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目前我省蔬菜育苗主要采用手工操作,机械化水平低,苗龄长,费工多,成本高,风险大,易遭受病虫害和灾害性天气的危害。 近几年来,上海、无锡、北京等地开展了蔬菜“无土育苗”技术研究。蔬菜“无土育苗”是用砻糠灰、砂等作为培养基质,幼苗所需营养使用溶解于水的各种盐类所配制特
At present, vegetable nurseries in our province mainly use manual operation, low mechanization level, long seedling age, more labor, high cost and high risk, and are easily endangered by diseases, pests and disastrous weather. In recent years, Shanghai, Wuxi, Beijing and other places carried out vegetable “soilless seedling” technology research. Vegetable “soilless seedling” is used as chaff dust, sand and other culture medium, seedlings required for the use of nutrients dissolved in water prepared by a variety of special salts