WANG Yu-xian.Screening of Degradable Mulching Film on Maize in Cold Region and Semi Arid Area[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(09):10-13.
寒地半干旱地区覆膜玉米降解地膜筛选试验
- Title:
- Screening of Degradable Mulching Film on Maize in Cold Region and Semi Arid Area
- 文章编号:
- 1002-2767（2014）09-0010-04
- Keywords:
- degradable mulching film; cold region; semi arid area; maize
- 分类号:
- S513.048;TQ320.73
- 文献标志码:
- A
- 摘要:
- 为选择适宜降解地膜应用于寒地半干旱地区玉米生产，减少环境污染，采用大区对比方法，研究了不同降解地膜的降解时间对覆膜玉米产量的影响。结果表明：在覆膜后50～70 d开始出现诱导期的降解膜不会减少覆膜玉米的产量，能够达到与常规地膜同样的保墒增温效果，而且降解后不会影响水份对玉米根系的直接补给，能够促进玉米产量的提高，减少残留地膜对耕地产生的环境污染。所以在寒地半干旱地区进行降解地膜栽培，降解速度较快，覆膜后50～70 d开始出现诱导期裂纹的2、5号可降解地膜处理较为适宜。
- Abstract:
- For the selection of suitable degradable film applied to corn production in semi arid area and to reduce the environment pollution,the effects of different degradable mulch films with degradation time on the yield of maize were studied.The results showed that the film covering for 50~70 d began to appear degradable，would not reduce maize yield and could be achieve the same soil warming effect with conventional film.And the degradation did not influence the moisture of maize root direct supply,but promoted the corn yield,reduced the residual film on farmland environmental pollution.So degradable mulching film cultivation in cold semi arid area had fast degradation speed,No.2 and No.5 which began to appear cracks in induction period after filming for 50~70 d were suitable.
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备注/Memo
收稿日期：2014-03-29
基金项目：国家现代玉米产业技术体系资助项目（CARS-02-43）；东北平原北部（黑龙江）春玉米水稻持续丰产高效技术集成创新与示范资助项目（2011DAD16B11）；东北半干旱地区主要农作物微灌节水关键技术研究与示范资助项目(201303125-21);黑龙江省农业科学院青年基金资助项目（2012QN018）
作者简介：王宇先(1982-),男,黑龙江省鸡西市人,硕士,助理研究员,从事旱作农业技术研究。E-mail：wyx13836209470@163.com。