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本文就营养液栽培的最新技术动向做几点介绍。 1.营养液栽培的使用情况日本的营养液栽培开始实用化是1960年由农林水产省园艺试验场的山崎、崛氏等最先确立了由园艺试验配方产生的均衡培养液管理方法的砾培系统之后,由周围的农户普及推广的。另外,1964年上述园艺试验场发明了完全下用砾石,进行强制循环的水培系统。此后各大学、试验场、设备制造商又开发推广了各种各样的营养液栽培系统。根据农林水产省的调查,日本营养液栽培设施面积1973年72公顷,75年80公顷,77年150公顷,79年226公顷,81年283公顷,有逐年增加的趋势。目前日本的设施园艺大棚总面积大约在3万公顷以上。大棚总面积的1％引用了营养液栽培装置。另外从保护地中的玻璃温室来看,采用营养液栽培的面积占全部玻
In this paper, the latest nutrition trends of liquid culture make a few introduction. 1. The Use of Nutrient Liquid Cultivation The start of practical use of nutrient solution cultivation in Japan was first established in 1960 by Yamazaki and Ryohime of the Horticultural Testing Center of the Ministry of Agriculture, Forestry and Fisheries. The gravel culture of the balanced culture fluid produced by the horticultural test formula After the system, popularized by the surrounding farmers. In addition, the above-mentioned horticultural test site in 1964 invented a hydroponic system completely under gravel for forced circulation. Since then, universities, test sites and equipment manufacturers have also developed and popularized a variety of nutrition hydroponics systems. According to the survey conducted by the Ministry of Agriculture, Forestry and Fisheries, the area of nutrient solution cultivation facilities in Japan is 72 hectares in 1973, 80 hectares in 75 years, 150 hectares in 77 years, 226 hectares in 79 years and 283 hectares in 2001, which is increasing year by year. Currently, the total area of gardening sheds in Japan is about 30,000 hectares. 1% of the total area of the greenhouse quoted a nutrient hydroponics device. In addition, from the protection of the glass greenhouse in the point of view, the area occupied by nutrient solution accounted for all of the glass