143 results about "White cabbage" patented technology

The invention relates to the technical field of purification, in particular to Chinese cabbage moss allergy-free factor purification equipment which comprises an outer box, one side of the outer box is communicated with a feeding pipe, a self-cleaning filtering assembly capable of automatically scraping impurities attached to different side faces is arranged in the outer box, and the self-cleaning filtering assembly comprises a filtering cylinder rotationally connected with the side wall of the outer box; one side of the filter cartridge is communicated with a transverse pipe, the transverse pipe extends to the outside of the outer box, the feeding pipe penetrates through the transverse pipe, a scraping assembly is arranged in the filter cartridge, the scraping assembly is dragged to rise when the filter cartridge rotates and then slides down to conduct scraping, a driving assembly used for driving the transverse pipe and the filter cartridge to rotate is arranged on the outer box, and the scraping assembly comprises an arc-shaped plate in sliding connection with the inner wall of the filter cartridge; and a plurality of sliding plates are fixedly connected between the two arc-shaped plates. The technical problems that particles in Chinese cabbage moss juice of existing purification equipment are prone to blocking a filter screen, the amount of blocked Chinese cabbage moss particles is large, the cleaning difficulty is increased, and the process of cleaning the filter screen is time-consuming and labor-consuming are solved.

The utility model provides a novel Chinese cabbage digging trolley. The novel Chinese cabbage digging trolley comprises a frame, a driving unit, a transmission mechanism, a digging mechanism and a collecting device. The frame is made of aluminum profiles and steel materials, and the front end of the frame is provided with an open groove for containing the excavating mechanism. The digging mechanism forms a double-crank structure through cooperation of a first rotary disc, a second rotary disc and a tool rest so as to achieve rotation and telescopic movement of a tool bit, and digging and conveying of Chinese cabbages are completed. And stepless adjustment of the digging depth can be realized. The collecting device is of a double-layer net structure, and efficient buffering and collecting of Chinese cabbages are guaranteed. The digging efficiency can be remarkably improved, the labor intensity is reduced, the method adapts to complex terrains, the requirements of small farmers are met, and the wide application prospect is achieved.

The invention discloses a composite stable moringa oleifera polysaccharide cadmium-resistant preparation as well as a preparation method and application thereof, and relates to the technical field of cadmium-resistant preparations. The cadmium blocking preparation is composed of moringa oleifera polysaccharide, a compound stabilizer and a phosphate buffer solution, the compound stabilizer is composed of sodium alginate and nano silicon dioxide according to the mass ratio of 1: (1.0-1.5), and the pH value of the preparation is 6.0-7.0. The moringa oleifera polysaccharide is applied to cadmium prevention and control of Chinese cabbages in alkaline cadmium-polluted soil (pH 6.5-7.5), and accurate regulation and control are achieved in a rhizosphere irrigation mode. The sodium alginate-nano silicon dioxide composite stabilizer system synergistically exerts the dual functions of dispersion stability and slow release protection, and ensures that the moringa oleifera polysaccharide keeps activity in the soil environment. The preparation has the advantages of being small in dosage, low in cost, easy and convenient to operate, environmentally friendly and the like, a scientific and feasible technical scheme is provided for safe utilization of cadmium-polluted farmland in the alkaline soil area, and the preparation has important application value and popularization prospects.

The invention provides a digital breeding-oriented Chinese cabbage leaf cell automatic segmentation and phenotype measurement system and method, and relates to the technical field of plant phenotype analysis. According to the system, joint coding of cell contours and tissue semantics is achieved through a feature extraction sub-network, scale alignment, global feature convergence and feature re-calibration, and pixel-level cell instance masks and tissue categories are output at the same time through mask decoding and category decoding. In combination with multi-tissue phenotypic parameter classification, in-tissue phenotypic index summarization and structured output, cell-level and tissue-level automatic quantitative analysis of upper epidermis, lower epidermis, fence tissues, sponge tissues, vascular bundles and the like is realized, and the efficiency and precision of multi-tissue cell screening and phenotypic statistics are remarkably improved. The method solves the problems that in the prior art, high-precision automatic segmentation and systematic phenotypic measurement for multi-tissue cells of the cross section of the Chinese cabbage leaf are insufficient, and digital breeding decision making is difficult to directly serve.

The utility model relates to the field of edible vegetables, in particular to a storage device for Chinese cabbages. Comprising a supporting bottom plate, a storage assembly is fixedly installed on the top of the supporting bottom plate, an effect improving assembly is fixedly installed on the front side of the storage assembly, a first fixing assembly is fixedly installed on the outer surface of the effect improving assembly, and a first positioning assembly is fixedly installed on the front side of the storage assembly; a convenient taking assembly is slidably mounted in the storage assembly, second positioning assemblies are fixedly mounted on one side of the convenient taking assembly and the other side of the convenient taking assembly, and a second fixing assembly is fixedly mounted on the rear side of the storage assembly; the technical problems that the storage effect is poor and Chinese cabbages are inconvenient to take out at one time are solved.

The invention relates to the field of pickled Chinese cabbage fermentation, and discloses a pickled Chinese cabbage synergistic anti-browning and color-protecting fermentation method which comprises the following steps: firstly, pretreating Chinese cabbages, then performing ultrasonic-assisted cleaning, putting the cleaned Chinese cabbages into blanching liquid for blanching treatment, fishing out the blanched Chinese cabbages, and quickly cooling the blanched Chinese cabbages; soaking the cooled Chinese cabbages in a color protection solution, draining off the Chinese cabbages, inoculating the drained Chinese cabbages with a complex microbial inoculant, and carrying out sealed fermentation, so as to obtain the pickled Chinese cabbages, and performing post-treatment on the pickled Chinese cabbages to obtain the pickled Chinese cabbage product. The raw materials are blanched to passivate enzyme activity, the composite color protection liquid is added, fermentation microbial flora is optimized, and other synergistic means are adopted, so that enzymatic browning and non-enzymatic browning reactions can be effectively inhibited, and the pickled Chinese cabbages are kept bright in color and luster in the fermentation and subsequent storage processes.

The invention discloses a moringa oleifera peptide-based cadmium blocking agent and application thereof. The preparation is composed of moringa oleifera peptide (the mass volume concentration is 30-120 mg / L), a compound stabilizer (the mass volume concentration is 20-60 mg / L) and a phosphate buffer solution, the compound stabilizer is composed of sodium alginate and nano silicon dioxide according to the mass ratio of 1: (1.0-1.5), and the pH value of the preparation is 6.0-7.0. The moringa oleifera peptide is innovatively applied to cadmium prevention and control of Chinese cabbages in northern alkaline cadmium-polluted soil (pH is 6.5-7.5), accurate regulation and control are achieved in a rhizosphere irrigation mode, a sodium alginate-nano silicon dioxide composite stabilizer system synergistically plays the dual functions of dispersion stability and slow release protection, and it is ensured that the moringa oleifera peptide keeps activity in the soil environment. The preparation has the advantages of being small in dosage, low in cost, easy and convenient to operate, environmentally friendly and the like, a scientific and feasible technical scheme is provided for safe utilization of cadmium-polluted farmlands in northern alkaline soil areas, and the preparation has important application value and popularization prospects.

The utility model relates to the technical field of drip irrigation of Chinese cabbages, in particular to a drip irrigation fertilization device for Chinese cabbages. The drip irrigation fertilization device for the Chinese cabbages comprises two water pipes, a fixing assembly, a telescopic assembly, a connecting pipe and an adjusting assembly, the top ends of the water pipes are fixedly connected with connecting pipes, and the two ends of the water pipes are symmetrically and fixedly connected with connecting blocks; and a plurality of connecting pipes are fixedly connected to the bottom ends of the water pipes at equal intervals, mounting pipes are in threaded connection with the outer portions of the ends, away from the water pipes, of the connecting pipes, adjusting assemblies are installed outside the mounting pipes, and rotating pipes are rotationally connected to the interiors of the mounting pipes. According to the drip irrigation and fertilization device for the Chinese cabbages, the problems that the Chinese cabbages are distributed irregularly due to manual sowing, and the growth difference between Chinese cabbage individuals is too large can be solved, the device can be flexibly adjusted according to the distance of each row of Chinese cabbage seeds, and then the planting efficiency is improved.

The invention discloses a DMP-based non-heading Chinese cabbage haploid creation method and application. According to the invention, gene editing is carried out on brassica rapa BrDMP, so that protein is lost or activity of brassica rapa BrDMP is reduced, and an obtained mutant plant is a non-heading Chinese cabbage haploid induction line; and carrying out selfing on the non-heading Chinese cabbage haploid induction line or the offspring of the non-heading Chinese cabbage haploid induction line, wherein the obtained selfing offspring is the non-heading Chinese cabbage haploid. The obtained haploid induction line of the non-heading Chinese cabbage can induce generation of haploid of the non-heading Chinese cabbage, and an effective way is provided for haploid breeding and double haploid creation of the non-heading Chinese cabbage.

The application discloses a coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer and a preparation method thereof, and relates to the technical field of organic fertilizer. The coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer comprises the following raw materials in parts by weight: coffee husk polysaccharide extract 20-25 parts, rubber latex serum 15-20 parts, water-soluble nano sulfur powder 3-6 parts, nano attapulgite colloidal 4-7 parts, potassium humate 2-5 parts, microcapsule fungicide 4-6 parts, amino acid chelated nutrient solution 18-22 parts, functional additive 3-5 parts and deionized water 30-40 parts. The coffee husk polysaccharide-rubber latex serum composite bio-organic water-soluble fertilizer prepared by the application has good heavy metal synergistic passivation capacity and low water-insoluble content, and has a significant yield-increasing effect on Chinese cabbage.

The invention discloses a Chinese cabbage clubroot-resistant gene BrRLP31 and application of the Chinese cabbage clubroot-resistant gene BrRLP31. The nucleotide sequence of the Chinese cabbage clubroot-resistant gene BrRLP31 is as shown in SEQ ID No. 1. Functional verification results show that after the expression of the endogenous BrRLP31 of the Chinese cabbage is inhibited by utilizing a VIGS technology, the resistance of the plant to clubroot is obviously reduced, and the disease index and the root swelling severity of the plant are obviously higher than those of a control material. On the other hand, the transgenic flowering cabbage plant over-expressed by the BrRLP31 is constructed by an agrobacterium-mediated method, and disease resistance identification proves that the heterologous over-expression of the BrRLP31 obviously improves the resistance of the plant to plasmodiophora brassicae. The results show that the BrRLP31 gene plays a key positive regulation role in the clubroot resistance process of the Chinese cabbage, the disease resistance of cruciferae crops and other horticultural plants is improved by utilizing the gene and the homologous sequence thereof, and the gene and the homologous sequence thereof have important application value.

The invention belongs to the technical field of Chinese cabbage seedling raising or Chinese cabbage cultivation, and particularly relates to a method for achieving the high seedling emergence survival rate of low-temperature vernalization Chinese cabbage seeds. According to the method, the seeds with overlong buds after low-temperature vernalization are subjected to three-dimensional vertical cultivation, the emergence rate and the survival rate of the Chinese cabbage seeds can be remarkably increased, the emergence survival rate is 90%-99%, and the emergence survival rate is increased by nearly 70% compared with the emergence survival rate of 29.37% in a conventional direct seeding mode.

The invention discloses an experimental platform for removing old leaves of Chinese cabbages. The experimental platform comprises a rack; the two driving transmission assemblies are correspondingly mounted behind the upper part of the rack; the two spiral rolling brush conveying assemblies are correspondingly installed in front of the upper portion of the rack, and the two spiral rolling brush conveying assemblies are in transmission connection with the two driving conveying assemblies correspondingly; the belt conveying assembly is installed in the middle of the upper portion of the rack and located between the two spiral rolling brush conveying assemblies. The hydraulic control speed regulating valve block is mounted on the right side of the upper part of the rack, is connected with the two spiral rolling brush transmission assemblies and the belt transmission assembly, and is used for controlling the working states of the two driving transmission assemblies and the belt transmission assembly; the spiral rolling brush conveying assembly is used for rotating Chinese cabbages to throw away old leaves, the belt conveying assembly is used for conveying the Chinese cabbages, the hydraulic control speed regulating valve block is used for adjusting the working rotating speed of all components, the rotating speed sensor monitors rotating speed parameters in real time, the old leaves of the Chinese cabbages can be efficiently removed, stable conveying is achieved, and technical data support is provided for optimizing the Chinese cabbage harvester. And the popularization value is high.

This utility model discloses a pre-treatment device for kimchi processing, relating to the field of kimchi processing technology. The utility model includes: a washing tank with a drain pipe connected to the bottom of one side; a water-passing plate fixed in the middle of the washing tank, with a drain outlet at one end of the water-passing plate; a U-shaped plate positioned above the water-passing plate, with mesh cylinders evenly embedded on the bottom side of the U-shaped plate, into which vegetables to be washed are placed one by one; and a driving mechanism positioned above the water-passing plate. This utility model uses conical mesh cylinders to independently wrap the cabbage, avoiding the frictional damage to the leaves caused by high-density stacking in traditional washing methods. It also ensures that water flows evenly into the gaps between the leaves, improving the thoroughness of the washing. The driving mechanism enables high-frequency, low-amplitude reciprocating motion of the U-shaped plate, simulating the effect of hand rubbing and enhancing the efficiency of stain removal.

This invention discloses an efficient cultivation method for crop rotation of mung beans and Chinese cabbage. The method includes: (1) treating spring mung beans with seed priming one week before sowing, sowing in late March, harvesting in early June, and returning the straw to the field after crushing; (2) sowing seedling Chinese cabbage in mid-June and harvesting in late July; (3) sowing summer mung beans in late July and harvesting in early October, and returning the straw to the field after crushing; (4) sowing Chinese cabbage in mid-September for seedling cultivation, transplanting in mid-October, and maturing in late December. This invention adopts a scientific and reasonable crop rotation model, which can achieve four crops and four harvests a year, significantly improving land utilization. By planting mung beans for nitrogen fixation and returning straw to the field, soil fertility is improved, and the amount of fertilizer used for vegetable cultivation is reduced. By combining the planting of miscellaneous grains with vegetable cultivation, food security and vegetable supply are ensured, achieving significant economic, social, and ecological benefits.

FIELD: food industry.SUBSTANCE: intended for the production of food products, in particular fish and vegetable products. A method for producing fish-vegetable cutlets is proposed, which involves grinding solid recipe components in a mincer, including minced fish, onions sautéed in vegetable oil, table salt, chopping with the simultaneous introduction of liquid recipe components, forming cutlets, while additionally at the stage of introducing solid components, carrots, white cabbage, corn flour are introduced, and at the stage of introducing liquid components, a spicy-smoking hydrophobic CO2 extract and a CO2 extract of black pepper are introduced, after forming, heat treatment of the cutlets is carried out in a combi steamer at a temperature of 150°C with the “steam” function for 10-12 minutes and in the “convection” mode for 8–10 minutes, bring to culinary readiness, then cool the product to a temperature of +5–0°C and subjected to shock freezing at a temperature of -20°C, with the following ratio of the initial components, wt.%: minced fish 52.0; carrots 12.5; white cabbage 11.5; onions 10.0; corn flour 9.5; vegetable oil 3.3; table salt 1.18; spicy-smoking hydrophobic CO2-extract 0.01; CO2-extract of black pepper 0.01.EFFECT: reduction of the labor intensity of the process and improvement of the organoleptic properties of fish-vegetable cutlets.1 cl, 1 tbl, 2 ex

The invention discloses a permeation persistent-effect auxiliary agent with a spodoptera exigua nuclear polyhedrosis virus control effect, a preparation and application, and relates to the technical field of agricultural biopesticides. The auxiliary agent comprises a reverse penetrating agent, a leaf back deposition agent, a midgut synergistic agent, an environment activation type adhesive, a system compatible component and the balance of a carrier. Through cooperation of the lecithin / alcohol ether compound reverse penetrating agent and the hydrophobic modified silicon dioxide, liquid medicine canopy penetration and leaf back efficient deposition are achieved; a carrageenan-chitosan compound forms an intelligent response film of'drying viscosity loss-wet activation ', and the lasting period is prolonged to 10-14 days; chitosan oligosaccharide can regulate the midgut environment of pests, and the virus infection rate is increased by 1.8-2.3 times. And the auxiliary agent is compatible with an unmanned aerial vehicle low-volume spraying system and is suitable for green prevention and control of beet armyworms of cruciferous crops such as cabbages, cauliflowers and Chinese cabbages, the control effect reaches 95% or above 7 days after pesticide application, and the lasting period is prolonged by 5-7 days compared with that of a conventional preparation.

The invention discloses a high-efficiency cultivation technology for interplanting of zingiberaceae melons and Chinese cabbages, and relates to the field of three-dimensional planting, the high-efficiency cultivation technology comprises the following steps: step 1, constructing a frame body: constructing a planting frame composed of arched door supporting pipes, an environment adjusting device and a vine climbing net; step 2, space interplanting: planting zingiberaceae melons on the racks, and planting Chinese cabbages under the racks; step 3, regulating and controlling plants, and managing the zingiberaceae melons by adopting a double-vine pruning mode; 4, comprehensive agricultural management is carried out, matched soil preparation and bedding, seedling raising, field management and pest control measures are implemented, and illumination control and air circulation are achieved through an environment adjusting device. According to the cultivation technology, a three-dimensional cultivation mode of'double-vine pruning and Chinese cabbage interplanting under the frame 'is adopted, a special planting frame structure and refined agricultural management are comprehensively applied, and efficient collaborative production of the zingiberaceae melons and the Chinese cabbages is achieved.

The invention discloses a small Chinese cabbage harvester and belongs to the technical field of agricultural machinery. The conveying system comprises a conveying transmission mechanism and two conveying belt mechanisms; the whole frame is in an inclined state with the front portion low and the rear portion high, the walking system is installed below the frame, the two conveying belt mechanisms are arranged in a bilateral symmetry mode and fixed to the front portion of the upper portion of the frame respectively, the two conveying belt mechanisms are both in transmission connection with the conveying transmission mechanism, and the conveying transmission mechanism is fixedly installed on the frame and located on the rear sides of the two conveying belt mechanisms. The two pulling shovels are fixedly connected to the frame and located in front of conveying belts of the two conveying belt mechanisms, and the cutting system is located below the conveying belts of the two conveying belt mechanisms and rotationally connected with the frame. The walking system, the conveying system and the cutting system are all controlled by a controller, and the controller is installed on the rear side of the frame. The cutting system has an automatic adjusting function, and the conveying system has a flexible clamping function. Therefore, the small Chinese cabbage harvester is particularly suitable for automatic harvesting operation of heading Chinese cabbages.

This invention relates to the field of vegetable fermentation processing technology, specifically a fermentation method for pickling selenium-enriched arrow-shaped white cabbage with zero nitrite content. The method includes the following steps: selecting selenium-enriched arrow-shaped white cabbage with a selenium content of 0.05-0.6 mg / kg, washing, removing impurities, and cutting it, then drying it with sterile air until there is no free water on the surface; layering the treated selenium-enriched arrow-shaped white cabbage into a sealed fermentation tank, and activating an adjustable pressing device to compress the material until it is completely submerged below the fermentation liquid surface. This invention utilizes directional lactic acid bacteria-dominated fermentation and a strong anaerobic environment to completely inhibit nitrate-reducing bacteria, resulting in nitrite content far below national standards. The synergistic effect of the selenium-enriched protective liquid and the anaerobic environment significantly enhances the nutritional value of the product. Simultaneously, it employs low-salt fermentation, without adding preservatives or using chemical antibacterial agents, and the adjustable pressing device prevents the raw materials from floating and deteriorating, reducing losses.

The invention discloses a non-transgenic herbicide-resistant Chinese cabbage or Chinese cabbage type rape strain as well as a cultivation method and application thereof, and aims to solve the problem of weeds in the production practice of Chinese cabbage or Chinese cabbage type rape, a non-transgenic herbicide-resistant gene of a sibling species is transferred into Chinese cabbage or Chinese cabbage type rape through a distant hybridization technology; the non-transgenic herbicide-resistant Chinese cabbage or Chinese cabbage type rape germplasm is obtained; the non-transgenic herbicide-resistant Chinese cabbage or Chinese cabbage type rape germplasm is used as a herbicide-resistant character donor, and is hybridized with other varieties to obtain a new variety of Chinese cabbage or Chinese cabbage type rape with resistance to specific herbicides through screening. After the new non-transgenic herbicide-resistant cabbage or cabbage type rape variety is applied to production, the herbicide can be sprayed in the early stage, the growth of the cabbage or cabbage type rape is not affected while weed seedlings are killed in the early stage, the weed problem is effectively solved, and cost saving and efficiency increasing in the weeding link are achieved.

The present invention relates to a technology for preparing fermented foods, particularly kimchi, and relates to a kimchi preparation method and kimchi prepared using same, the method reducing off-odor, improving flavor and preference, and ensuring long-term storage and hygiene through salinity control of salted Chinese cabbage, optimization of a composition of lactic acid bacteria in kimchi seasoning, multi-stage aging, and a ultra-high pressure sterilization (HPP) process. In addition, a lightly fermented taste, a well-fermented taste, and a fully fermented taste can be selectively implemented using aging control. For example, a low acidity region (acidity of approximately 0.1% to 0.3%), a medium acidity region (acidity of approximately 0.31% to 0.9%), and a high acidity region (acidity of approximately 0.91% to 1.7%) can be stably ensured, and a combination of lactic acid bacteria strains (e.g., Leuconostoc, Lactobacillus, and Weissella spp.), the ratio of Chinese cabbage to seasoning, and a lactic acid bacteria inoculation amount are optimized such that fermentation variability can be reduced and reproducibility between products can be increased.

The invention discloses a cultivation method for enhancing the total amount of bio-available calcium of edible parts of pakchoi, and relates to the technical field of Chinese cabbage cultivation, and the method comprises the following steps: variety screening, seedling raising, transplanting, foliar fertilizer spraying, cultivation and picking. Through the design of high-calcium variety screening, calcium nutrition pretreatment in the seedling raising period, foliar calcium supplement and potassium fertilizer synergistic application, the calcium content of the edible part of the pakchoi is increased, more importantly, the absorption, transport and accumulation process of calcium in the plant body is optimized, the total amount of bio-available calcium which can be actually absorbed and utilized by the human body in the edible part is increased, and the yield of the pakchoi is increased. The problem that an existing calcium fertilizer application and biological enhancement technology cannot guarantee effective calcium absorption of a human body is solved. Aiming at the problems of low absorption efficiency of traditional soil calcium fertilizer application and lack of systematicness of a foliar calcium fertilizer technology, through pretreatment of an EDTA calcium complex in a seedling raising period, precipitation which is difficult to absorb and formed by combination of calcium and other substances in soil or a matrix is avoided, and an efficient calcium absorption basis is constructed for seedlings.

The present application provides a kind of diandong yam root endophytic fungus fragile fruit pringlea DHJ068 and its application, it is related to crop disease prevention and treatment technical field.The diandong yam root endophytic fungus fragile fruit pringlea DHJ068 is preserved in China typical culture collection, and the preservation number is CCTCC NO:M 2025748, and the fermentation broth extract of the bacteria can be applied to crop disease prevention and treatment.The present application overcomes the shortcomings of the prior art, the fermentation broth extract of diandong yam root endophytic fungus fragile fruit pringlea DHJ068 can effectively inhibit the growth of Chinese cabbage soft rot bacteria and cucumber bacterial angular spot bacteria, and achieve certain biological control purposes.

The application discloses a method for creating non-transgenic mutant strains of Chinese cabbage. The method for creating non-transgenic mutant strains of Chinese cabbage provided by the application is realized by combining CRISPR / Cas9 technology and Chinese cabbage in situ transformation technology, and specifically comprises the following steps: introducing a CRIPSR / Cas9 gene editing vector carrying an sgRNA coding sequence of a target gene in a Chinese cabbage genome into a receptor Chinese cabbage by a vacuum infiltration in situ transformation method. Two PDS allele knockouts are obtained in 2032 seeds, and the non-transgenic editing mutant strains are obtained by the in situ transformation technology which is independent of tissue culture. The editing efficiency is greatly improved compared with the previously reported in situ transgenic efficiency, and the application provides a good research idea for transgenic safety and marker-free gene editing.

The invention relates to a cultivation method of cold-resistant high-chlorophyll non-heading Chinese cabbages. The breeding method disclosed by the invention has the characteristics of simple steps, clear target and accurate breeding, a new variety of the non-heading Chinese cabbage with strong cold resistance and high chlorophyll is successfully cultivated by utilizing the breeding method, and the problem that the quality is poor due to insufficient cold resistance and low chlorophyll content of the non-heading Chinese cabbage cultivated in autumn and winter in the middle and lower reaches of Yangtze River is solved.

This invention relates to a small-scale cabbage harvester, belonging to the field of agricultural machinery technology. The conveying system includes a conveyor transmission mechanism and two conveyor belt mechanisms. The overall frame is inclined, with a lower front and higher rear. A walking system is installed below the frame. The two conveyor belt mechanisms are symmetrically arranged and fixed to the front of the frame, both connected to the conveyor transmission mechanism, which is fixed to the frame and located behind the two conveyor belt mechanisms. Two pull shovels are connected and fixed to the frame, located in front of the conveyor belts of the two conveyor belt mechanisms. The cutting system is located below the conveyor belts of the two conveyor belt mechanisms and is rotatably connected to the frame. The walking system, conveying system, and cutting system are all controlled by a controller installed at the rear of the frame. The cutting system has an automatic adjustment function, and the conveying system has a flexible clamping function. Therefore, this small-scale cabbage harvester is particularly suitable for the automated harvesting of head-forming cabbages.

The invention discloses a sample pretreatment process for food detection, which comprises the following steps: step 1, stirring a sample: taking out pickled Chinese cabbages, cleaning residual saline solution on the surfaces of the pickled Chinese cabbages by using absorbent paper, and putting the pickled Chinese cabbages into a stirring device in pretreatment equipment to stir the pickled Chinese cabbages into homogenate; step 2, filtering the sample, filtering the homogenate in a filtering device in pretreatment equipment to obtain filtrate and waste residues, separately collecting the filtrate and the waste residues, and taking the collected filtrate as the sample; and step 3, cleaning the equipment, namely cleaning the pretreatment equipment by using a first cleaning device and a second cleaning device in the pretreatment equipment. The invention relates to a sample pretreatment process convenient for pretreatment of pickled food.