烤烟硅肥肥效及施用量的研究

本文以省内８个产烟县统一硅肥肥效试验结果中的产量及产值为依据，分别进行了各点试验及其同质检验试验的变量分析，其中多数试验的处理Ｆ值都达到显著标准。硅肥对烤烟增产增值是有效的，可信的，应注意因地制宜施用具佳施硅量。硅肥增产增值原因在于促进烤烟生长，增加叶面积及其指数，以及缓解烤烟病害，特别是炭疽病害，因而提高了烤烟中上等烟的比例。

Study on Silicon Fertilizer Efficiency and Its Applied Amount of Tobacco in Yunnan

Based on results of yield and productive value from united experiments of Silicon fertilixzer efficien- cy , The paper calculates and discusses the variance analysis of home quality are test and experiments at eight famous coumties of tobacco " F" value of most treatments above the level of significanud It indicatws that effect of Silicon fertilizer on increasing production and productive value is obviously efficient and reliable In application the amount of Silicon fertiliz- er must be suitablein line with local coditions The increasing yield and productive value come fron promotion of the plant growth, increase of leaf area and its index and decrwase of disseases samage, particulaily anthoracmoss of tobacco ( Col- lotrichum Nicotianae Avema - Sacca) so as to raise the proportion of middle an first - grades of leaf - quality of flue - cured tobacco.