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作者在实践中初步掌握了防风引种到苏北后的生物学特性及栽培技术,并获得较高产量,在防风的繁殖方法上实现了分根繁殖。
In practice, the author preliminary mastered the biological characteristics and cultivation techniques after the introduction of windbreak into northern Jiangsu and obtained higher yield, and realized root-breeding in the windbreak breeding method.