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34results about How to "Increase the proportion of high-quality smoke" patented technology

Flue-curing method for flue-cured tobacco NC87 tobacco leaves

The invention belongs to the technical field of tobacco processing, and particularly relates to a flue-curing method for flue-cured tobacco NC87 tobacco leaves. The method comprises the steps that purple soil is planted to obtain lower tobacco leaves, middle tobacco leaves and upper tobacco leaves of NC87 to be flue-cured in different curing barns separately, the temperature is increased slowly inthe tobacco leaf yellowing period inside the curing barns, frequency conversion control is performed on a circulating fan adopted in different flue-curing stages of the yellowing period, the fixationperiod and the stem-drying period, and the whole flue-curing stage is divided into ten small stages; meanwhile, the temperature is increased at low speed in the yellowing period, and the temperatureof the yellowing period is controlled to be 389 DEG C or below; the high and medium temperature yellowing steady temperature period is prolonged by 12 h, and the fixation middle and later period steady temperature period is prolonged by 12 h; finally, the NC87 obtained after flue-curing is superior in appearance and quality, chemical components inside the tobacco leaves can be coordinated, the tobacco leaf sensory evaluation quality is improved, and economic benefits are improved.
Owner:GUANGDONG BRANCH OF CHINA TOBACCO GENERAL

Tobacco organic fertilizer and preparation method thereof

The invention relates to the technical field of vegetable fertilizers and in particular relates to a tobacco organic fertilizer and a preparation method thereof. The tobacco organic fertilizer is prepared from the following raw materials in parts by weight: 25-35 parts of rape seed cake, 10-20 parts of bean cake starter, 10-15 parts of thoroughly decomposed tobacco wastes, 5-15 parts of pig manure, 3-5 parts of chicken manure, 5-15 parts of nitrogen fertilizer, 1-3 parts of potash fertilizer, 3-8 parts of phosphate fertilizer, 1-3 parts of humic acid, 1-3 parts of straws, 1-3 parts of calciummagnesium phosphate fertilizer and 0.5-1 part of culture. The tobacco organic fertilizer provided by the invention contains highly active substances and can achieve effects of freeing out lots of electric charge under the effect of water and breaking down blocking materials in micropores of soil aggregate, so that the soil restores the granular structure, and the effects of smoothing gas and heat,promoting growth and activity of aerobic useful plants, inhibiting and decomposing toxins in soil, increasing the content of organic matters in the soil and providing a loose and swelling growth environment for the crop root system; and moreover, according to the bean cake starter and the humic acid, direct nutritive materials can be provided for tobacco, growth of tobacco plants is promoted, thecost is low, and the economic benefits of tobacco leaves can be effectively increased.
Owner:HUNAN AGRICULTURAL UNIV

Method for drought resisting transplanting of flue-cured tobacco through agriculture and forestry water-retaining agent

The invention relates to a method for drought resisting transplanting of flue-cured tobacco through an agriculture and forestry water-retaining agent and belongs to the technical field of cultivation of the flue-cured tobacco. The method for drought resisting transplanting of the flue-cured tobacco through the agriculture and forestry water-retaining agent comprises the four steps of determining the dosage of the agriculture and forestry water-retaining agent for flue-cured tobacco cultivation, selecting soil and the agriculture and forestry water-retaining agent, preparing gel of the agriculture and forestry water-retaining agent, and transplanting flue-cured tobacco seedlings. The method is simple and reliable, and by adopting the method to carry out drought resisting cultivation of the flue-cured tobacco, it can be ensured that the drought resisting time after the flue-cured tobacco is transplanted reaches 20 days or over, the yield per mu can be increased by 9.8-13.3 kg, and the output value per mu can be increased by 327.6-448.2 CNY. Meanwhile, the method relieves white pollution, protects the ecological environment of tobacco fields and is easy to apply and popularize.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI

Double-cropping planting method for tobacco plants and autumn peas

The invention belongs to the technical field of crop-rotation planting of tobacco plants and discloses a double-cropping planting method for tobacco plants and autumn peas. The method comprises the steps: tobacco plant-autumn pea crops-for-rotation link: carrying out land preparation, and carrying out basal fertilizer application; autumn pea planting: carrying out sowing, carrying out fertilizer and water management, and carrying out harvesting; autumn pea-tobacco plant crops-for-rotation link: carrying out land preparation, carrying out ridge forming, carrying out basal fertilizer application, and carrying out mulching; and tobacco plant planting: carrying out seedling raising, carrying out transplanting, carrying out field management, and carrying out mature picking and curing. Accordingto the method, the problem on tobacco field soil obstacle caused by the existing tobacco plant planting single-cropping continuous-cropping mode can be effectively solved, soil nutrients are balanced, root system development is promoted, accumulation of harmful substances and plant diseases and insect pests are reduced, the yield and quality of tobacco leaves and comprehensive economic results ofa tobacco field are improved. Shown by experiments, by the method, organic matters of soil can be increased by 10%-20%, the structure of an arable layer is improved obviously, the incidence rate of diseases is lowered by 55%, the first-class tobacco ratio of the tobacco leaves is increased by 5%-7%, the chemical ingredient coordination and sensory evaluation score of the tobacco leaves are improved obviously, and the comprehensive economic results of farmers are increased by 15%-20%.
Owner:TOBACCO RES INST CHIN AGRI SCI ACAD

Compound preparation and spraying method thereof

The invention belongs to the technical field of tobacco planting and particularly relates to a compound preparation and a spraying method thereof. The compound preparation comprises gibberellin, indoleacetic acid, potash fertilizer and non-ionic surfactant. The invention further provides the spraying method of the compound preparation. The spraying method includes the steps that the compound preparation is dissolved in water, and a mixed solution is obtained through mixing; the mixed solution is sprayed on surfaces of leaves on the upper portions of tobacco plants. According to actual spraying and measurement, the compound preparation and the spraying method can effectively increase the total sugar content, the reducing sugar content, the potassium content and the nicotine content in tobacco leaves, meanwhile, the starch content is reduced, and the ratio of sugar to nicotine and the ratio of nitrogen to nicotine are increased. Besides, the compound preparation and the spraying method can effectively increase the flue-cured tobacco yield, the production value and the first-class tobacco proportion, and economic benefits are remarkably improved. The technical scheme is simple, convenient to use and suitable for large-scale popularization.
Owner:CHINA TOBACCO GUANGDONG IND +1

The Method of Transplanting Flue-cured Tobacco Using Agriculture and Forestry Water Retaining Agent to Resist Drought

The invention relates to a method for drought resisting transplanting of flue-cured tobacco through an agriculture and forestry water-retaining agent and belongs to the technical field of cultivation of the flue-cured tobacco. The method for drought resisting transplanting of the flue-cured tobacco through the agriculture and forestry water-retaining agent comprises the four steps of determining the dosage of the agriculture and forestry water-retaining agent for flue-cured tobacco cultivation, selecting soil and the agriculture and forestry water-retaining agent, preparing gel of the agriculture and forestry water-retaining agent, and transplanting flue-cured tobacco seedlings. The method is simple and reliable, and by adopting the method to carry out drought resisting cultivation of the flue-cured tobacco, it can be ensured that the drought resisting time after the flue-cured tobacco is transplanted reaches 20 days or over, the yield per mu can be increased by 9.8-13.3 kg, and the output value per mu can be increased by 327.6-448.2 CNY. Meanwhile, the method relieves white pollution, protects the ecological environment of tobacco fields and is easy to apply and popularize.
Owner:YUNNAN ACAD OF TOBACCO AGRI SCI
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