摘要
采用大田对比试验的方法研究了大理州烤烟膜下滴灌的效果。结果表明,随着烟株的生长和发育,干物质积累逐渐增加,以旺长期和成熟期干物质积累为主;硝酸还原酶均在旺长期活性最强,成熟期显著下降;在较适宜滴灌量范围内,较小的滴灌量有利于提高水分利用率。大理州自然生态条件下,以40~50 m3/667m2滴灌量为宜。
Effects of drip irrigation in Dali on tobacco growth were studied by using field comparative experiment.The results showed that dry matter accumulation gradually increased with the development of tobacco growth,and main phase was fast growing and round top period.Nitrate reductase activity reached peak in fast growing period,and significantly declined after round top period.In the range of relatively appropriate drip irrigation rate,lower drip irrigation rate was of benefit to enhancement of water use efficiency.In conclusion,drip irrigation rate of 40-50 m3/667m2 was appropriate to Dali tobacco-planted area.
出处
《中国烟草科学》
CSCD
北大核心
2011年第5期42-46,共5页
Chinese Tobacco Science
基金
云南中烟工业公司项目"大理优质特色烟叶质量保障体系研究"(2009YL02-2)
关键词
膜下滴灌
烤烟
生长发育
产量
质量
水分利用率
drip irrigation
flue-cured tobacco
growth
yield
quality
water use efficiency
作者简介
王洪云，男，高级工程师，主要从事烟叶原料生产和工艺质量研究。E-mail：ydh870@hongta．com
