露地葡萄滴灌专用肥施用效果研究

目的]为葡萄的优质高产提供参考。方法]设置畦灌+传统施肥、滴灌+专用肥1、滴灌+专用肥2、滴灌+专用肥3,共4个处理,研究露地葡萄滴灌专用肥的施用效果。结果]滴灌处理润湿区域和非润湿区域的土壤含水量分别为16%~19%、11%~14%。3个滴灌处理的葡萄穗果数与果实重量均高于畦灌处理,产量显著增加,分别增产20.0%、14.9%、14.7%。专用肥3处理的葡萄果实Vc含量显著高于畦灌处理,专用肥2和专用肥3处理均提高了可溶性固形物含量。滴灌施肥的总施肥量比畦灌+传统施肥节省25.5%。结论]滴灌施肥可以为葡萄提供合理的水分与养分,提高水肥利用率和葡萄的产量及品质,减少施肥量。

Study on the Application Effect of Special Fertilizer for Drip Irrigation on Grape in Open Field

Objective] The purpose of the study was to provide references for the production of grape with high quality and yield.Method] Four treatments of border irrigation + traditional fertilization,drip irrigation + special fertilizer 1,drip irrigation + special fertilizer 2 and drip irrigation + special fertilizer 3 were set up to study the application effect of special fertilizer for drip irrigation on grape in open field.Result] The soil water contents in wetted and non-wetted areas in the treatment with drip irrigation were 16%～19% and 11%～14% resp.The fruit numbers per spike and fruit weights of grapes in the 3 treatments with drip irrigation were higher than that in the treatment with border irrigation,their yield significantly increased and increased 20.0%,14.9% and 14.7% resp.The Vc content in grape fruit treated by special fertilizer 3 was significantly higher than that in the treatment with border irrigation,both treatments with special fertilizers 2 and 3 enhanced the content of soluble solids.Compared with border irrigation + traditional fertilization,the total applied fertilizer amount in fertilization with drip irrigation was saved by 25.5%.Conclusion] Fertilization with drip irrigation could provide reasonable water and nutrient for grape,enhance the utilization rate of water and fertilizer and the yield and quality of grape and reduce fertilization amount.