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以东北地区覆膜玉米为试验对象，设置了氧化生物双降解地膜（M1）、普通地膜（M2）及裸地（CK）3 种处理的田间试验，研究了氧化生物双降解地膜覆盖对玉米田间土壤温度、水分及产量的影响。结果表明，在苗期和拔节期，氧化生物双降解地膜覆盖距地表 5 cm、10 cm、15 cm、20 cm 和 25 cm 深度处的土壤温度均明显高于普通地膜和裸地，在抽雄―成熟期，各处理间土壤温度没有明显差异。玉米全生育期内，M1 处理土壤贮水量明显高于 M2 处理，2 个处理在整个生育期内变化趋势一致，田间 0～60 cm 土层土壤贮水量表现为 M1 处理>M2 处理>CK。此外，M1 处理下玉米出苗率为 99.5%，比 M2处理和 CK 分别高 8.5%和 16.2%；其覆盖处理下玉米产量最高，比 M2 处理和 CK 分别高出 6.8%和 35.2%。研究成果可为今后氧化生物双降解地膜替代普通地膜及其推广使用提供科学依据。
Field experiments of three treatments of biodegradable mulching (M1), common mulching (M2) and bare soil (CK) were set up in the mulched maize in northeastern China. The effects of biodegradable mulching with biodegradation of biodegradation on maize field Soil temperature, moisture and yield. The results showed that the soil temperature at the depths of 5 cm, 10 cm, 15 cm, 20 cm and 25 cm from the surface of the biodegradation film was significantly higher than that of the common film and the bare soil at seedling and jointing stages, At maturity, there was no significant difference in soil temperature between treatments. During the whole growth period of corn, the water storage capacity of M1 was significantly higher than that of M2, and the trend of the two treatments was the same during the whole growing period. The soil water storage capacity of 0-60 cm soil layer in field was M1> M2> CK . In addition, the emergence rate of maize under M1 treatment was 99.5%, which was 8.5% and 16.2% higher than that of M2 treatment and CK respectively. The yield of maize under M1 treatment was the highest, which was 6.8% and 35.2% higher than M2 treatment and CK respectively. The research results can provide a scientific basis for the future biodegradable plastic film instead of common plastic film and its promotion and use.