Effects of Different Application Amount of Controlled-release Fertilizer on Grape(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effects of Different Application Amount of Controlled-release Fertilizer on Grape

Author(s):: WEI Jian-lin¹; CUI Rong-zong¹; ZHANG Yu-feng¹; YANG Guo¹; YU Shu-fang¹; LI Chun-mao²; 1.Institute of Agricultural Resources and Environment，Shandong Academy of Agricultural Sciences，Jinan，Shandong 250100；
2.Agriculture Bureau of Laiyang City，Laiyang，Shandong 253100

Keywords:: controlled-release fertilizer; grape; growing characteristics; yield

Abstract:: Available nitrogen fertilizer application at different stages as the control treatment，different amount of coated urea and an equal amount of urea mixed one-time application were used to study the effect of different amount of controlled release nitrogen fertilizer on grape growing characteristics and yield.The results showed that the release fertilizers had some influence on the grape spike weight，grains per spike，grain weight and other indicators，compared with the control treatment，the sugar content of grapes had been significantly improved.From the yield results，a certain amount of controlled release fertilizer and urea one-time application was the same or significantly improved compared with the control treatment，and this method reduced the nitrogen nutrient inputs and the times number of application.Taken together，the best fertilization methods in local was application nitrogen fertilizer N 24 kg per 667 m2，which 14 kg controlled-release nitrogen and 10 kg available nitrogen as base fertilizer.

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Last Update: 2014-08-31