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育苗移栽是世界各国广泛采用的烟草栽培法。我国烟草栽培,除小部分黄花烟和晒烟采用直播外,广大烟区都是育苗移栽。育苗的基本要求是适时育成数量充足、大小适宜的壮苗。一般春烟要求适栽壮苗,茎秆粗壮,高7厘米左右,直径0.7厘米左右,具有8~10片真叶,无病虫害,生长发育正常,苗龄50~60天,根系发达,叶色深绿,抗逆性强。一、育苗方式1.露地育苗:一般是在温暖季节育苗,采用的形式可分为平畦、高畦和阳畦。1平畦:畦与地面等高或略高,畦的周围做埂,便于灌溉和管理。山东、河南
Seedling transplanting is widely used in all countries in the world. Tobacco cultivation in our country, with the exception of a small portion of yellow smoke and sun-cured tobacco live, the majority of tobacco growing areas are transplanting seedlings. The basic requirement of nursery is to breed nursery seedlings of adequate size and suitable size timely. General spring smoke suitable for planting strong seedlings, stalks thick, about 7 cm high, about 0.7 cm in diameter, with 8 to 10 true leaves, no pests and diseases, normal growth and development, seedling age 50 to 60 days, developed roots, leaf color Dark green, strong resistance. First, nursery methods 1. Open nursery: nursery seedlings are generally raised in the warm season, the use of the form can be divided into flat 畦, 畦 畦 and Yang 畦. 1 flat 畦: 畦 equal or slightly higher than the ground, 畦 around the 埂 for easy irrigation and management. Shandong, Henan