含钙镁辣椒配方肥对辣椒生产及品质的影响
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(西南大学资源环境学院,重庆市土肥资源高效利用重点实验室,重庆 400715)

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梁怡(1995-),男,湖北黄冈人,在读硕士研究生,研究方向为土壤-植物镁素营养调控。E-mail:714845825@qq.com。

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基金项目:国家重点研发计划项目(2018YFD0800600);中央高校基本业务费专项(XDJK2019C063);中国博士后科学基金(2018M643393)。


Effect of formula fertilizer containing calcium and magnesium on production and quality of pepper
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(College of Resources and Environment,Southwest University,Chongqing Key Laboratory of Efficient Utilization of Soil and Fertilizer Resources,Chongqing 400715)

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    摘要:

    当前西南黄壤地区辣椒生产中,大量元素肥料配比不合理,钙、镁肥料投入不足是限制辣椒提质增效的重要因素。基于辣椒的养分需求规律设计了辣椒配方肥,并在此基础上添加钙镁形成含钙镁辣椒配方肥。同时在重庆石柱和贵州锦屏分别进行田间试验,研究含钙镁辣椒配方肥对辣椒产量、植株干物质累积量、钾钙镁养分平衡、氮磷肥偏生产力、品质及经济效益的影响。结果表明:与普通复合肥处理相比,配方肥的施用能显著提高磷肥偏生产力,两试验点平均提高63.7%;含钙镁普通复合肥和含钙镁配方肥的处理辣椒干物质累积量和产量显著增加了41.8%和44.3%,并提高了农户经济效益;同时促进了辣椒植株钾、钙、镁养分向可食用部分的转移,分别提高果实维生素C含量35.7%和29.7%。施用含钙镁普通复合肥和含钙镁辣椒配方肥分别较普通复合肥提高了氮肥偏生产力30.5%和37.3%,提高磷肥偏生产力30.5%和117.9%,同时增加土壤钙镁盈余。综上,在西南黄壤辣椒种植区,施用含钙镁辣椒配方肥能显著提高辣椒的产量和品质,增加农户收益,同时有效提高氮和磷肥偏生产力。

    Abstract:

    At present,in the production of pepper in the yellow soil area of southwest,the ratio of macro-element fertilizers and the insufficient input of calcium and magnesium fertilizers is an important factor that limits the quality and efficiency of pepper.Based on the nutrient requirement of pepper,a formula fertilizer of pepper was designed,and Ca and Mg were added to the formula fertilizer.Addition,two field experiments were conducted at Shizhu county,Chongqing city and Jinping county,Guizhou province with the same fertilization treatments,respectively.And the effects of formula fertilizer containing Ca and Mg on the yield,plant dry matter accumulation,K,Ca,Mg nutrients balance,partial productivity of N and P fertilizer,quality and economic benefit were studied.The results showed that:compared with the treatment of common compound fertilizer,the application of formula fertilizer can significantly improved the partial productivity of P fertilizer, with an average increase of 63.7% in the two test sites;two treatments of additional of Ca and Mg(common compound fertilizer containing Ca and Mg,formula fertilizer containing Ca and Mg)significantly increased the dry matter accumulation and yield of pepper with an average increase of 41.8% and 44.3%,respectively,and improved the economic benefits of farmers.Besides,these treatments promoted the transfer of K,Ca and Mg nutrients from stem and leaf to fruit of pepper plant,and increased the content of Vc in fruits by 35.7% and 29.7%,respectively.The application of common compound fertilizer containing Ca and Mg and formula fertilizer containing Ca and Mg increased partial productivity of N fertilizer by 30.5% and 37.3%,respectively;and increased portial productivity of P fertilizer by 30.5% and 117.9%,respectively;while increasing the soil Ca and Mg surplus.In conclusion,in the southwest yellow soil pepper planting area,the application of formula fertilizer containing Ca and Mg can significantly improve the yield and quality of pepper,increase the income of farmers,improve the partial productivity of N and P fertilizer.

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梁怡,卢明,姚智,陈新平,刘敦一.含钙镁辣椒配方肥对辣椒生产及品质的影响[J].中国土壤与肥料,2021,(1):109-116.

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  • 收稿日期:2019-12-08
  • 最后修改日期:
  • 录用日期:2020-01-04
  • 在线发布日期: 2021-03-18