水稻绿色栽培减施增效施肥技术及其应用研究 - 202203 - 肥料与健康
水稻绿色栽培减施增效施肥技术及其应用研究
Study on Reducing Synergistic Fertilization Technology and Application in Green Cultivation of Rice
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摘要:

为考察开发的水稻绿色栽培减施增效施肥技术,开展了大田示范试验,试验设计了减施增效施肥与常规测土施肥2个处理。结果表明:采用水稻绿色栽培减施增效施肥技术,水稻根幅扩大35.90%,根鲜质量增加36.36%,最长新根长度增加42.37%;水稻提前2 d返青;叶绿素相对含量增加31.33%;株高、茎粗、叶面积、叶厚、单株分蘖数分别增加29.25%、6.67%、16.42%、30.14%、26.43%;能够提高水稻对纵卷叶螟、稻纹枯病、稻曲病的抵抗能力,可减少生物胁迫等带来的损失;在大量元素肥料施用量(折纯)减少24.4%的条件下,水稻理论产量提高20.05%。水稻绿色栽培减施增效施肥技术可以推动水稻生产的绿色发展。

关键词:
Abstract:

In order to investigate the developed technology of reducing and synergistic fertilization technology for green cultivation of rice, a field demonstration experiment is carried out. Two treatments of reducing and synergistic fertilization and conventional soil testing fertilization are designed. The results show that using the technology of reducing application of synergistic fertilization in green cultivation of rice, the root width of rice expanded by 35.90%, the fresh weight of roots increased by 36.36%, and the length of the longest new root increased by 42.37%. Rice returned to green 2 days in advance. The relative chlorophyll content increased by 31.33%. Plant height, stem diameter, leaf area, leaf thickness and tiller number per plant increased by 29.25%, 6.67%, 16.42%, 30.14% and 26.43% respectively. The technology can improve the resistance of rice to leaf roller, rice sheath blight and rice false smut, and reduce the losses caused by biological stress. The theoretical yield of rice increased by 20.05% under the condition of reducing the application amount of large element fertilizer (converted into pure fertilizer) by 24.4%. The technology of reducing synergistic fertilization application in green cultivation of rice can promote the green development of rice production.

Keyword:
ckwx 参考文献

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