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烟草包衣种子是近年来烤烟生产中广泛应用的新技术,它溶农药、肥料、生长剂为一体,具有节约种子、营养生长迅速、促进发育、减少病虫危害、培育壮苗等优点。但包衣种子必须直接播种,在同样条件下,比催芽播种的种子晚出苗20天。而且,从播种至出苗时间长,苗床表面土壤水分蒸发后,凝聚在
Tobacco seed coating is a new technology widely used in flue-cured tobacco production in recent years. It dissolves pesticides, fertilizers and growth agents and has the advantages of saving seeds, rapid vegetative growth, promoting development, reducing pests and diseases, and cultivating strong seedlings. However, the coated seeds must be planted directly and, under the same conditions, germinate 20 days later than the germinated seeds. Moreover, from the sowing to the emergence of a long time, seedbed surface soil moisture evaporation, cohesion in