移栽期与施氮量对烟叶产质量的影响

为探究适宜陕西洛南烟区的烤烟移栽期和施氮量，试验以云烟99为供试材料，对比不同移栽期(4月25日、5月1日、5月6日)和施氮量(112.5 kg/hm~2、120 kg/hm~2、127.5 kg/hm~2)对烤烟主要生育期、农艺性状、病害发生、经济性状等的影响。结果表明，在洛南以5月1日移栽、施氮量为120 kg/hm~2时，烟叶品质最优。

Effects of Transplanting Period and Nitrogen Application Amount on Quality of Tobacco Leaves

In order to explore the suitable transplanting period and nitrogen application amount of flue cured tobacco in tobacco planting area of Luonan. A field experiment was carried out to study the effects of different transplanting periods (April 25, May 1, May 6) and nitrogen application amount (112.5, 120, 127.5 kg/hm²) on the growth period, agronomic characters, disease occurrence and economic characters of flue cured tobacco. The results showed that the tobacco quality was the best when the nitrogen application amount was 120kg/hm² and the transplanting date was on May 1 in Luonan.