栽培方式对土壤环境与烤烟根系生长的影响
Crop Research(2012)
Abstract
采用田间小区试验,研究了4种烤烟栽培方式对土壤环境与根系生长的影响。结果表明,盖膜能提高旺长期之前的土温5℃左右;盖膜+定根水2 kg/株处理对于保持烤烟生育前期的土壤含水量比较有利;不揭膜处理和较高的墒高使土壤容重增大,孔隙度变差,影响土壤的通透性;盖膜有利于移栽早期烟株根系的发育,但揭膜处理促进旺长期至现蕾期根系的发育,墒高越高根系体积越大,浇定根水的量越多,越有利于根系的发育。
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Key words
Root properties,Soil environment,Planting pattern,Flue-cured tobacco
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