
Effects of Different Films on Peanut Nutrient Uptake and Soil Nutrients’ Change
Gao Xuhua, Huang Yaozhu, Xie Dong
Effects of Different Films on Peanut Nutrient Uptake and Soil Nutrients’ Change
In view of the environmental pollution caused by the common mulch film used in peanut planting, we compared the effects of biodegradable films (BD), common plastic films (PE) and non-cover films (CK) on the nutrient absorption of peanuts, soil nutrient and yield of peanuts at different growth stages through a field test. The results showed that: the yield of PE and BD in the harvesting period was 7908.09 and 6868.92 kg/hm 2, respectively, significantly increased by 25.85% and 21.78% compared with that of CK; the content of alkali nitrogen and available phosphorus in soil treated by PE and BD showed a trend of "first decrease and then increase", while the available potassium content showed a decline trend, which was the maximum at the seedling stage, and then gradually decreased; under different films, the nutrient uptake of the aerial parts of peanut plants increased gradually; the cumulative absorption of nitrogen, phosphorus and potassium at peanut growth stages showed PE>BD>CK. The experiment was carried out from the aspects of soil nutrient and nutrient absorption and utilization of peanut, and could provide a basis for the application of biodegradable film in peanut production.
peanut / mulch film / biodegradable film / nutrient uptake / yield {{custom_keyword}} /
表1 生物降解膜对花生产量性状的影响 |
处理 | 百果重/g | 百仁重/g | 单株结果数 | 饱果数 | 秕果数 | 产量/(kg/hm2) |
---|---|---|---|---|---|---|
PE | 196.83a | 67.42a | 58.0a | 45.0a | 13.0a | 7098.09a |
BD | 186.33a | 61.04ab | 44.3a | 32.0ab | 12.3a | 6868.92a |
CK | 158.60b | 57.86b | 35.0b | 25.3b | 9.7a | 5640.28b |
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