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一、剪叶技术烟叶漂浮育苗是一种无土栽培新方法,而剪叶技术是烟叶漂浮育苗培育壮苗的一个关键技术。1.“前促”。烟苗长到5~6厘米并有5片真叶时
First, the leaf-cutting technology Floating nursery tobacco is a new method of soilless culture, and leaf-cutting technology is a key technology to cultivate seedlings floating tobacco seedlings. 1. “Promote”. Tobacco grow to 5 to 6 cm and 5 true leaves