347 results about "Leafy vegetables" patented technology

The invention discloses a water culturing nutrient solution, comprising basic nutrient elements, gamma-glutamic acid, rare-earth elements and water. The invention further discloses a preparation method and application of the water culturing nutrient solution. The gamma-glutamic acid and the rare-earth elements in a formula of the water culturing nutrient solution disclosed by the invention have synergetic effect, can accelerate plant roots to absorb the nutrient elements, improve, prevent and treat nutrient deficiency symptoms of plants, and improve the quality of plants. The water culturing nutrient solution disclosed by the invention is pollution-free and does not pollute the environment after being applied. The water culturing nutrient solution disclosed by the invention is not only suitable for soilless culture of foliage flowers, such as Dief fenbachia, lucky bamboos and chlorophytum comosum, and is also suitable for leafy vegetables and melons and fruits, such as lettuces, greenvegetables, strawberries and muskmelon.

The invention discloses a fluorescence hyperspectral technology-based pesticide residue detection device and method, and relates to the technical field of agricultural product detection. The fluorescence hyperspectral technology-based pesticide residue detection device mainly comprises an excitation light source module, an image acquisition module, a PC, an object stage and the like; during detection, a database is established in advance, related information of different vegetables, different pesticides and different pesticide concentrations is acquired and input into the database, and the PC is used for processing fluorescence hyperspectral image data of a detected object, calling a model in the database for matching calculation, and finally outputting a detection result. Compared with a conventional detecting instrument, the device has the characteristics that the database for storing related information is provided and excitation light source bands are adjustable, can be used for on-site real-time detection of types and residue concentration of common organophosphorus pesticides on the surfaces of leafy vegetables, and is high in detection accuracy, high in data processing speed and non-destructive and environmentally-friendly.

The invention relates to a nutrient solution for soilless cultivating leafy vegetables and a preparation method thereof. Molar ratio of nutrient elements in the nutrient solution is: NO3<->: NH4<+>: H2PO4<->: K<+>: Ca<2+>: Mg<2+>: Fe<2+>: Cu<2+>: Zn<2+>: Mn<2+>: B<3+>: Mo<6+>, which is equal to (4 to 6): (3 to 6): (2 to 4): (5 to 8): (4 to 6): (2 to 3): 0.02: 0.0003: 0.001: 0.009: 0.05: 0.0004; the nitrogen is supplied in two forms: NO<3> and NH<4> with a proportion kept between (1 to 3): 1. The nutrient solution has flexible formulation, easy preparation and full nutrition, which can significantly improve nutrient quality of the leafy vegetables and reduce negative influence to environment and human health. The invention can meet the needs of soilless cultivation of the leafy vegetables of different kinds, which is convenient for industrial popularization.

The invention provides a universal nutrient solution for soilless culture leafy vegetables and belongs to the technical field of soilless culture. A formula is as follows: 1 ton of water contains 600-700g of potassium nitrate, 400-500g of magnesium sulfate, 150-200g of ammonium dihydrogen phosphate, 800-900g of calcium nitrate, 20-60g of chelated iron, 2-3g of borax, 1.5-2.0g of manganese sulfate, 0.3-0.5g of zinc sulfate, 0.1-0.2g of copper sulfate and 0.01-0.05g of ammonium molybdate. Aiming at the special leafy vegetable nutrient solution for the current soilless culture, the nutrient solution provided by the invention has the characteristics of wide application, good culture effect and high yield, and the problem of mixed soilless culture of multiple varieties of leafy vegetables is solved. The nutrient solution provided by the invention is suitable for soilless culture of multiple varieties of leafy vegetables; and by using the nutrient solution, the yield is improved by more than 10%, and the effective management of a regional multiple-variety leafy vegetable mixing culture system in an agricultural sightseeing garden is achieved.

The present invention provides a formulation which may be utilized in agricultural practice that is eco-friendly and effective as plant growth promotion agent, soil improvement agent, bactericide and insecticide agent, disease and harmful insect prevention agent, and is suitable for organic farming. The formulation of the present invention is comprised of a Morinda citrifolia product or extract. The formulation of the present invention may be applied to fruit vegetables, leafy vegetables, root vegetables, grains as well as flowers and shrubs, increasing the amount of yield and extending freshness period after harvest. Further, the present invention relates to antifungal and antibacterial activity of processed Morinda citrifolia products, as well as from various fractions of extracts from these processed products and the Morinda citrifolia L. plant, and related methods to determine mean inhibitory concentrations. In particular, the present invention relates to ethanol, methanol and ethyl acetate extracts from Morinda citrifolia L. and their inhibitory activities on common fungi and bacteria and the identification of mean inhibitory concentrations.

Improved compositions and methods are disclosed for improving food safety. More specifically, one or more lactic acid producing microorganisms are used for inhibiting pathogenic growth on plant materials before, during and/or after harvest. The disclosed methodology is particularly effective for leafy vegetables, such as spinach.

The invention provides a planting method of selenium-rich leafy vegetables. The selenium-rich leafy vegetables are planted according to the planting method of normal leafy vegetables. The planting method further comprises the following steps: taking an organic selenium-rich composite liquid, mixing the organic selenium-rich composite liquid with clean water in the mass volume ratio of 1: 50 so as to obtain an organic selenium-rich composite solution, spraying the organic selenium-rich composite solution once at the early stage of the growth of the leafy vegetable, and spraying the organic selenium-rich composite solution once 10-15 days before harvesting the leafy vegetables, wherein the content of organic selenium in each liter of the organic selenium-rich composite liquid is 200-240 mg. After the diluted organic selenium-rich composite liquid is sprayed, the yield of each mu of leafy vegetables can be increased by about 15%, and the content of selenium in each kilo of selenium-rich leafy vegetables is 145-155 micrograms and is increased by more than 10 times compared with common leafy vegetables.

Methods and apparatus for the sanitation and surface disinfection of edible produce such as lettuce, spinach and other leafy vegetables and fruits and vegetables such as apples, plums, pears, tomatoes having a protective skin. A centrifuge for receiving washed produce may be selectively spun to remove excess washing fluid, irradiated with UV-C energy and/or exposed to an ozone field while within the centrifuge. Air may be used for evaporative drying of the washed produce.

The invention relates to a well-ordered leafy vegetable harvester and belongs to the technical field of agricultural machinery. According to the well-ordered leafy vegetable harvester, the downwards inclined front end of a frame is provided with grain lifters and a cutter, driven transmission rollers distributed at intervals are mounted above the cutter and distributed in pairs on both sides of the rear ends of the parallel grain lifters, and the upper end of every driven transmission roller is fixedly provided with a flexible vegetable stirring disc; a group of lower driving transmission rollers and upper driving transmission rollers, which in pairs correspond to the driven transmission rollers in pairs, are supported in the middle of the frame; pairs of conveying belts are wound betweenevery pair of driven transmission rollers and the corresponding lower driving transmission roller and the corresponding upper driving transmission in pair; the pairs of conveying belts are gradually elevated and changed into an up-down clamping mode from an original left-right adjacent clamping mode; a horizontal conveying belt is mounted under the lower driving transmission rollers, and under theoutput end of the horizontal conveying belt, a collecting box is arranged. The well-ordered leafy vegetable harvester properly solves the problems of orderly conveying leafy vegetables and avoiding blocking and vegetable damage; meanwhile, posture change of a clamped conveying mode and sliding groove inserted separating plates skillfully solve the problem that the leafy vegetables are prone to scattering when being collected, so that the well-ordered leafy vegetable harvester is extensive in adaptability.

The invention discloses a production method of a fermented leafy vegetable instant food. The production method is characterized by comprising the following steps: raw material selection, raw material processing, air-drying, flavored pickling seasoning preparation, pickling, vegetable base arrangement, cutting, packaging and sterilization. According to the production method, the produced fermented leafy vegetable instant food reserves the specific taste and nutritional ingredients of leafy vegetables and is additionally provided with special flavored substances, so that the quality of the instant food is improved, the color, aroma and taste of the leafy vegetables are improved, the instant food is mellow and fresh in taste and crisp and tender in texture, and the flavor and grade of the instant food are improved. The production method has the advantages that the production cost is low, the process of the processing method is simple, and the food is ready to eat after being unpacked and has good market prospect.

The invention relates to the technical field of plant culture, in particular to a leafy vegetable water culture nutrient solution and a preparation method and application thereof. The water culture nutrient solution is prepared from 220 to 250mg/L of calcium nitrate, 680 to 720mg/L of potassium nitrate, 180 to 200mg/L of ammonium dihydrogen phosphate, 240 to 260mg/L of magnesium sulfate, 2.0 to 3.0mg/L of boric acid, 1.8 to 2.2mg/L of manganese sulfate, 0.20 to 0.24mg/L of zinc sulfate, 0.03 to 0.07mg/L of copper sulfate, and 0.01 to 0.03mg/L of sodium molybdate. A formula of the water culture nutrient solution is mainly suitable for planting leafy vegetables under a water culture condition, the mouthfeel of leafy vegetables can be improved effectively, and the yield and quality of the leafy vegetables can be increased and improved.

The invention relates to the field of testing equipment, and discloses an automatic feeding device for nondestructive testing of leafy vegetables. The automatic feeding device for nondestructive testing of the leafy vegetables comprises a rotation transportation unit, a suction unit, a material storage unit, a power output unit and a motor control unit. The rotation transportation unit comprises a roller, the circumference of the roller is provided with multiple sets of suction holes, and a sealing unit used for blocking one set of the suction holes in the roller is fixedly arranged in the roller; the suction unit comprises a suction pump which is used for sucking air in the roller to form negative pressure on the inner side of the roller; the material storage unit comprises a material tank used for containing the leafy vegetables, the material tank is located below the roller, and when the automatic feeding device works, the leafy vegetables in the material tank are adsorbed on the outer wall of the roller under the negative pressure action of the roller; the power output unit is used for driving the roller to rotate and conveying the leafy vegetables to the corresponding position blocked by the sealing unit to fall; the motor control unit is used for controlling the rotation speed of the roller. According to the automatic feeding device for nondestructive testing of the leafy vegetables, continuous, even and automatic feeding can be achieved, and necessary conditions are supplied to optical nondestructive testing of the leafy vegetable quality.

The invention belongs to the technical field of food and provides a fresh-keeping technology of cleaning, crispy-keeping, alkaline solution and microwave enzyme inactivation, and vacuum packing of leafy vegetables. The technology has the characteristics that the microwave technology is adopted; the enzyme inactivation effect is good; the inactivation rate of peroxydase can reach 96.8%; the physical appearances of vegetables are better preserved; and the loss of nutrient substances like vitamin c is less. The technology has the advantages that the detect is overcome that when the leafy vegetables are blanched by conventional hot water for a short time, the enzyme inhibition rate is low; the defect is overcome that when the leafy vegetables are blanched by hot water for a long time, the vegetables soften and turn yellow, and the loss of the nutrient elements of vegetables is great; and the alkaline solution and microwave blanching is adopted, so that the thorough inactivation of chlorophyllase is realized, green preserving process can be simplified, and the problem that heavy mental is left over in green preserving liquid is solved.

The present invention discloses a composite synergist containing polyglutamic acid and potassium fulvic acid. The composite synergist comprises the polyglutamic acid and the potassium fulvic acid, wherein the weight ratio of the polyglutamic acid to the potassium fulvic acid is 1:(0.001-0.5). The invention also discloses an application of the above composite synergist containing the polyglutamic acid and the potassium fulvic acid. The synergistic fertilizer prepared by using the composite fertilizer synergist provided by the invention effectively promotes the growth and development of crops, increases the yields of food crops, leafy vegetables and melon and fruit economic crops, and significantly improves the utilization rate of the fertilizer.

The invention discloses a tea residue wormcast substrate suitable for leafy vegetable seedling and a manufacturing method thereof. The substrate comprises, by volume, 20-40% of tea residue wormcast, 10-30% of perlite, 10-30% of vermiculite and 20-40% of peat. The tea residue wormcast is wormcast generated in the mode that earthworms digest tea residues and cow dung serving as an earthworm cultivation substrate. A traditional single mode that the earthworms are cultured through pure cow dung is broken through, earthworm composting reasonably combining the cow dung and the tea residues is achieved, the nutrition content of the wormcast is improved, and the role of the peat in a traditional soilless culture technology is weakened to a large extent when the wormcast serves as a leafy vegetable seedling substrate. The compound method of the leafy vegetable seedling substrate is optimized, quality of leafy vegetable seedling is improved, economic benefits are improved, and a way for recycling the tea residues is developed at the same time. A new method for breeding the earthworms through the tea residues is developed, and ways for earthworm culture and wormcast production are increased.

The invention relates to a multiple cropping regeneration cultivation method for vegetables by utilizing all organic substrates and belongs to the technical field of agricultural production, and the multiple cropping regeneration cultivation method for the vegetables by utilizing the all organic substrates utilizes leafy vegetables such as lettuce, pakchoi and rape as main types. The multiple cropping regeneration cultivation method for the vegetables by utilizing the all organic substrates comprises the steps of mixing and fermenting enoki mushroom residues, common cultivatea mushroom residues, coconut residuum and grass carbon according to a specific proportion to prepare the substrates; filling the cultivation pot with the substrates; seeding or transplanting leafy vegetable crops and irrigating until the water permeates all the substrates; cleaning roots after harvest and recycling the substrates; subjecting the recycled substrates totop dressing, then refilling the cultivation port with the recycled substrates, and changing the crop species to continue cultivating; or placing the recycled substrates into soil. The cultivation pot can be placed in a greenhouse facility with polluted soil and on non-cultivated land such as deserts, gobi deserts, inner type courtyards and household balconies; the land is saved, the soil can be lay fallow and has a self-repair capability; and the cultivation substrates can be recycled so that resources are not wasted.

An apparatus for cutting and removing the cores of produce such as fruit or leafy vegetables, particularly cabbage or lettuce, prior to the processing of the vegetable. The apparatus has a coring tube, a shaft, and a chisel, where the coring tube is attached to the distal end of the shaft, and the proximal end of the shaft is inserted into the pneumatic chisel. The coring tube has a cylindrical coring blade at its distal end, which is inserted into the fruit or vegetable to be cored using a rapid linear and/or rotational oscillation motion provided by an electric or pneumatic driver. Cut portions of the fruit or vegetable can be removed from the proximal end of the coring tube.

The invention discloses a fertilizing method for reducing the cadmium content of leafy vegetables in an overproof cadmium vegetable plot, which comprises the following steps: (1) taking a carbonized rice husk as a base fertilizer, applying before the leafy vegetables are sowed and uniformly raking with soil or embedding the carbonized rice husk into a planting trench before the leafy vegetables are transplanted; and (2) taking an inorganic fertilizer as an additional fertilizer, and spray-applying the inorganic fertilizer rich in nitrogen, phosphorus and potassium taken as the additional fertilizer after the final singling or the survival of the leafy vegetables. In the step (1), 250-750 kg of carbonized rice husk is applied for each mu. In the step (2), the inorganic fertilizer is uniformly divided into 3 or 4 parts and is dissolved into water to be spray-applied, the inorganic fertilizer is sprayed for the first time after the final singling or the survival of the leafy vegetables, is sprayed once every 5-10 days and is totally sprayed for three or four times, and the inorganic fertilizer provides N5-15 kg, P2O51.6-4.0 kg and K2O55.0-15.0 kg for each mu. The fertilizing method has the benefit that as the carbonized rice husk and the inorganic fertilizer are applied together, the safe quality of the leafy vegetables is improved, and the content of Cd in the leafy vegetables is reduced.

The invention relates to a multi-variety-adaptive leafy vegetable harvester and a harvesting method. The harvester comprises a rack, a plant lifting device, a root soil shoveling and cutting device, aclamping and conveying device, a traveling device and a transmission device, the rack is used for supporting and fixing other devices, the plant lifting device is used for forming columnar gas, lifting plants of green leafy vegetables in a harvesting area and bundling and leading the green leafy vegetables in rows to a cutting area, the root soil shoveling and cutting device is used for shovelingand cutting root systems of the green leafy vegetables, the clamping and conveying device is used for clamping the green leafy vegetables and conveying the same into a vegetable basket, the travelingdevice is used for traveling of the harvester on the ground and adjusting an angle between the harvester and the ground, and the transmission device is used for driving the clamping and conveying device. The harvester realizes mechanical operations like plant lifting, shearing, clamping and conveying of the green leafy vegetables and can harvest the green leafy vegetables different in variety andsize, breakage rate of the green leafy vegetables during harvesting is lowered greatly, and labor productivity is improved.

The invention relates to vegetable harvesting machinery, in particular to a mechanically harvesting device of three-leafy vegetables. The device comprises a motor, a rack, a gear box, a fan, an air pipe, cutters, a truck and a collecting box and is characterized by adopting a motor power source to harvest and collect the three-leafy vegetables in a greenhouse and adopting an eccentric roller type crane block transmission mechanism and a simple height-adjustable shaft sleeve to harvest, thereby being suitable for the higher and higher growth characteristic of a multi-season crop such as the three-leafy vegetables, and moreover, the collecting device is integrated into a whole, thereby the operations of harvesting and collecting can be completed by a single operator. The device has the advantages of high working efficiency, compact mechanism, good machine flexibility and no pollution, is convenient to operate, and can be used for improving the quality of re-grown three-leafy vegetables.

The invention discloses a flavored leafy vegetable foodstuff pickled with grains and a preparation method thereof, in particular relates to the field of processing of pickled foods. The preparation method is characterized in that the proper unique mouthfeel and nutritional ingredient of leafy vegetable can be preserved furthest by virtue of utilizing young leafs or young stems which are pickled by a flavored salting solution, and meanwhile, the finished products are fresh delicious and have good flavor, and thus people can enjoy beneficial leafy vegetables and is free from the restrictions of seasons and areas, so that the requirement that people in different seasons and different areas eat the leafy vegetable foodstuff is met in market circulation link, and a new product is added for pickled dishes. The flavored leafy vegetable foodstuff pickled with grains is prepared through the following steps: raw material selecting, raw material handling, deactivating enzymes, protecting color, preparing the flavor salting solution, pickling, packing and sterilizing and the like, the preparation method is simple and economical, and the flavored leafy vegetable foodstuff pickled with grains is suitable for mass consumption, and has very good market prospect.

The invention relates to the technical field of plant lighting, in particular to an illumination method for regulating the reproductive development of plants. Seeds are subjected to germination acceleration, germinated vegetable seedlings are continuously illuminated by first LED plant lamps, and the PPFD on the leaves of the vegetable seedlings, the illumination quantity, the temperature, the relative humidity and the CO2 concentration are controlled; the seedlings with excellent growth vigor are planted in a field and intermittently illuminated by second LED plant lamps, and the duty cycle of intermittent light and an illumination duration within a gap illumination cycle, the PPFD on the vegetable leaves, the illumination quantity, the temperature, the relative humidity and the CO2 concentration are controlled. According to the method, by regulating different light environment parameters and illumination modes in the seedling raising period and the cultivation period in the leafy vegetable breeding process, the conversion of vegetables from vegetative growth to reproductive growth is effectively promoted, the flowering time is shortened by one fifth or above, and the seed collection cycle is greatly shortened.