, F₄M, the control. The results showed that the F₁M and F₂M treatments had significant effects on the improvement of the production and efficiency compared with the control. The F₁M and F₂M treatments improved biomass by 32.8% and 32.9%, enhanced grain yield by 60.0% and 51.7%. Water use efficiency and rainfall use efficiency in F₁M and F₂M treatments were increased by 59.8%, 35.9% and 87.6%, 64.4%, respectively. Furthermore, gross output value and input-output ratio of F₁M and F₂M treatments under every new plastic film mulched pattern were enhanced by 51.0%, 41.2% and 15.1%, 16.2%, respectively. The production pattern on cost-saving and efficiency-increasing of the system on double ridge-furrow and flat planting with one film used two years, this pattern increased gross output value by 40.8%, 42.2%, and increased input-output ratio by 40.3%, 42.2%, respectively. Under the condition of low precipitation (606.5 mm), total water consumption of ridge-furrow and flat planting under the system of one film used within two years was 731.3 mm and 746.8 mm, the soil moisture deficit was 124.8 mm and 140.3 mm, with enhancement of 22.7% and 38.0%, respectively. The total water consumption of ridge-furrow and flat planting treatments was reduced by 28.6% and 30.0%, and the fallow efficiency was improved by 178.9% and 148.3%. In conclusion, whole plastic mulching with double ridge-furrow and flat planting farming system had positive effects on yield and water use efficiency in semi-arid region of Loess Plateau. Combined with the technology of one film used within two years, this cropping system could be cost saving and efficiency increasing. However, the water deficit under low water condition should be seriously considered in practice.

谢军红,张仁陟,李玲玲,柴强,罗珠珠,蔡立群,齐鹏. 覆膜方式对一膜两年覆盖旱地玉米籽粒产量、水分利用效率和土壤水分平衡的影响[J]. 应用生态学报, 2018, 29(6): 1935-1942.

XIE Jun-hong, ZHANG Ren-zhi, LI Ling-ling, CHAI Qiang, LUO Zhu-zhu, CAI Li-qun, QI Peng. Effects of plastic film mulching patterns on maize grain yield, water use efficiency, and soil water balance in the farming system with one film used two years.[J]. Chinese Journal of Applied Ecology, 2018, 29(6): 1935-1942.

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覆膜方式对一膜两年覆盖旱地玉米籽粒产量、水分利用效率和土壤水分平衡的影响

Effects of plastic film mulching patterns on maize grain yield, water use efficiency, and soil water balance in the farming system with one film used two years.

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