Effects of N,P,K Managements Mode on Yield and Nitrate Content of Garland  Chrysanthemum (Chrysanthemum coronarium L.) in Greenhouse(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of N,P,K Managements Mode on Yield and Nitrate Content of Garland  Chrysanthemum (Chrysanthemum coronarium L.) in Greenhouse

Author(s):: HAN Yingzuo; LOU Chunrong; WANG Xiujuan; ZHAO Ying; DONG Huan; (Institute of Environmental Resources and Plant Nutrition,Liaoning Academy of Agricultural Sciences,Shenyang,Liaoning 110161)

Keywords:: greenhouse; garland chrysanthemum; fertilizer managements mode; yield; nitrate

Abstract:: Taking garland chrysanthemum as test material,the effects of different nitrogen,phosphorus and potassium fertilizer ratio on yield and nitrate content of garland chrysanthemum (Chrysanthemum coronarium L.) in greenhouse in winter was studied via the pot experiment.The results showed that nitrogen fertilizer application had the best yield-increasing effect on garland chrysanthemum (yield-increasing rate 167%),followed by phosphor fertilizer (91.7%) and potassium fertilizer (88.5%)．Nitrogen fertilizer application had the strongest nitrate-reducing effect on garland chrysanthemum (nitrate-reducing rate 23.4%),followed by phosphor fertilizer (7.1%) and potassium fertilizer (0.4%).The regressive model of fertilizer effect was simulated by the method of quadratic polynomial regressions to test yield and nitrate content respectively.The regression model was gotten as the ternary quadratic polynomials of nitrogen,phosphorus and potassium.According to the constructed models and complex of yield,economic and ecological benefits,fertilizer application for garland chrysanthemum was put forward

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Last Update: 2017-06-27