Effect of Different Phosphorous Fertilizers Dosage on Yield and Photosynthetic Characteristics of Potted Muskmelon(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Different Phosphorous Fertilizers Dosage on Yield and Photosynthetic Characteristics of Potted Muskmelon

Author(s):: YANG Xiuyi; GENG Jibiao; QI Xingchao; WANG Xiaoqi; ZHANG Min; LI Chengliang; phosphorous fertilizers；muskmelon；yield；leaf photosynthetic capacity；soil available phosphorous

Keywords:: phosphorous fertilizers; muskmelon; yield; leaf photosynthetic capacity; soil available phosphorous

Abstract:: Taking muskmellon as test material，effects of phosphorous fertilizer application rates on physiological characteristics，yield and soil available phosphorous content of muskmelon were systematically investigated with a potted experiment，combined with normal determination.The results showed that，under the same application of nitrogen (62 mg N?kg-1 soil) and potassium fertilization (67 mg K2O?kg-1 soil)，the application of phosphorous fertilization (32 mg P2O5?kg-1 soil) treatment significantly improved the yield of muskmelon，which reached 3.28 kg?plant-1.The muskmelon yield in application of phosphorous fertilization (32 mg P2O5?kg-1 soil) treatment was 17.56% higher than no application of phosphorous fertilization (0 mg P2O5?kg-1 soil) treatment，and the number of muskmelon and single fruit weight also increased by the application of P fertilizer.Meanwhile，the application of phosphorous fertilization (32 mg P2O5?kg-1 soil) treatment significantly increased the chlorophyll content，fluorescence and photosynthetic indicator，improved the leaf photosynthetic capacity and also increased soil available P content.In sum，the application rate (32 mg P2O5?kg-1 soil) of phosphorous fertilizers was recommended to warrant high muskmelon yield and to maintain the proper fertilizer input.

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Last Update: 2016-08-17