33results about How to "Improve the quality of flue-cured tobacco" patented technology

The invention discloses bacillus pumilus and application thereof, which belong to the technical field of microbes. The produced strain of the invention is named Bacillus pumilus Van35 according to classification, and the preservation number of the strain is CGMCC No.3411. When the strain preparation is spayed, the soluble total sugar content and the reducing sugar content of tobaccos can be increased, while protein, total nitrogen and nicotine content are reduced. Therefore, specific values of the ratio of dextrose to nitrogen, the ratio of total sugar to betaine and the ratio of total nitrogen to total alkaloid tend to rise, the quality of chemicals is high and the quality of the smoke panel test is improved.

The invention discloses a curing method for improving the protein degradation rate of tobacco leaves. The curing method comprises the following steps: A. harvesting; B, weaving a rod and charging thatfurnace; C, flue-curing: the flue-cured tobacco leaves are flue-cured after the oven is charged, and the flue-cured tobacco leaves can be obtained through the yellowing period, the color fixing period and the dry rib period. The method of the invention has extremely great significance for ensuring the high-quality raw material supply of the cigarette industry by regulating the curing time, optimizing the curing process, improving the protein degradation rate of the tobacco leaves, regulating the protein content, and improving the quality of the bulk curing tobacco leaves.

A water-holding controlled release fertilizer for tobacco exclusively and a preparation method thereof are provided. The water-holding controlled release fertilizer includes the following materials by the weight percentage: 2 percent to 4 percent of sand grains, 10 percent to 14 percent of lemery, 10 percent to 14 percent of potassium nitrate, 10 percent to 14 percent of diammonium phosphate, 22 percent to 26 percent of cake fertilizer, 0 percent to 4 percent of zinc sulfate, 0 percent to 0.4 percent of sodium molybdate, 20 percent to 24 percent of adhesive A, 10 percent to 14 percent of adhesive B and 1 percent to 3 percent of water retention agent. The invention adopts the method that the water retention agent is at the outmost layer so that the water retention layer absorbs water at first. The water retention layer does not contact chemical fertilizer directly. The influence of the chemical fertilizer on the absorbing effect of the water retention agent is reduced. At the same time, according to the balanced fertilization principle of cured tobacco, the kind and the quantity of the deficient element of tobacco soil is supplemented. Hereby, the compound fertilizer especially for cured tobacco of the invention is designed and manufactured. By fixing the grain diameter of a core, nutrition dissolution property is changed by fertilizer enwrapping method in order to control the release of potash fertilizer effectively. Moreover, the water retention agent absorbs water, which consequently realizes the dynamic equilibrium of fertilizer release and plant absorption.

The invention discloses a temperature and humidity control algorithm for an intensive curing barn controller and relates to the technical field of environmental control in facility agriculture. Optimized PID (proportion integration differentiation) algorithm is used, and accurate control of temperature and humidity is realized by a controller. The controller comprises a PID controller, a relay link and a fuzzy controller for calibrating PID parameters; the PID controller completes control algorithm and calculates the control amount of output; initial parameters of the PID controller are achieved through the relay link; the fuzzy controller conducts online and real-time adjustments of the PID parameters of KP, Ki and KD according to deviation e and deviation rate of change ec so that the PID controller has adaptive capacity, and the system is always in an optimal control state. The temperature and humidity control algorithm for the intensive curing barn controller has the advantages of calculating parameters and variation amount of various environmental conditions in a curing barn, realizing accurate control of the temperature and humidity of the curing barn, and the like. Furthermore, the temperature and humidity control algorithm for the intensive curing barn controller can be used as a temperature and humidity controller in an intensive curing barn in domestic regions of any different latitude to conduct algorithm.

The invention discloses a curing method for reducing TSNAs in different varieties of flue-cured tobaccos by utilizing strains. The method comprises the following steps of harvesting fresh tobacco leaves, with the proper maturity, of the flue-cured tobaccos; classifying the harvested fresh tobacco leaves and then braiding the tobacco leaves into rods; preparing a bacterial solution with the OD600 value being 1 by using at least one strain in 05-101, J45 and J54, and then uniformly spraying the bacterial solution to the surface of the tobacco leaves which have been braided into the rods; loadingthe inoculated tobacco leaves which have been braided into the rods into a bulk curing barn; and curing the tobacco leaves which are loaded in a furnace, and obtaining the tobacco leaves with the lowTSNAs content through a yellowing stage, a color fixing stage and a stem drying stage. The special bacterial solution is inoculated to the fresh tobacco leaves which are about to be loaded in the furnace, and the stage changes of the environmental temperature and humidity in a drying chamber of the curing barn in the curing process are controlled according to the varieties of the tobacco leaves,so that the degradation of the TSNAs in the flue-cured tobaccos is promoted, the purpose of controlling the TSNAs content of the tobacco leaves to improve the quality of the flue-cured tobaccos is achieved, and the great significance is achieved for reducing the harm of the TSNAs in the tobaccos to the human health and the living environment.

The invention provides a wireless remote monitoring system for tobacco leaf roasting, which is characterized by comprising a computer, a server and a plurality of tobacco roasting automatic control instruments, wherein the computer is in communication connection with the server through Internet; each tobacco roasting automatic control instrument is provided with a wireless mobile data terminal; and the wireless mobile data terminal is connected with the server based on a TCP communication protocol. The server is provided with a short message transceiver, and the short message transceiver is in wireless communication connection with multiple mobile phones of tobacco growers. The computer is a 3G palm computer. The wireless remote monitoring system for tobacco leaf roasting can save the cost, and improve the tobacco roasting quality and production efficiency.

The invention provides a cultivation method of rice stubble flue-cured tobacco. By improving the planting density of the rice stubble flue-cured tobacco and reducing the nitrogen fertilizer consumption, especially, increasing the topdressing fertilizer nitrogen ratio, reducing the nitrogen fertilizer consumption at the early stage, increasing the topdressing fertilizer application frequency, applying topdressing fertilizer nitrogen and water and other measures and other group regulation and control cultivation techniques, not only the high quality and reasonable yield of the rice stubble flue-cured tobacco can be guaranteed, but also the nitrogen fertilizer utilization efficiency of the flue-cured tobacco can be significantly improved, and a green, nitrogen-reducing, high-yield synergy effect can be achieved.

The invention provides a flue-cured tobacco flue-curing barn control system and a control method thereof, and relates to the technical field of flue-curing of flue-cured tobacco. The flue-cured tobacco flue-curing barn control system comprises a flue-curing chamber (1), a heat pump unit chamber (2), a retaining wall (3), and a moisture exhaust passage (4). The moisture exhaust passage (4) is disposed below the flue-curing chamber (1). The flue-curing chamber (1) is adjacent to the heat pump unit chamber (2). The retaining wall (3) is horizontally arranged. The flue-curing barn is convenient toset up and install, has a long service life, and can greatly improve the utilization rate of heat energy by the use of the heat pump unit chamber, thereby reducing the labor cost. The control methodof the flue-cured tobacco flue-curing barn control system accurately controls the temperature and humidity of the flue-curing barn by controlling the return air, and guarantees the quality of the flue-cured tobacco strictly according to the requirements of the three-stage flue-curing process.

The invention discloses flue-cured tobacco cadmium-reducing organic fertilizer based on cow dung and a preparation method and application thereof. The flue-cured tobacco cadmium-reducing organic fertilizer comprises cow dung, potassium dihydrogen phosphate, sodium selenite, furnace slag, calcium carbonate, magnesium sulfate and sulfuric acid according to a certain ratio. The preparation method comprises A, stack retting decomposition of cow dung, potassium dihydrogen phosphate and sodium selenite, B, furnace slag preparation, and C, preparation of enough amounts of other three commodity raw materials and furnace slag raw materials prepared through the step B based on the mass of the cow dung matrix in step A, and uniform stirring of the raw materials and a stack retting decomposition raw material prepared through the step A so that the flue-cured tobacco cadmium-reducing organic fertilizer is obtained. The flue-cured tobacco cadmium-reducing organic fertilizer has a simple formula. Thepreparation method is easy and is easy to operate. The product satisfies the national organic fertilizer standards, significantly passivates the soil cadmium activity, reduces flue-cured tobacco cadmium accumulation, reduces the soil active cadmium by 28.8-44.9% and flue-cured tobacco cadmium content by 18.8-50.3%, especially reduces the cadmium in the upper leaves by 42.9-50.3% and has a large promotion and application value in the heavy metal-polluted tobacco areas such as cadmium-polluted tobacco areas.

The invention relates to a planting method for ecological high yield of spring peanut-spring tobacco and belongs to the technical field of crop planting. The planting time of peanuts can be changed while planting densities are adjusted, the yield of flue-cured tobacco and peanuts can be changed, and furthermore, the total benefit can be affected. The invention aims to provide a spring peanut-spring tobacco ecological high-yield planting method. A spring peanut-spring tobacco 2:2 relay intercropping-intercropping mode (two rows of peanuts in one ridge and two ridges of tobacco are in relay intercropping-intercropping) is adopted, and by adopting the mode, the yield of peanuts can be increased by 120kg/mu while high yield and high quality of the flue-cured tobacco is ensured. The yield per mu of peanuts can be increased by 110kg, the quality of the flue-cured tobacco can be improved, and the comprehensive output value is increased by 22%; soil-borne diseases can be reduced, ecological environments of soil can be improved, problems of ecological unbalance of soil in tobacco fields, serious soil-borne diseases of the tobacco fields, and the like, can be effectively solved, and harmonious development of land maintenance and use is achieved.

A novel tobacco furnace comprises a furnace body, a furnace door and a hook. The furnace body is provided with a fuel chamber; the inner wall of the furnace body is provided with a crank, a pulley and a hook; the pulley is connected with the crank through a rope; and the top out of the furnace body is provided with an automatic alarm. By adopting the structure, coal can be placed in the fuel chamber as fuel, tobacco leaf to be baked is sent to the hook through the crank and the pulley, and the furnace door is closed, then tobacco leaf is baked under sealing condition, thereby achieving the aim of improving the tobacco quality.

Provided is a method for ecologically regulating and controlling continuous cropping obstacles of tobaccos by interplanting coprinus comatus in a tobacco field. A 'coprinus comatus-cellulase-soil organic matter-soil organism-soil urease' ecological chain is constructed. The method comprises the specific operating steps: (1) shaded soil under tobacco plants is used as a coprinus comatus cultivationbed; (2) the tobacco field is furrowed and disinfected; (3) coprinus comatus fungus blocks are prepared, wherein a coprinus comatus fungus block base material comprises wheat straw, wheat bran, cow dung, urea, gypsum and lime; after pretreatment, material stirring, pile-building fermentation, pile turning and material airing are carried out on the fungus block base material, coprinus comatus strains are sown according to 10% of the dry weight of the base material; (4) the coprinus comatus fungus blocks are put into the cultivation bed: (5) coprinus comatus fungus leftovers are directly ploughed into the soil after tobacco leaves are harvested. By adopting the method, the soil microenvironment of the tobacco field is fundamentally improved, phenolic acid type allelopathic auto-toxic substances in the rhizosphere soil of the tobaccos are continuously and stably digested, and ecological regulation and control of continuous cropping of the tobaccos are realized; the coprinus comatus cultivation leftovers are recycled, so that waste is turned into wealth, the coprinus comatus cultivation cost is reduced, the quality of flue-cured tobaccos is improved, and income of tobacco farmers is increased.