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为了探索更加清洁高效的水稻覆膜栽培技术,采用小区试验的方法,研究可降解地膜代替常规地膜、一次性施用不同用量的控释氮肥,与“中稻+再生稻”的最佳结合技术。结果表明:覆膜后降解地膜与普通非降解地膜覆对再生稻两季产量影响差异不显著。控释肥一次性基施以150 kg N/hm2处理头季稻产量最高,225 kg N/hm2处理“中稻+再生稻”两季总产最高。因此,水稻覆膜技术与可降解地膜、控释肥以及再生稻技术结合后,是一项清洁、高产、高效的水稻栽培新技术。
In order to explore a more clean and efficient rice cultivation techniques, using the method of plot test, the best combination technology of degradable mulch film instead of conventional mulch film, one-time application of different dosage of controlled-release nitrogen fertilizer, and “middle-rice + ratooning rice” . The results showed that there was no significant difference in the yield of ratooning rice between the two types of ratooning rice after plastic film mulching and ordinary non-degradable plastic mulching. The top-yielded first-season paddy with 150 kg N / hm2 of controlled-release fertilizer was the highest, and the highest yield was obtained with 225 kg N / hm2 and middle-season + middle-season rice. Therefore, the combination of biodegradable mulching film, controlled release fertilizer and ratooning rice technology is a clean, high yield and efficient rice cultivation technology.