在设施农业中,无土栽培正在改革着传统种植方式,成为飞速发展的新兴学科。实践证明,无土栽培具有节水、节能、省工、省肥、减少环境污染、防止连作障碍、产品无污染及高产高效等一系列优点。目前,世界上应用无土栽培技术的国家和地区已达100多个,由于其栽培技术的逐渐成熟和发 In the facility agriculture, soilless cultivation is reforming the traditional planting methods, becoming a rapidly emerging new subject. Practice has proved that soilless culture has a series of advantages of water saving, energy saving, labor-saving, fertilizer, reduce environmental pollution, prevent continuous cropping obstacles, product pollution and high yield and efficiency. At present, there are more than 100 countries and regions applying soilless culture technology in the world. Due to the gradual maturity and development of cultivation techniques