Study on Irrigation and Fertilization System of Raspberry Under the Condition of Small Tube Flow(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Irrigation and Fertilization System of Raspberry Under the Condition of Small Tube Flow

Author(s):: FENG Xue; WANG Tie-liang; ZHOU Han-lin; LI Bo; WANG Dong; YAN Xiao-hui; College of Water Conservancy，Shengyang Agricultural University，Shenyang，Liaoning 110866

Keywords:: raspberry; water and fertilizer coupling; irrigation and fertilization system; principal component analysis

Abstract:: The influence of different water and fertilizer coupling on the growth，the yield and the fruit quality of the raspberry was studied by using quadratic regression orthogonal combination design.The irrigation and fertilization system under the condition of smalltube flow was obtained by using principal component analysis and considering the yield，the quality，the water，and the utilization ratio of the fertilizer.The results showed that the optimal fertilizer rate of raspberry was 18.00 kg/667m²，the optimal lower control limit of the soil water content was 33% and the actual irrigation quantity was 298.20 m3/667m².

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Last Update: 2014-09-01