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前言无土栽培从克服温室土壤障碍开始得以发展,在现代化农业生产中起到愈来愈大的作用。现代化温室业高度专业化,机械化,控制化,无土栽培从栽培系统上保证了适宜的植物根系环境,从温度的升降,氧气的供给,适宜的土壤湿度,特别是使根系营养水平得以控制,达到植物要求的适宜条件,使作物高产、优质成为可能。此外它还有充分利用土地,省水,能克服污染,是空间发展的必备技术等优点,使其得到人们的高度关注。无土栽培主要分固体基质栽培、液体基质栽培(即水培、营养液栽培)两大类。无
Introduction Soilless culture has been developed from overcoming soil barrier in the greenhouse and playing an increasingly important role in the modernization of agricultural production. Modernization of the greenhouse industry is highly specialized, mechanized, controlled and soilless cultivation The appropriate plant root system is guaranteed from the cultivation system, from the temperature rise and fall, the oxygen supply, the suitable soil moisture, and in particular the root nutrient level, To meet the requirements of plant suitable conditions, high yield crops, high quality possible. In addition, it has the advantages of making full use of land, saving water, overcoming pollution and being an indispensable technology for space development, and attracting people’s attention. Soilless cultivation is mainly divided into solid matrix cultivation, liquid matrix cultivation (ie hydroponic, nutrient solution cultivation) two categories. no