生物降解地膜自然降解过程及其对玉米生长发育和产量的影响

刘群; 穆兴民; 袁子成; 高航; 张睿

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生物降解地膜自然降解过程及其对玉米生长发育和产量的影响

试验研究

- 生物降解地膜自然降解过程及其对玉米生长发育和产量的影响
- Degradation of Biodegradable Mulch Film and Its Effect on Growth and Yield of Maize
- 水土保持通报 2011年30卷第6期页码：126-129
- 作者机构：
  
  1. 西北农林科技大学资源环境学院，陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所，陕西杨凌,712100
  3. 西北农林科技大学农学院，陕西杨凌,712100
- 作者简介：
- 基金信息：
  
  浙江海正化工股份有限公司资助项目“一种新型可降解地膜应用效果研究试验”
- DOI：
  中图分类号：
- 纸质出版：2011
- 稿件说明：
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刘群, 穆兴民, 袁子成, 等. 生物降解地膜自然降解过程及其对玉米生长发育和产量的影响[J]. 水土保持通报, 2011,30(6):126-129.

LIU Qun, MU Xing-min, YUAN Zi-cheng, et al. Degradation of Biodegradable Mulch Film and Its Effect on Growth and Yield of Maize[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 126-129.
刘群, 穆兴民, 袁子成, 等. 生物降解地膜自然降解过程及其对玉米生长发育和产量的影响[J]. 水土保持通报, 2011,30(6):126-129. DOI：

LIU Qun, MU Xing-min, YUAN Zi-cheng, et al. Degradation of Biodegradable Mulch Film and Its Effect on Growth and Yield of Maize[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 126-129. DOI：

摘要

可降解地膜是解决常规塑料地膜引起的白色污染的有效途径。通过试验研究了生物降解膜自然降解过程及其对玉米生长的影响。研究结果表明:(1)生物降解膜降解60和100d后的降解率分别为1.26%和1.91%

而且降解率随着时间的延长而增加;(2)生物地膜在降解前与普通地膜在提高土壤温度方面有着一致的效果

其增温效应与普通膜没有明显的差异;(3)较CK处理

覆盖生物膜时玉米穗上叶、穗位叶和穗下叶叶面积分别增加了10.83%

9.38%和7.94%

可以促进玉米的生长发育进程;(4)生物膜具有极显著的增产作用

比CK处理增产18.7%

但增产效果与普通膜之间差异不显著。

Abstract

Using biodegradable films are an efficient approach to reduce the white pollution by traditional plastic film which could remain in soils for hundred years.The degradation characteristics of biodegradable mulch films and its effect on the growth of maize were analyzed and tested.The results indicated that:(1) The degradation percentage of biodegradable mulch films was 1.26% within 60 days and 1.91% within 100 days respectively

and the remained film degraded greatly afterward.(2) No obvious difference has been detected between biodegradable and the common plastic films in the effect on the increase of the soil temperature.(3) The biodegradable mulch film could increase the leave area evidently

and 10.83%

9.38% and 7.94% increase has been observed above

at and below the corncob respectively

which would improve the growth.(4) The yield with degradable film mulching was about 18.7% higher than that without film mulching

but there are no obvious difference between it and the plastic film.

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