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当前位置: 首页 > 文章 > 液体地膜覆盖对烟苗生长发育的影响 河南农业科学 2007,36 (7) 31-34
Position: Home > Articles > Effects of Liquid Film Mulching on the Growth and Development of Tobacco Seedlings Journal of Henan Agricultural Sciences 2007,36 (7) 31-34

液体地膜覆盖对烟苗生长发育的影响

作  者：
熊瑛;吕强;王小东;陈明灿;付国占;李友军
单  位：
河南科技大学农学院
关键词：
液体地膜;塑料地膜;覆盖;烟草;生长发育
摘  要：
研究了塑料地膜覆盖(DM)、液体地膜覆盖(YM)和露地(ck)3种覆盖方式对烟苗生长发育的影响,结果表明,移栽后30 d,45 d,烟株各部位展开叶叶片长宽及叶面积、地上部总干重、根干重、一级侧根数量、二级侧根数量、一级侧根粗、茎基粗和根系活力均表现为DM>YM>ck;液体地膜覆盖在协调烟株地上部与地下部生长关系上作用显著,移栽后30 d 3种覆盖方式的根冠比表现为YM>ck>DM,移栽后45 d的根冠比表现为ck>YM>DM。液体地膜覆盖可以显著促进烟株根系的纵向生长,提高根系活力和抗逆性,防止早衰,是一种清洁、方便、无污染、无残留的新型覆盖材料。
译  名：
Effects of Liquid Film Mulching on the Growth and Development of Tobacco Seedlings
作  者：
XIONG Ying,LU Qiang,WANG Xiao-dong,CHEN Ming-can,FU Guo-zhan,LI You-jun*(Agricultural College,Henan University of Science and Technology,Luoyang 471003,China)
关键词：
Liquid film;Plastic film;Mulching;Tobacco;Growth and development
摘  要：
Effects of the plastic film mulching(DM),liquid-film mulching(YM) and open ground(ck) on the growth and development of flue-cured tobacco variety NC89 were studied.The results showed that DM>YM>ck for all the morphological and physiological characters of tobacco tested after 30d and 45d of transplanting,including the leaf blade length,breadth and areas,the entire dry-weight above ground,the dry-weight of roots per plant,the numbers of first and second lateral roots per plant,the diameter of first lateral root,the stem-base thickness and root activity.Liquid-film mulching had significant effects on coordinating the growth relations between the aboveground and underground of tobacco.The root/shoot ratio was YM>ck>DM after 30d of transplanting,and ck>YM>DM after 45d.YM could greatly promote the longitudinal growth of root,enhanced the root activity and stress resistance,and prevented the early aging.Liquid-film was a new, clean and no-pollution mulching material.

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