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Effects of Water and Fertilizer Coupling on the Yield and Quality of RADIX ANGELICAE SINENSIS

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【Author】 QIAN Cui1, RAO Bi-yu2,3*, LUO Shao-qin1, WU Zhan-jing1 1. College of Water Resources and Hydraulic Power Architecture, Yunnan Agricultural University, Kunming, Yunnan 650201, China; 2. Key Laboratory of Water Resources and Water-saving Irrigation, Yunnan Agricultural University, Kunming, Yunnan 650201, China; 3. College of Architecture and Engineering, Yunnan Agricultural University, Kunming, Yunnan 650201, China

【摘要】 Effects of water and fertilizer coupling on the quality and yield of RADIX ANGELICAE SINENSIS were studied, which provided theoretical basis for the water and fertilizer regulation of GAP normalized cultivation of RADIX ANGELICAE SINENSIS. Water content data and yield and quality data of RADIX ANGELICAE SINENSIS were collected by field experiment under different irrigation and fertilization conditions. According to the principle of quadratic general rotary unitized design, binary quadratic polynomial was adopted to research on the relationship among the irrigation amount, fertilization amount, ferulic acid content, and RADIX ANGELICAE SINENSIS yield. Relationship model of water and fertilizer coupling was established to carry out test analysis and correlation analysis. Results showed that under a given irrigation amount, RADIX ANGELICAE SINENSIS yield enhanced and then decreased as the fertilization amount increased; under a given fertilization amount, RADIX ANGELICAE SINENSIS yield also enhanced and then decreased as the irrigation amount increased; the maximum yield of RADIX ANGELICAE SINENSIS appeared in the plots with middle water and middle fertilizer. Under a given irrigation amount, ferulic acid content in RADIX ANGELICAE SINENSIS firstly enhanced and then fell as the fertilization amount increased; at a given fertilization amount, ferulic acid content also firstly enhanced and then fell as the irrigation amount increased; The maximum content of ferulic acid content in RADIX ANGELICAE SINENSIS appeared in the plots with middle-high water and middle-high fertilizer. Therefore, rational and effective irritation and fertilization could produce high-yield and high-quality RADIX ANGELICAE SINENSIS.

【基金】 Supported by the Applied Basic Research Foundation Program of Yunnan Province(A2002937)
  • 【分类号】S567.239
  • 【下载频次】39
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