英语翻译为研究高海拔区域不同时期揭膜培土对烤烟产值量及烟叶内在成分的影响,总结最佳揭膜培土追肥时间,在云南省保山高海拔区

High altitude area for research in different periods of flue-cured tobacco production jie membrane fertilizer quantity and the influence of tobacco,chemical fertilizer optimum jie membrane in yunnan province,according to the time the high altitude area baoshan the experiment.Through the analysis,B (40 days jie transplant membrane fertilizer) with good agronomic characters and economic characters and chemical component index,C treatment (50 days jie transplant membrane,and A fertilizer) treatment (30 days jie transplant cucurbita foetidissima passwinter involve) in the film and economic characters agronomic characters in bad in D treatment (don't jie membrane fertilizer).High altitude area will be arranged in transplanting jie membrane fertilizer 40 days,tobacco plants grow well,and high economic efficiency and quality of chemistry.