42results about How to "Address perishable" patented technology

The invention discloses a method of quickly repairing a cadmium polluted cultivated land by crop rotation of a cadmium super-enriching plant and an energy plant. The method comprises the following step: planting the cadmium super-enriching plant and the energy plant in the cadmium polluted cultivated land in the natural growth periods thereof for conventional cultivation to achieve the purpose ofrepairing the cadmium polluted cultivated land by means of adsorbing and enriching abilities of the cadmium super-enriching plant and the energy plant, wherein the cadmium super-enriching plant is sedum plumbizincicola and the energy plant is sorghum or oilseed rape. The invention provides a planting mode which is not limited by growth seasons. Based on one year as the repair period, the soil repair efficiency of the polluted cultivated land is increased by means of a relatively long growth period in multi-cropping plantation, and the method is short in repair period, high in operability and low in cost, and repairs the land more thoroughly.

The invention provides composite ecological wood. The wood comprises the following compositions in percentage by weight: 35 to 40 percent of wood meal, 40 to 49 percent of PVC, 2 to 3 percent of calcium carbonate, 4 to 6 percent of a foaming regulator, 4 to 6 percent of a stabilizing agent, 4 to 6 percent of impact-resistant ACR, 0.5 to 1.5 percent of a processing additive ACR, 0.2 to 0.4 percent of toner, an internal lubricant and an external lubricant, a foaming agent accounting for 0.1 to 1 percent of the PVC and a coupling agent accounting for 3 to 5 percent of the wood meal; and when a product is used outdoors, the product also comprises an antioxidant, an ultraviolet absorbent and a light stabilizing agent which have 0.1 to 0.5 percent of weight portions respectively. Compared with the prior art, the composite ecological wood thoroughly overcomes the disadvantages of raw wood, improves the shortage of the raw wood and keeps the particular wooden texture of the raw wood; simultaneously, for the addition of the antioxidant, the ultraviolet absorbent and the light stabilizing agent, the composite ecological wood also prevents photooxidation, fading, cracking and the like caused by ultraviolet irradiation, increases the weather resistance and prolongs the service life.

The invention discloses a carbon plastic negative ion plate capable of effectively adsorbing formaldehyde and purifying air and a preparation method of the plate. The carbon plastic negative ion plate comprises in weight percentage, 5%-50% of resin, 5%-50% of powdered carbon, 5%-20% of vermiculite powder, 5%-15% of calcium carbonate, 5%-10% of plant fibers, 1%-5% of germanite powder, 0.5%-2% of tourmaline powder, 0.5%-2% of ACR, 0.2%-2% of PE (polyethylene) wax, 1%-5% of foaming control agents, 1%-3% of compound stabilizers, 1%-3% of nanometer titania, 0.1%-2% of stearic acid, 1%-3% of CPE (chlorinated polyethylene) and 0.1%-1% of foaming agents.

The invention discloses a transplantation method of a tree, which comprises the steps that garden soil is modified; the modified garden soil is sterilized; the excavated tree is trimmed; a cut root system of the tree is coated with rawhide slurry; branch and trunk notches are applied with a healer facilitating wound healing; the cut root system, exposed out of a root soil ball, of the tree is wrapped with plain soil for root healing cultivation; a growth compound fertilizer and an auxin solution are added to the sterilized garden soil, and mixed uniformly; after a root of the tree is healed, a transplantation hole is excavated in the garden soil; the plain soil on an outer layer of the root soil ball of the tree is removed and then transplanted into the transplantation hole; and then the tree is subjected to moisturizing, temperature reduction, shading and insect prevention. The garden soil is improved, and the root is subjected to the healing cultivation before the tree is transplanted, so that transplantation is performed in the total-nutrient garden soil after the root is healed completely, the putrescibility of the root due to direct transplantation of the tree is avoided, and a survival rate of the tree is increased.

Provided is a seedling cultivating method combining rose grafting and cuttage. In autumn and winter, annual rosa multiflora, rose and rosa chinensis branches are taken as rootstocks, rose branches of the current year are selected, and grafting is conducted; the portions, 2-3 cm long, at the lower ends of the rootstocks are soaked in a 200 mg / L alcohol solution of 50% IBA+NAA for 2 hours and buried in a mixture of sand and saw dust in the ratio of 1:1 by 45 degrees after being taken out, the relative humidity is kept to be 50-60%, a film covers the rootstocks for heat preservation for about 20 days, and soil is kept moist; relative humidity of air in a film greenhouse should be kept over 85%, air temperature is controlled to be 15-28 DEG C, the plastic film of the arch greenhouse is removed 20 days after insertion along with gradual raising of the air temperature, the film is replaced with a sunshade net to cover the greenhouse, 0.2% urea or monopotassium phosphate liquid is sprayed every 10 days to promote growth of scion root systems and fresh treetops, a 5000-fold carbendazim or 1000-fold chlorothalonil aqueous solution is sprayed every 15 days, seedlings cultivated through rose grafting and bud cuttage can grow to the height of 50-80 cm in autumn in the current year, and transplanting and field planting can be conducted according to requirements in winter after leaves fall.

The invention provides instant loquat powder. The instant loquat powder is prepared by granulating the following ingredients in parts by weight: 65-80 parts of loquat flesh powder, and 2-8 parts of loquat leaf powder. The loquat flesh powder is prepared from the following steps: sieving raw materials; cleaning the sieved materials, removing kernels, and performing pulping so as to obtain pulp; adding 0.2-1% of pulp enzyme and 2-6% of beta-cyclodextrin in the pulp for enzymolysis; extracting juice, and sterilizing the juice so as to obtain clear juice; adding 0.02-0.1% of juice enzyme in the clear juice for enzymolysis and clarification; and performing concentration and pulverization so as to obtain the powdered loquat flesh powder. According to the method disclosed by the invention, the juice yield of loquat fresh is high, and the extraction ratio of effective ingredients is high; the obtained loquat flesh powder is varied in effective ingredients, high in content, few in impurities, good in solubility, and can be instantly dissolved when being brewed.

The invention relates to a method for producing salinized dried bamboo shoots, in particular to a method for producing dried bamboo shoots. The method comprises the following steps of: collecting fresh bamboo shoots; shelling the collected fresh bamboo shoots; removing mature bamboo shoots; trimming the remaining bamboo shoots; cleaning the repaired bamboo shoots; boiling the cleaned bamboo shoots with water to kill green; cooling and rinsing the water-boiled bamboo shoots; pressing the cooled and rinsed bamboo shoots and fermenting the pressed bamboo shoots; and drying the fermented bamboo shoots naturally or by baking. The method is characterized in that: a saline water soaking process is performed between a cooling and rinsing process and a pressing and fermenting process in conventional dried bamboo shoot making steps. In the saline water soaking process, the bamboo shoots treated by a previous process are soaked in saline water for 15 to 20 minutes, wherein the salt concentration of the saline water is between 0.5 and 1 percent; and soaking temperature is controlled to be between 30 and 42 DEG C. The method has the advantages that: the salinized bamboo shoots are unlikely to be polluted by bacteria, such as mold, saccharomycetes and the like in the pressing and fermenting process; the problems of extremely difficult quality control of conventional salt-free fermentation, easy rotting of the bamboo shoots, easy deterioration of color and luster, difficult softening of bamboo shoot texture and the like are solved, so product quality is enhanced; simultaneously, the shelf life of a finished product is prolonged; fermentation time is shortened from 3 to 6 months to 35 days; and production efficiency and product quality are improved.

The invention discloses a seed production method for reducing the rotting rate of broccoli, and belongs to the technical field of plant cultivation. The method includes the steps: seeding in a proper seeding period of seed production parents; seeding in a potted tray; spreading seeds; performing unified management after seedlings emerge; planting the seedlings on a land for growing field crops with the planting space of 45*40cm after each seedling grows to have four leaves and a center; and cutting off ball flowers and long main stems 15cm below the ball flowers together when the ball flowers of the broccoli grow to have the diameter ranging from 2cm to 3cm. During seeding in the potted tray, the potted tray is filled with matrixes, water is poured over the potted tray, holes are pressed, one seed is placed in each hole, the seeds are covered with the matrixes after seeding, and a small amount of water is poured. During spreading, a flat land with the area of about 10g / m<2> in a greenhouse is selected, special matrixes for raising seedlings are uniformly laid, the thickness of the special matrixes is about 3 centimeters, water is poured over the special matrixes, the seeds are uniformly spread, a layer of matrixes with the thickness of 0.3 centimeter is spread on the seeds again, and then a small amount of water is poured. By the method, the rotting rate of seed production plants of the broccoli can be greatly reduced, the seeds are fine, and the seed yield is improved by more than 50%.

The invention belongs to the technical field of floors and particularly relates to a wood-plastic floor. The wood-plastic floor is prepared from, by weight, 80-100 parts of PVC, 60-100 parts of wood materials, 20-40 parts of light calcium carbonate, 1-2 parts of a foaming agent, 4.5-5.5 parts of a stabilizer, 2.5-3.5 parts of a lubricant, 5-8 parts of chlorinated polyethylene, 0.5-2 parts of a plasticizer, 0.5-1.5 parts of a compatibilizer and 1-1.5 parts of an antioxidant, wherein the wood materials comprise rice husk meal and wood meal. The wood-plastic floor is safe, environmentally friendly, good in performance and not prone to deformation. According to the wood-plastic floor, waste materials are effectively utilized, so that resources are saved, and production cost is reduced.

The invention relates to a special wood-plastic decorative sheet for production buildings and a preparation method thereof, and belongs to the field of wood-plastic material manufacturing. The special wood-plastic decorative sheet for the production buildings comprises the following raw materials according to a weight ratio: 80-100kg of polyvinyl chloride, 35-50kg of wood powder, 35-50kg of light calcium carbonate, 2-6kg of composite stabilizer, 0.5-1.0kg of lubricant, 8-12kg of foam conditioning agent, 1.4-1.6kg of AC (Azodicarbonamide) foaming agent, 0.8-1.0kg of trisalt and 0.7-1.0kg of plasticizer. The preparation method of the special wood-plastic decorative sheet for production buildings comprises the following steps: preparing the raw materials; uniformly mixing the raw materials; cooling the mixed raw materials; adding the raw materials treated in the previous step to extrusion equipment, carrying out thermal forming by using a mold head, carrying out running water cooling molding by using a stock mold, and then carrying out extrusion mold; cutting a board obtained by extrusion molding, and leaving. The special wood-plastic decorative sheet has the effects of water resistance, moisture protection and mold prevention.

The invention discloses a basalt fiber-enhanced wood-plastic composite material which is prepared from the following components: PVC resin, polyvinyl chloride resin particles, basalt fibers, sulfo-dipropionic acid dilaurate ester, zinc naphthenate, zinc stearate, aminopropyl triethyl silane, wood fibers, a vermiculite power, pentaerythritol and a plasticizer. Under the synergetic cooperation action of the basalt fibers, the vermiculite power, the wood fibers and the plasticizer, the mechanical property of the basalt fiber-enhanced wood-plastic composite material is greatly improved.

The present invention discloses an alstroemeria root growth promoting method. The method comprises the following steps: (1) selecting a healthy and strong alstroemeria plant, and dividing the plant; and (2) burying a seedling obtained after plant division in the step (1) into sawdust substrates, and culturing the alstroemeria seedling in another manner after one month. According to the alstroemeria root growth promoting method provided by the present invention, the root is cultured by using the sawdust substrates, therefore, the problem that the alstroemeria is easy to rot after plant division is effectively solved, rotting phenomena are reduced, the survive rate of ramets is improved, and the proliferation coefficient of the alstroemeria is increased.

The invention discloses a fresh-keeping method of raspberries. The method comprises the following steps: selecting healthy raspberry fruits which are uniform in size, uniform in color, free from disease and pest and free from damage; conducting washing with flowing water, and conducting soaking washing with acidic electrolyzed water; carrying out compound film coating liquid treatment on the raspberry fruits after the soaking washing with the acidic electrolyzed water; conducting draining, and conducting spontaneous modified atmosphere packaging with 0.015mm thick polyethylene film bags; and conducting storing in a 4 DEG C cold storage. The raspberry fruits treated by the method can be stored for 25 days, and the method effectively inhibits the quality deterioration problem caused by the fruit decay during the storage and preservation process of picked raspberry fruits, and improves the storability of raspberry fruits.

The invention provides a waste tire rubber powder and agricultural straw filling type plastic-wood composite profile, and relates to the field of plastic-wood composite materials. The composition comprises the following components in parts by weight: 60-80 parts of agricultural straw; 20-40 parts of polyethylene glycol terephthalate; 20-40 parts of polyolefin plastic powder; 20-40 parts of waste tire rubber powder; 10-20 parts of gutta-percha; 10-30 parts of starch-coated calcium carbonate; 5-10 parts of polyethylene wax; 1-5 parts of maleic anhydride graft polymer; 0.1-2 parts of silane coupling agent; 1-10 parts of acicular wollastonite; 10-20 parts of reinforcing fibers; 1-5 parts of microencapsulated ammonium polyphosphate; 1-2 parts of rosin pentaerythritol ester; 0.1-1 part of tri (stearic acid) antimony heat stabilizer; and 0.1-1 part of AMB impact modifier. The plastic-wood composite profile has excellent mechanical properties and is flame-retardant and moisture-proof and alsoproves that the addition of the waste tire rubber powder and the eucommia ulmoides gum is greatly beneficial to the improvement of the mechanical properties of the plastic-wood composite profile.

The invention discloses a mixed pickled vegetable and a preparation method thereof. The mixed pickled vegetable is prepared from the following components in parts by weight: 20 to 22 parts of lettuce,20 to 22 parts of white turnip, 10 to 12 parts of red pimiento, 10 to 12 parts of carrot, 6 to 8 parts of pea, 8 to 10 parts of ripe canola oil, 3 to 4 parts of chili oil, 4 to 6 parts of mashed garlic, 2 to 3 parts of white sugar, 0.5 to 1 part of Baijiu and 4 to 6 parts of salt. The preparation method of the mixed pickled vegetable disclosed by the invention has the advantages that the crispness of diced lettuce, diced white turnip and diced carrot is realized by adopting a spin-dry and drying mode; the salt and the Baijiu (Baijiu with high alcohol content) are added for kneading, so that the problem that lettuce strips are easy to rot is solved; the temperature and drying time of a drying chamber are obtained by multiple tests, and the moisture loss of the lettuce strips does not affect the crispness and the storage time is long.

The invention discloses a method of inhibiting rot of blueberry fruits, which particularly includes steps of: selecting healthy blueberry fruits, which have uniform size and color and are free of diseases, pests and damage; washing the blueberry fruits in flowing water and soaking and washing the blueberry fruits in acidic electrolyzed water; processing the blueberry fruits with a composite film coating solution; draining the blueberry fruits, and packaging the blueberry fruits in polyethylene thin film bags, being 0.015 mm thick, in a modified atmosphere manner; and storing the blueberry fruits in a refrigerator at 4 DEG C. The blueberry fruits treated in the method can be stored for 25 days, so that problems of quality deterioration of the picked blueberry fruits due to rot of the fruitsduring storage and fresh-keeping process are solved, thereby prolonging the storage life of the blueberry fruits.

The invention discloses a one-time PVC (Polyvinyl Chloride) floor heating, pasting and embossing method for manufacturing a floor which is free of formaldehyde and in addition capable of preventing mold, dampness, fire and insects. The method specifically comprises the following steps: 1) preparing materials, wherein a PVC floor comprises the following raw materials in parts by weight: 145-155 parts of calcium carbonate, 45-55 parts of a PVC powder, 3-5 parts of an ACR (Acrylic Acid) resin, 3-5 parts of a stabilizer, 0.5-0.7 part of an external lubricant, 0.6-0.8 part of an internal lubricant,3-5 parts of an antishock aid and 2-4 parts of a processing aid; 2) mixing the materials; 3) carrying out extrusion; 4) cutting; 5) carrying out UV (Ultraviolet) tempering treatment on the surface ofa base material obtained in the step 4); 6) processing connecting parts. The one-time PVC floor heating, pasting and embossing method disclosed by the invention is particularly applicable to production of PVC floors.

The invention discloses a production method of a bamboo-wood fiber door plate, belongs to the technical field of door plate processing, and solves the problems that in the prior art, a door plate is prone to rot, expansion deformation and termite erosion after being affected with damp, the content of benzene-containing substances and formaldehyde exceeds the standard, the door plate is prone to cracking and deformation, and maintenance is difficult. The production method is characterized in that polyvinyl chloride resin, calcium carbonate and bamboo wood are adopted as raw materials and mixed;a door plate base material is formed after double-screw shearing, extrusion and water cooling forming through a shaping mold; a water-based adhesive is sprayed after the door plate base material is subjected to thickness fixing, engraving and door leaf grinding; the door plate base material is coated with a film or subjected to double fixation of UV glue; and the bamboo-wood fiber door plate is prepared. The bamboo-wood fiber door plate has the characteristics of being waterproof, dampproof, insect-proof, termite-proof, high in environmental protection property, free of pollution, recyclable,free of cracking, expansion and deformation and free of maintenance.

The invention relates to a seedling growing method of Chinese yams. The seedling growing method comprises the following specific steps of: selecting seeds; carrying out land preparation on a seedling bed; cutting the Chinese yams; sowing; culturing; and transplanting. The seedling growing method of the Chinese yams, provided by the invention, is used for reproducing Chinese yam seedlings to produce the Chinese yams, the unit sowing quantity can be reduced and the cost expenditure of unit sowing is reduced; meanwhile, the emergence rate of the Chinese yam seedlings is improved; after the Chinese yam seedlings grow, the Chinese yam seedlings are separated to plant, so that the problem that Chinese yam sections are easy to rot after being sowed can be effectively solved; meanwhile, the survival rate of Chinese yam planting is improved and the production efficiency of the Chinese yam planting is improved; under the action of a plurality of basic fertilizers, the Chinese yam sections can germinate early, the emergence rate is high and the seedlings are ordered and consistent.

The invention discloses a preparation method of an environment-friendly antibacterial plastic-wood composite board, which comprises the following steps: crushing PET waste by a crusher, and adding thecrushed PET waste and auxiliary materials into a mixer to obtain a premix; granulating the premix by an extruder, mixing the premix with other raw materials, performing extrusion granulation to obtain plastic-wood granules, putting the plastic-wood granules into the extruder, performing extrusion molding by a mold, and performing hot pressing and cold pressing. According to the preparation methodof the environment-friendly antibacterial plastic-wood composite board, harmless and resource utilization of waste plastic is achieved, shortage of wood resources is relieved, and meanwhile the prepared plastic-wood composite board is environmentally friendly and has excellent waterproofness, antibacterial property, mildew resistance and structural toughness; therefore, the problems that wood products are prone to decay, expand and deform after absorbing water and being affected with damp in humid and watery environments are fundamentally solved.

The invention discloses an ecological beehive, and relates to the technical field of beekeeping. The beehive is characterized in that the beehive comprises a box body and a box cover which covers thebox body, the box body comprises a base and four side plates fixed on the periphery of the base, and the side plates are made of wood-plastic plates; joining parts of the side plates are fixed throughconnecting members, and two vertically formed clamping grooves which cooperate with the side plates are formed in the connecting members. By means of the ecological beehive, the problem of short service life of existing wooden beehives is solved, wooden resources are saved, and the ecological beehive has an ecological protection effect.

The invention discloses sour and hot asparagus lettuce, and a preparation method thereof. The sour and hot asparagus lettuce is composed of the following ingredients in parts by weight: 60-80 parts ofasparagus lettuce, 12-15 parts of white vinegar, 3-4 parts of chili oil, 3-6 parts of mashed garlic, 2-4 parts of cooked rapeseed oil, 5-8 parts of dried chili pepper powder, 0.5-1 part of baijiu, 4-6 parts of salt, and a small amount of water. The sour and hot asparagus lettuce and the preparation method thereof have the following advantages: crispness of the asparagus lettuce strips is realizedby adopting spin-drying and drying; and salt and baijiu ( high-alcohol-content baijiu) are used during rolling so as to solve the problem of easy degradation of the asparagus lettuce strips; moreover, temperature of the drying chamber and drying time are obtained after several tests so as to ensure that crispness and good taste of the asparagus lettuce strips are not affected by water loss. In addition, the sour and hot asparagus lettuce is long in shelf life.

The invention discloses a transplantation method of a tree, which comprises the steps that garden soil is modified; the modified garden soil is sterilized; the excavated tree is trimmed; a cut root system of the tree is coated with rawhide slurry; branch and trunk notches are applied with a healer facilitating wound healing; the cut root system, exposed out of a root soil ball, of the tree is wrapped with plain soil for root healing cultivation; a growth compound fertilizer and an auxin solution are added to the sterilized garden soil, and mixed uniformly; after a root of the tree is healed, a transplantation hole is excavated in the garden soil; the plain soil on an outer layer of the root soil ball of the tree is removed and then transplanted into the transplantation hole; and then the tree is subjected to moisturizing, temperature reduction, shading and insect prevention. The garden soil is improved, and the root is subjected to the healing cultivation before the tree is transplanted, so that transplantation is performed in the total-nutrient garden soil after the root is healed completely, the putrescibility of the root due to direct transplantation of the tree is avoided, and a survival rate of the tree is increased.

The invention relates to a special seed dressing agent for diced yam for sowing and breeding. The seed dressing agent is composed of a rooting agent, a bactericide and plant ash, and the components are calculated by weight percentage: 1-15% of the rooting agent, 30-44% of the bactericide, and 55% of the plant ash. The rooting agent is mixed by vermiculite powder, 6-benzylaminoadenine and naphthaleneacetic acid, and its preparation method is: get 1.5 parts of 6-benzylaminoadenine and 0.5 part of naphthaleneacetic acid with 1 ml volume fraction of 95% After the alcohol is dissolved, add water to make the volume to 100 ml, then fully mix with 98 parts of dry vermiculite powder, and dry at 80°C to constant weight; the fungicide is chlorothalonil. Applying the seed dressing agent of the present invention to yam cutting propagation can not only solve the problem that the yam pieces are easy to rot after sowing, but also the rooting and germination of the yam pieces are carried out simultaneously, the emergence rate is high and uniform, and the prevention and treatment of stem rot and fusarium wilt The effect reaches more than 96%.

The invention discloses a white radish and Chinese leek fragrant pickled dish and a making method thereof. The white radish and Chinese leek fragrant pickled dish consists of the following parts in parts by weight of 40-50 parts of white radishes, 30-40 parts of Chinese leek, 10-12 parts of cooked sesame oil, 1-2 parts of bruised ginger, 3-6 parts of mashed garlic, 0.5-1 part of Baijiu and 3-6 parts of salt. According to the white radish and Chinese leek fragrant pickled dish disclosed by the invention, the brittleness of white radishes is realized in a spin-drying manner and a drying manner;the salt and the Baijiu (high-alcohol Baijiu) are added, and twisting and kneading are performed, so that the problem that the white radishes are easy to decompose is solved; after the Chinese leek istwisted and kneaded, through tests for many times under the condition of drying temperature and drying time, the temperature and the drying time of a drying chamber are obtained; the brittleness of the white radishes is not influenced due to running off of moisture of the white radishes; after the Chinese leek is twisted and kneaded, through the drying temperature and the drying time, the moisture of the twisted and kneaded Chinese leek is just a half or above; and therefore, the made fragrant pickled dish is good in brittleness and long in preservation time.

The invention provides an indoor breeding method for beetles such as chestnuts, belonging to the field of insect breeding. Including soil selection and sterilization, egg hatching, food processing, inoculation, feeding and mating and oviposition, strict control of feeding conditions, common carrots and sweet potatoes are used for feeding, which improves the survival rate of indoor feeding of the insect, and the larvae grow and develop quickly , the weight gain is obvious, the age is shortened, and the feeding state is relatively neat, which can provide a large number of live insect sources with consistent insect state for experimental research.

Provided is a seedling cultivating method combining rose grafting and cuttage. In autumn and winter, annual rosa multiflora, rose and rosa chinensis branches are taken as rootstocks, rose branches of the current year are selected, and grafting is conducted; the portions, 2-3 cm long, at the lower ends of the rootstocks are soaked in a 200 mg / L alcohol solution of 50% IBA+NAA for 2 hours and buried in a mixture of sand and saw dust in the ratio of 1:1 by 45 degrees after being taken out, the relative humidity is kept to be 50-60%, a film covers the rootstocks for heat preservation for about 20 days, and soil is kept moist; relative humidity of air in a film greenhouse should be kept over 85%, air temperature is controlled to be 15-28 DEG C, the plastic film of the arch greenhouse is removed 20 days after insertion along with gradual raising of the air temperature, the film is replaced with a sunshade net to cover the greenhouse, 0.2% urea or monopotassium phosphate liquid is sprayed every 10 days to promote growth of scion root systems and fresh treetops, a 5000-fold carbendazim or 1000-fold chlorothalonil aqueous solution is sprayed every 15 days, seedlings cultivated through rose grafting and bud cuttage can grow to the height of 50-80 cm in autumn in the current year, and transplanting and field planting can be conducted according to requirements in winter after leaves fall.

The invention relates to a yam seedling cultivation method which specifically comprises the following steps: selecting yam tubers; disinfecting a cutter; cutting the tubers: longitudinally cutting the tubers in a cross shape for twice and transversely cutting into yam sections which are 5-7 cm in length, wherein the average weight of the yam sections is 15-20g; processing the yam sections by using a seed-dressing agent for yam slice sowing propagation; preparing the seedbed; sowing; transplanting after the buds on the yam sections come out from the soil surface by about 3-4 cm. By adoption of the yam seedling cultivation method to breed yam seedlings and produce yam, the unit sowing quantity can be decreased and the cost of the unit sowing can be reduced; at the same time, the special seed-dressing agent is used for processing the yam sections, so that the problem that the yam sections are easy to decay can be effectively solved, the yam sections are early to bud, high in emergence rate, and ordered and consistent in seedling shape, and the rotten rate is reduced to be lower than 0.6%.

The invention belongs to the technical field of fruit and vegetable preservation, and puts forward fruit and vegetable preservative paper and a manufacture method thereof. The fruit and vegetable preservative paper comprises the following ingredients in parts by weight: 15-30 parts of green tea extracts, 5-10 parts of dandelion extracts, 10-20 parts of tomatin, 3-8 parts of herba houttuyniae, 1-5parts of herba portulacae, 0.01-0.1 part of sodium diacetate, 3-10 parts of tripolyglycerol monostearate, 2-5 parts of lecithin, 3-8 parts of oleic acid, 1-5 parts of yeast extracts, 0.5-3 parts of sodium tripolyphosphate and 5-20 parts of modified corn starch, wherein the modified corn starch consists of the following ingredients in parts by weight: 10-20 parts of corn starch, 2-5 parts of poloxamer, 1-5 parts of polyethylene glycol, 3-8 parts of chitosan, 1-5 parts of carboxymethyl cellulose and 0.1-1 part of glutaraldehyde. Through the above technical scheme, the problems in the prior art that fruits and vegetables are likely to decay and damage and have a bad taste after the fruits and vegetables are stored since preservative paper has a poor preservation effect on fruits and vegetables can be solved.

The invention provides a fermenting method for selenium-enriched holboellia latifolia wine. The method comprises the following steps: by taking holboellia latifolia and selenium-enriched rice as raw materials, adding sulfur into holboellia latifolia slurry to sterilize; soaking, cooking and paving the selenium-enriched rice to be cooled; mixing the rice with pulp and pericarps and fermenting the mixture with saccharomyces cerevisiae together; absorbing and converting organic selenium in the selenium-enriched rice through yeast, and then hydrolyzing the yeast with a wall dilapidating enzyme anda protein hydrolase to obtain selenoprotein acid and selenium cystine; and finally, squeezing the mixture to obtain the selenium-enriched holboellia latifolia wine by a plate-and-frame filter press.The method retains nutrients of original holboellia latifolia and utilizes nutritional components in the holboellia latifolia pericarps. The elenoprotein acid and selenium cystine released by se-enriched yeast treated by the wall dilapidating enzyme and the protein hydrolase are easily absorbed by human bodies and are non-toxic, so that the nutritional value of the product is increased greatly.