Selection of Thickness of High Density Polyethylene Film for Mulching in Paddy Rice

Xiangchen Liu, Li Qiao, Zhaocheng Lu, Daqing Feng, Ping Li, Xuejun Fan, Kun Xu

Agricultural Bureau of Gushi County, Xinyang, China.
Xinyang City Academy of Agricultural Sciences, Xinyang, China.

DOI: 10.4236/ajps.2013.47166                

Abstract

In water deficit area, judicious use of water is essential for increasing area under crop production with limited water supply. Film Mulching has been advocated as an effective means for conserving soil moisture in rice production. The effects of high density polyethylene (HDPE) film on increasing rice production, controlling weeds and residue amount of plastic were studied under five treatments, including 5, 10, 15 and 20 μm thickness as well as bare cultivation (CK). The results indicated that the HDPE film mulching mode had significant effects on weed control, soil temperature, soil moisture, photosynthetic rate, seedling biomass, yield and residues of plastic film. Combined with economic effect, it showed that the HDPE film of 10 μm is the best option for rice production.

Keywords

Paddy Rice; Weed; Soil; High-Density Polyethylene Film; Thickness

Conflicts of Interest

The authors declare no conflicts of interest.

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