麦烟共生期研究

SYMBIOTIC PERIOD OF WHEAT AND TOBACCO

对不同麦烟共生期和烤烟移栽期的研究表明，同一烤烟移栽期的麦套烟与空土烟的烟叶产、质量无明显差异；５月上旬移栽的麦套烟或空土烟的烟叶产量、均价、产值和单叶重均显著高于５月下旬移栽的麦套烟或空土烟。在贵州黔中地区的麦烟套作制中，烤烟应在５月上中旬移栽。

The experimental results of the different wheat tobacco symbiotic periods and different transplanting date for tobacco seedlings indicated that the yield and quality of tobacco from wheat interplanted with tobacco has no significant difference.Compared with those from the fallow soil at same transplanting date,and the yield,mean price,output valueandsingle leafweight of the tobacco whether interplanting or fallow soil transplanted on the first ten days of May are significantly better than those on the third ten days of May.In the interplanting system of middle regions of Guizhou,the tobacco seedlings should be transplanted on the first or second ten days of May and symbiotic period of wheat and tobacco seedlings should be controlled within 35 days.