Research progress and cultivation strategies for ratoon rice under mechanical harvesting conditions(机械收割条件下再生稻研究进展及栽培策略)
Rice ratooning is a rice cultivation technique that enables a second harvest from the sprouted axillary buds on the remaining rice stubbles after the main crop has been harvested. This approach offers significant cost savings in terms of seed, fertilizer, labor, and time, while it also ensures excep...
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| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2025-06-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Subjects: | |
| Online Access: | https://doi.org/10.3785/j.issn.1008-9209.2023.12.122 |
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| Summary: | Rice ratooning is a rice cultivation technique that enables a second harvest from the sprouted axillary buds on the remaining rice stubbles after the main crop has been harvested. This approach offers significant cost savings in terms of seed, fertilizer, labor, and time, while it also ensures exceptional rice quality and promotes environmental sustainability. These benefits are highly important for ensuring food security. Considering the unpredictable yield of ratoon rice under mechanical harvesting conditions, we briefly summarize the development history and yield potential of ratoon rice, analyze the key intrinsic factors (such as variety type and ratooning ability) and external environmental conditions (such as water and fertilizer management, stubble quality and mechanical harvesting modes, and pest and disease control) that affect the yield of ratoon rice. This review focuses on high-yield cultivation techniques of ratoon rice under mechanical harvesting conditions. We emphasize the importance of selecting varieties according to local conditions, sowing early according to light, temperature, and water conditions to ensure safe heading, strictly conducting three rounds of field drying, improving the performance of harvesters and optimizing their operation routes to reduce rolling damage, dynamically adjusting the applications of bud-promoting and seedling-promoting fertilizers according to stubble height, and achieving coordinated and increased panicle numbers and panicle sizes through rational water and fertilizer management. Finally, in response to production issues, we propose future research directions, including the breeding of high-quality ratoon rice varieties with high rolling resistance, the dissection of the water-fertilizer-microorganism-root physiological regulation network, and the optimization of the mechanical harvesting supporting cultivation technology system.
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再生稻种植是一种利用头季稻收获后的稻桩腋芽萌发成穗，实现二次收成的稻作模式，具有省种、省肥、省工、省时、米质优且对环境友好等优势，对保障粮食安全具有重要意义。针对机械收割条件下再生稻产量不稳定的现状，本文简述了再生稻发展历程及其产量潜力；分析了影响再生稻产量的关键内在因素（如品种类型及再生力）和外部环境条件（如水肥管理等农艺措施、稻桩质量及机收模式、病虫害防治等）；重点综述了机械收割条件下再生稻高产栽培技术，强调因地因情做好品种选用，根据光温水条件适时早播以保证安全齐穗，严格做好3次烤田，改良收割机具性能及优化作业路线以降低碾压损失，根据留桩高度动态调控促芽肥和促苗肥施用量，通过合理水肥运筹实现多穗与大穗协同增效。最后针对生产问题提出了抗碾压优质再生稻品种选育、水肥-微生物-根系生理协同调控网络解析及机收配套栽培技术体系优化等未来研究方向。 |
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| ISSN: | 2097-5155 |