| Study of water-permeable plastic film mulching on soil moisture and temperature and growth and development regulation of broomcornmillet |
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| DOI：10.7606/j.issn.1000-7601.2016.02.12 |
| Key Words: water-permeable plastic film dry land broomcornmillet soil moisture soil temperature yield |
| Author Name | Affiliation | | REN Rui-yu | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China | | HE Ji-hong | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China | | DONG Kong–jun | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China | | LIU Tian-peng | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China | | ZHANG Lei | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China | | YANG Tian-yu | Crop Research Institute, Gansu Province Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China |
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| Abstract: |
| In Huining county, Gansu province, Longmi 5 was used as the indicator cultivar to study the effects of water-permeable plastic film mulching, common plastic film mulching and no mulching on soil moisture and temperature, growth and development of broomcornmillet. The result showed that water-permeable plastic film with moisture permeable function was more effective on the water retention than common plastic film. However, micropore evaporation of the water-permeable plastic film caused moisture content slightly lower than that of the common plastic film at 0～20 cm soil layer. Compared with open ground, water-permeable plastic film and common plastic film had obvious effects on heat insulation and temperature increasing, which significantly increased broomcorn millet yield by 46.79% and 67.13%, respectively. However, there was no significant difference in yield between plastic film mulching modes. |
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