Effects of Plastic Film Combined with Straw Mulching on Soil Hydrothermal Regime of Summer Maize

CHEN Guangjie1; 2; FENG Hao2; 3; WU Shufang1; 2

doi:10.13870/j.cnki.stbcxb.2017.03.028

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Effects of Plastic Film Combined with Straw Mulching on Soil Hydrothermal Regime of Summer Maize

更新时间：2025-03-12

- Effects of Plastic Film Combined with Straw Mulching on Soil Hydrothermal Regime of Summer Maize
- Vol. 31, Issue 3, Pages: 162-168(2017)
- 作者机构：
  
  1. 西北农林科技大学水利与建筑工程学院，陕西杨凌,712100
  2. 西北农林科技大学旱区节水农业研究院，陕西杨凌,712100
  3. 中国科学院水利部水土保持研究所，杨凌,陕西,712100
  4. 三门峡黄河明珠（集团）有限公司,河南,三门峡,472000
- 作者简介：
- 基金信息：
- DOI：10.13870/j.cnki.stbcxb.2017.03.028
  CLC： S152.7;S152.8
- Published：2017
- 稿件说明：
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CHEN Guangjie1, 2, FENG Hao2, et al. Effects of Plastic Film Combined with Straw Mulching on Soil Hydrothermal Regime of Summer Maize[J]. 2017, 31(3): 162-168.
DOI：

CHEN Guangjie1, 2, FENG Hao2, et al. Effects of Plastic Film Combined with Straw Mulching on Soil Hydrothermal Regime of Summer Maize[J]. 2017, 31(3): 162-168. DOI： 10.13870/j.cnki.stbcxb.2017.03.028.

摘要

针对黄土高原半干旱区降水短缺且时空分配不均，严重地制约了半干旱区农业发展的现状，通过研究垄膜沟秸秆种植方式下夏玉米水热效应，揭示其保水调温和作物增产的机理。试验于2014—2015年在陕西杨凌设置了露地处理（CK）与垄膜沟秸秆处理（RMFS）田间试验。结果表明：垄膜沟覆秸秆种植方式可以提高表层土壤含水量；土壤温度主要表现出“高温低调，低温高调”的现象；缩短作物生育历时及调节作物耗水量以改善供需平衡；显著地提高土壤水分利用效率和积温利用效率，2 a土壤水分利用效率和积温利用效率分别提高了39.85%，43.34%。垄上覆膜沟内覆秸秆处理通过改善土壤水热交互状态，提升作物产量，是一种适宜有效的覆盖集雨措施。

Abstract

In view of the fact that shortage and uneven temporal and spatial distribution of rainfall in the semi-arid area of the Loess Plateau

this paper aimed to study the hydrothermal regime effect of the ridge-furrow planting mode

and reveal the mechanism of hydrothermal regulation and the enhancement of crop yield. Field experiments of open field treatment (CK) and plastic film combined with straw mulching treatment (RMFS) were conducted in 2014 and 2015 in Yangling

Shaanxi. The results showed that the plastic film combined with straw mulching cultivation had effects on the growth of summer maize

and the mulching could improve soil moisture condition. Soil temperature showed a phenomenon of ‘lowering the temperature when the temperature was high

and vice versa’. The RMFS treatment shortened the duration of crop growth and adjusted crop water consumption to improve the balance between water supply and demand. Soil water use efficiency and thermal time use efficiency was increased by 39.85% and 43.34% in the RMFS treatment in the second year

respectively. Although water consumption could not be saved and soil thermal time was not increased

soil water use efficiency and thermal time use efficiency were significantly improved. In short

ridge covered plastic mulching with furrow covered with straw mulching treatment improved crop yield by improving the hydrothermal interaction regime. Plastic film combined with straw mulching treatment is a suitable effective practice to collect rainwater harvesting.

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