Study Of The Effect Of Organic Manure Combined With Chemical Fertilizer On Flue-cured Tobacco’s Production,Output And Quality

Hezhou base was an important tobacco production place to our company. In recent year, because of the largely usage about chemical fertilizer and neglect the use of organic fertilizer, that led to the soil degrade seriously. This paper proven the appropriate usage amount about the organic fertilizer and guided tobacco planting of Hezhou production area through researching the effect of combined fertilization about biological organic fertilizer, peanut fertilizer and chemical fertilizer, and the effect of different uage amount about peanut fertilizer, cake fertilizer on the yield, quality of flue-cured tobacco. The main conclusions of research were as follows.1. The approppriate amount about combined fertilizer that contained biological organic fertilizer, peanut cake fertilizer and chemical fertilizer could effectively prolong the growth period of tobacco plant, promote tobacco leaves fully mature, increase the height of tobacco plant, stem girth and the number of tobacco leaves, and strengthen the resistance of disease, reduce the occurrence of tobacco disease. At the same time, the combined fertilizer about biological organic fertilizer, peanut cake fertilizer and chemical fertilizer could improve flue-cured tobacco’s overall quality, better the appearance quality, coordinate the chemical components, and increase the smoking quality. The results of this research showed that, in suitable nitrogen condition, the fertilizer usage of10%biological organic fertilizer+20%peanut cake fertilizer+70%chemical fertilizer was benefit to the growth of tobacco plant, and increasing the quantity and quality of tobacco leaves.2. The appropriate amount of peanut cake fertilizer could promote the growth of tobacco plant, increase the resistance of tobacco plant, height the quality of flue-cured tobacco leaves, increase the tobacco leaves’oil, coordinate the ratio of reducing sugar and nicotine, nitrogen and nicotine, potassium and chlorine, enhance the smoking quality of tobacco. In Hezhou tobacco planting area, we suggested that the usage of peanut cake fertilizer in375.0kg/hm2-525kg/hm2.3. The appropriate amount of rapeseed fertilizer could increase the growth before rosette stage, improve the growth of tobacco plant in mid-later stage, and increase the resistance disease of tobacco plant. And in the same time, appropriate amount of rapeseed fertilize could improve the appearance quality, coordinate the chemical components and increase the smoking quality. So considering the agronomic characteristics of tobacco in field and the quality of flue-cured tobacco, we suggested rapeseed bran control in450kg/hm2.