Effects of Reuse Technique of Plastic Film Mulch on Soil Moisture, Soil Salt and Oil Sunflower Seedling Growth

AI Hai-jian; LI Zhi-xi; BIAN Li-jun

doi:10.13961/j.cnki.stbctb.2014.03.004

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Effects of Reuse Technique of Plastic Film Mulch on Soil Moisture, Soil Salt and Oil Sunflower Seedling Growth

- Effects of Reuse Technique of Plastic Film Mulch on Soil Moisture, Soil Salt and Oil Sunflower Seedling Growth
- Bulletin of Soiland Water Conservation Vol. 33, Issue 3, Pages: 14-18(2014)
- 作者机构：
  
  1. 榆林学院生命科学学院,陕西,榆林,719000
  2. 乌兰布和灌域管理局沙区灌溉试验站, 内蒙古磴口,015200
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2014.03.004
  CLC：
- Published：2014
- 稿件说明：
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AI Hai-jian, LI Zhi-xi, BIAN Li-jun. Effects of Reuse Technique of Plastic Film Mulch on Soil Moisture, Soil Salt and Oil Sunflower Seedling Growth[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 14-18.
DOI：

AI Hai-jian, LI Zhi-xi, BIAN Li-jun. Effects of Reuse Technique of Plastic Film Mulch on Soil Moisture, Soil Salt and Oil Sunflower Seedling Growth[J]. Bulletin of Soiland Water Conservation, 2014, 33(3): 14-18. DOI： 10.13961/j.cnki.stbctb.2014.03.004.

摘要

为了推广地膜再利用栽培技术

在河套灌区以露地种植油葵为对照

在旧地膜覆盖的田地

在土壤顶凌期、返浆期和油葵种植前、油葵幼苗期分别测定了旧地膜覆盖带、旧地膜附近、旧地膜间0-100 cm土层的土壤水分、土壤盐分

测定了旧地膜覆盖带、旧地膜间种植的油葵出苗及幼苗生长状况。结果表明

地膜再利用提高了旧地膜覆盖田地耕层的土壤水分

降低旧地膜覆盖带耕层土壤盐分

提高旧地膜附近及旧地膜间耕层土壤盐分;地膜再利用对深层土壤水分、土壤盐分无显著影响。地膜再利用缩短了旧地膜覆盖带种植的油葵出苗天数

提高了油葵的出苗率及存活率

促进了油葵幼苗生长;但地膜再利用延长了旧地膜间种植的油葵出苗天数

降低了出苗率及存活率

抑制了幼苗生长。地膜再利用种植油葵时应将油葵种植在旧地膜带覆盖带上

不应种植在旧地膜之间。

Abstract

This study was conducted in an old plastic film mulching field to promote the reusing techniques of plastic film mulch in the Hetao Irrigation District

with oil sunflower cultivation in open field as the control. In soil ice crust and soil moisture recovering periods and before oil sunflower sowing and seedling periods

soil moisture and soil salt in 0-100 cm soil layer were measured within old plastic film belts

near old plastic films and between old plastic films

respectively. Moreover

emergence and seedling growth of oil sunflower were measured within old plastic film belts and between old plastic films

respectively. Results showed that reuse of the plastic film mulch increased topsoil moisture in old plastic film mulching field

decreased topsoil salt within old plastic film belts

but increased topsoil salt near and between old plastic films. Reuse of the plastic film mulch had no significant effect on deep soil moisture and soil salt. Reuse of the plastic film mulch shortened oil sunflower emergence time

increased oil sunflower emergence rate and survival rate

promoted oil sunflower seedling growth within old plastic film belts

but extended oil sunflower emergence time

decreased oil sunflower emergence rate and survival rate

inhibited oil sunflower seedling growth between old plastic films. In cultivation of oil sunflower with the reusing technique of plastic film mulch

oil sunflower should be sowed in the soil within old plastic film belts

but should not be sowed in the soil between old plastic films.

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references

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