优化施肥对上海产区温州蜜柑生长的影响
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作者单位:

(1.中国农业大学资源与环境学院,北京.100083;2.上海市崇明区生态农业科创中心,上海.202150;3.上海市崇明区农产品质量安全中心,上海.202150)

作者简介:

丰智松(1996-),在读硕士研究生,主要从事植物营养与高效施肥研究。E-mail:18730279136@163.com。

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基金项目:

基金项目:上海科技兴农项目[沪农科推字(2020)第2-2号].。


Effects of optimized fertilization on growth of satsuma orange in Shanghai
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Affiliation:

(1.College of Resources and Environment,China Agricultural University,Beijing 100193;2.Shanghai Chongming District Ecological Agriculture Innovation Center,Shanghai 202150;3.Shanghai Chongming District Agricultural Product Quality and Safety Center,Shanghai 202150)

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    摘要:

    研究不同优化施肥模式对温州蜜柑产量、品质及树体生长的影响,为实现温州蜜柑高产优质提供技术指导。以温州蜜柑田间试验为基础,设置4个处理:FM处理(农户习惯施肥)、OF处理(FM+有机肥)、OPT处理(氮、磷、钾优化+有机肥)、COF处理(OPT+钙、镁)。3种优化施肥模式均可促进温州蜜柑的生长,施用有机肥短期效果不明显,优化氮、磷、钾并施用有机肥可以显著地促进树体后期的生长。优化氮、磷、钾并施用有机肥的基础上再补充钙、镁元素效果最佳,相较于农户习惯施肥,显著提高了春梢各生长指标;叶片SPAD值和矿质养分含量均显著提高;果实横径、果实纵径、单果重、挂果数和产量分别显著提高了9.69%、8.66%、6.68%、4.74%、11.76%;果实还原糖、维生素C、可溶性固形物、固酸比和可食率分别显著提高了55.67%、21.45%、8.21%、27.12%、2.48%。综合优化养分管理可以平衡树体养分,激发树体产量潜力并提高品质。

    Abstract:

    The effects of different optimal fertilization modes on yield,quality and tree growth of satsuma orange were studied to provide technical guidance for achieving high yield and quality of.satsuma orange.A field experiment was conducted with satsuma orange as material,four treatments were set up: FM(farmer routine fertilization),OF(FM+organic.fertilizer),OPT(N,P,K optimization+organic.fertilizer),COF(OPT+Ca,Mg).All the three optimized fertilization modes promoted the growth of satsuma orange,the short-term effect of applying organic fertilizer was not obvious.The optimization of N,P,K and application of organic fertilizer significantly promoted the growth of the tree in the later stage,the optimization of N,P,K combined with application of organic fertilizer and Ca and Mg elements had the best effect,which,compared with FM,significantly improved the growth indicators of spring shoots;leaf SPAD value and mineral nutrient content were significantly increased;the transverse diameter,longitudinal diameter,single fruit weight,number of fruit,and yield of fruit were significantly increased by 9.69%,8.66%,6.68%,4.74%,11.76%,respectively;fruit reducing sugar,vitamin C,soluble solids,solid acid ratio and edible rate were significantly increased by 55.67%,21.45%,8.21%,27.12%,2.48%,respectively.Comprehensive optimization of nutrient management can balance tree nutrients,stimulate tree yield potential and improve tree quality.

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丰智松,段志平,李增源,张卫峰,陈磊,安琪琪.优化施肥对上海产区温州蜜柑生长的影响[J].中国土壤与肥料,2023,(2):171-177.

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  • 收稿日期:2022-01-17
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  • 录用日期:2022-02-28
  • 在线发布日期: 2023-05-16
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