文章摘要
经福林,关经伦,黄 所,苏海杨,陆绍德,揭育其,苏子文.水肥一体化技术延长糖料蔗宿根年限效果研究[J].广东农业科学,2020,47(4):23-29
水肥一体化技术延长糖料蔗宿根年限效果研究
Study on the Effect of Fertigation Technology on Prolonging the Life of Sugarcane Ratoon
  
DOI:10.16768/j.issn.1004-874X.2020.04.004
中文关键词: 水肥一体化技术  糖料蔗  农艺性状  宿根年限  效果
英文关键词: fertigation technology  sugarcane  agronomic character  ratoon life  effect
基金项目:广东农垦农技推广与体系建设专项经费(16NJSN-22);湛江农垦农业技术试验示范项目(湛垦函字〔2016〕321 号)
作者单位
经福林,关经伦,黄 所,苏海杨,陆绍德,揭育其,苏子文 广东省火炬农场广东 湛江 524259 
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中文摘要:
      【目的】研究水肥一体化技术延长糖料蔗宿根年限效果,为解决糖料蔗宿根年限短、产量低的问题提供技术参考。【方法】应用水肥一体化技术,在新植糖料蔗筛选最优肥料配比应用到糖料蔗宿根田管,研究其宿根年限与效益。【结果】糖料蔗应用水肥一体化技术最优肥料配比为尿素 450 kg/hm2、钙镁磷肥 1 500 kg/hm2、硫酸钾 180 kg/hm2、复合肥 270 kg/hm2、有机肥 1 350 kg/hm2,化学肥料施用量比常规施肥减少 20%,且宿根蔗发株率、株高、有效茎数、蔗茎重和蔗茎产量显著高于常规施肥对照,宿根年限达到 4 年,增加收入 43 437 元 /hm2。【结论】糖料蔗田管应用水肥一体化技术,能延长宿根年限 2 年,减少化学肥料施用量,增加经济收入,可作为提升 宿根蔗田管质量、产量,延长宿根年限技术大面积推广应用。
英文摘要:
      【Objective】The effect of fertigation technology prolonging the life of sugarcane ratoon were studied in order to provide technical references for solving the problems of short ratoon life and low sugarcane yield.【Method】Through the application of fertigation technology, the optimal ratio of fertilizer was selected in new planted sugarcane and applied to the field management of sugarcane ratoon to study the ratoon life and related benefits.【Result】According to the field experiment, when the fertigation technology was applied to the sugarcane, the optimal ratio of fertilizer was urea of 450 kg/hm2, calcium magnesium phosphate fertilizer of 1 500 kg/hm2, potassium sulfate of 180 kg/hm2, compound fertilizer of 270 kg/hm2, organic fertilizer of 1 350 kg/hm2, and the application amount of chemical fertilizer was 20% less than that of conventional fertilization; the emergence rate, plant height, effective stalk number, cane weight and cane yield of ratoon sugarcane were significantly higher than those of the conventional fertilization. The ratoon life was up to four years, with additional income of 43 437 yuan/hm2.【Conclusion】The application of fertigation technology in field management of sugarcane can prolong the ratoon life by two years, reduce the application amount of chemical fertilizer and increase the economic income, and should be widely promoted and applied to improve the quality of field management and yield of ratoon sugarcane, and to prolong the life of ratoon sugarcane.
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