610 results about "Sugar cane" patented technology

The invention discloses a sugarcane germplasm resource evaluation and breeding method for smart agriculture. The sugarcane germplasm resource evaluation and breeding method comprises the following steps: step 1, collecting materials with wide genetic diversity; establishing an intelligent incubator and a greenhouse, and monitoring environmental parameters by using an Internet of Things sensor; 2, performing data acquisition on the related germplasm resources by using an unmanned aerial vehicle, a robot and a near infrared spectrum technology, and constructing a phenotype database for data management; meanwhile, genotype identification is carried out by combining molecular marker-assisted selection and genome selection technologies, molecular markers of key genes are mined, and the genetic value of related germplasm is evaluated; step 3, constructing a hybrid combination prediction model by using an AI algorithm, optimizing parent matching of the related germplasm and the cultivated sugarcane, monitoring and collecting the filial generation at the same time, and analyzing and screening in combination with smart agriculture; 4, demonstration planting is conducted on the bred excellent sugarcane strain, and application of the excellent strain is improved through government-enterprise-scientific research institution collaborative popularization and in combination with farmer technical training.

The invention relates to the technical field of agricultural biology, and discloses an auxiliary cultivation method for promoting sugarcane biological nitrogen fixation, which comprises the following steps: (1) breeding a sugarcane variety with high nitrogen-fixing bacteria affinity, and preparing an environmental stress resistant nitrogen-fixing bacteria agent; (2) carrying out acidification improvement and carbon source pre-burying on the planting soil; (3) inoculating the nitrogen-fixing bacterial agent to the sugarcane seed stem or rhizosphere area; (4) maintaining the metabolic activity of nitrogen-fixing bacteria by dynamically regulating and controlling rhizosphere carbon source supply and oxygen partial pressure; (5) adjusting a fungicide supplementary application strategy in real time based on the environmental data; and (6) solidifying the symbiotic character through intergenerational epigenetic treatment. Through host-microorganism coevolution and intelligent dynamic regulation and control, the nitrogen fixation efficiency and environmental adaptability of the sugarcane-nitrogen-fixing bacteria symbiotic system are remarkably improved; and epigenetic and flora iteration technologies are combined, so that stable transmission of cross-generation characters is realized, and a low-consumption and high-benefit ecological solution is provided for sustainable agriculture.

The invention relates to the technical field of microorganisms, in particular to application of streptococcus non-lactolyticus GX-7 and a complex microbial inoculant thereof in sugarcane leaf silage, the strain GX-7 is separated from healthy pig manure by a research group, and through detection, the strain has good cholate resistance and is suitable for surviving in intestinal tracts, and the strain GX-7 has good cholate resistance and is suitable for being used as a feed additive. The antibacterial effect on pseudomonas fluorescens, listeria monocytogenes, salmonella choleraesuis and shigella flexneri is achieved; the strain has a good fermentation capability on sugarcane leaves, and the sugarcane leaves are inoculated with a complex microbial inoculant prepared from streptococcus non-lactolyticus GX-7 and streptococcus non-lactolyticus GX-2, so that a synergistic fermentation effect can be achieved; after the silage prepared from the complex microbial inoculant is fed to female buffalo in the gestation period, it is found that the silage can effectively increase the content of milk protein, milk total solids and milk non-fat solids in colostrum of the female buffalo and relieve diarrhea of the female buffalo, and the silage is safe and good.

The invention discloses a sugarcane streak mosaic virus infectious cloning vector as well as a construction method and application thereof, and belongs to the technical field of biology. The recombinant plasmid provided by the invention contains a whole genome of the SCSMV, and the nucleotide sequence of the whole genome is the 771 to 10583 nucleotides of SEQ ID No. 1. The recombinant plasmid disclosed by the invention is obtained by taking a pCB301 vector as a skeleton and then inserting the skeleton into a whole genome of SCSMV, and the recombinant agrobacterium tumefaciens (pCB301-SCSMV infectious clone) prepared by the recombinant plasmid can successfully infect nicotiana benthamiana and has efficient infection ability; the infectious clone of the recombinant expression plasmid prepared from the recombinant plasmid can successfully infect nicotiana benthamiana, has efficient infection ability and can express foreign proteins.

The invention discloses a sugarcane single-bud pellet planting machine, which relates to the technical field of sugarcane planting machinery, and comprises a planting frame main body which is dragged to advance by an advancing power device, and a furrow opener, a covering device and a single-bud pellet seed taking mechanism which are arranged on the planting frame main body, the single-bud pellet seed taking mechanism comprises storage boxes, a conveying barrel, a taking part and a driving part, the storage boxes are carried on the planting frame body, the conveying barrel is mounted on the side faces of the storage boxes, a notch is formed in the side face, close to the outlet end, of the conveying barrel, the driving part is mounted on the planting frame body, and the output end of the driving part is mechanically connected with the taking part; the material taking part comprises a closed chain and a material taking spoon arranged on the closed chain, the sugarcane single-bud pill seeds in the material storage box are conveyed into the material conveying barrel one by one through the material taking spoon, and the situation that in the sowing process, the sugarcane seeds are blocked in the seed box or the seed metering device, and the sowing uniformity and accuracy are affected can be effectively avoided through the seed feeding mode.

The invention discloses a sugarcane polyphenol and mulberry leaf extract compound raw material and application thereof.The sugarcane polyphenol and mulberry leaf extract compound raw material comprises sugarcane polyphenol and mulberry leaf extract, the polyphenol content of the sugarcane polyphenol is larger than or equal to 20%, the DNJ content of the mulberry leaf extract is larger than or equal to 10%, and the concentration of the polyphenol and the DNJ is 0.1-2% after the sugarcane polyphenol and the mulberry leaf extract are compounded; by compounding the sugarcane polyphenol and the mulberry leaf extract, the active and passive transfer effects of glucose in small intestines are effectively blocked, so that the rate of the glucose entering blood is controlled, the blood glucose reaction after carbohydrate food is eaten is reduced, the decomposition and absorption of the intestinal tract to carbohydrates such as starch and disaccharide are delayed, the postprandial blood sugar is stabilized, and the blood sugar content is reduced. By reasonably adjusting the concentration of polyphenols and DNJ in the compound extract to be 0.1-2%, the combination of blocking and dredging can be realized, a synergistic effect is generated, more comprehensive and more stable management of blood sugar is realized, and meanwhile, natural crops are adopted, so that the product quality safety is ensured.

The invention discloses a sugarcane live-action three-dimensional phenotype extraction method based on a 3D Gaussian splashing technology. The method comprises the following steps of data acquisition, wherein a 360-degree omnibearing shooting mode is executed around a single sugarcane plant for shooting or video recording to obtain complete image or video data of the sugarcane plant; preprocessing the data; 3D model construction comprises the following sub-steps: SfM sparse reconstruction: instance segmentation; the method comprises the following steps: carrying out 3D Gaussian Splicing guided by a mask; point cloud data processing includes the following sub-steps: point cloud preprocessing including voxel downsampling, statistical filtering and radius filtering; segmenting and identifying stalks / leaves; the segmentation comprises RANSAC plane segmentation, DBSCAN clustering and region growth; the phenotype analysis comprises grid reconstruction and area / volume / perimeter / plant height calculation. According to the invention, the problems of difficult data acquisition, large workload and incomplete information acquisition in the prior art are solved.

The invention belongs to the technical field of biological fuel cells, and particularly relates to an enzyme biological fuel cell system for detecting sugarcane pokkah boeng disease through three signals as well as a preparation method and application of the enzyme biological fuel cell system. The enzyme biological fuel cell system comprises an enzyme biological fuel cell and a photothermal conversion solution TiO2 (at) Au, the enzyme biological fuel cell comprises a biological anode, a biological cathode and an electrolyte, the biological anode is MWNT (at) ZIF-8 / AuNPs / GOD, and the biological cathode is an MWNT (at) ZIF-8 / AuNPs / DNA chain. According to the invention, false positive signals of detection results can be effectively calibrated; through combined use of three detection modes, high sensitivity, selectivity and real-time monitoring capability can be realized, and the method can be used for accurate detection of the sugarcane pokkah boeng rot.

The invention discloses a sugarcane ScPP2C49 gene and application thereof, and relates to the technical field of plant biology, the nucleotide sequence of the ScPP2C49 gene is as shown in SEQ ID No.1, and the amino acid sequence of protein coded by the ScPP2C49 gene is as shown in SEQ ID No.2. The gene is induced to express by drought and abscisic acid, and the encoded protein of the gene is positioned in a cell nucleus. Functional studies show that after overexpression of the ScPP2C49 gene in the plant, the drought resistance of the plant is negatively regulated through various mechanisms of inhibiting an abscisic acid signal channel, hindering stomatal closure under drought stress, weakening active oxygen scavenging ability, reducing photosynthetic efficiency, inhibiting root growth and the like. The invention also provides a recombinant overexpression vector containing the gene and a method for obtaining a transgenic plant with reduced drought resistance by using the vector through an agrobacterium-mediated method. According to the invention, a new gene resource is provided for deep analysis of a plant drought-resistant molecular mechanism, and an important target gene is provided for cultivation of high-stress-resistance crop varieties through a reverse genetics means (such as gene knockout).

The invention discloses an anti-decayed tooth toothpaste containing sugarcane leaf polysaccharide and a preparation method thereof. The toothpaste is prepared from the following raw materials in parts by weight: 3-6 parts of sugarcane leaf polysaccharide, 0.5-0.8 part of propolis extract, 0.05-0.09 part of antibacterial peptide, 2-5 parts of green tea extract, 80-100 parts of auxiliaries, 5-10 parts of deionized water and 2-4 parts of natural tea tree oil. The preparation method comprises the following steps: uniformly mixing all the raw materials, heating and stirring, and carrying out vacuum degassing to prepare the paste. The toothpaste disclosed by the invention can be used for efficiently inhibiting / killing oral pathogenic bacteria, maintaining the micro-ecological steady state of oral health and reducing erosion of acid substances to enamel, has excellent effects in the aspects of protecting gingiva, resisting inflammation, preventing bacterial breeding and resisting decayed teeth, and keeps lasting efficacy.

The invention relates to the technical field of agricultural intelligent identification, in particular to a sugarcane flowering phase identification method based on multi-modal fusion, which comprises the following steps of: acquiring multi-modal data of a sugarcane field, including visible light, near-infrared and multispectral remote sensing images, meteorological time sequence data and field metadata, and acquiring a manually marked flowering phase; preprocessing the multi-modal data, including geometric correction and illumination normalization of a remote sensing image, standardization and unified time index establishment of time sequence data, and interpolation or mask processing of missing modal or missing time step data to obtain standardized data; according to the method, collection, feature extraction and cross-space-time alignment are carried out on the multi-modal data of the sugarcane field parcels, and then uniform feature vectors are generated to carry out flowering phase prediction, so that the problem of low flowering phase identification precision caused by lack of multi-modal fusion and time sequence modeling due to the fact that a manual visual inspection method is adopted in traditional sugarcane flowering phase identification is solved.

The invention provides an automatic sugarcane identification method cooperating with soil-green-light time sequence linkage, and the method comprises the steps: carrying out the detection of a cultivation disturbance event: quantifying the dynamic change of a soil structure in a spring cultivation period based on the radar texture heterogeneity induced by sugarcane ridging cultivation; canopy steady-state event detection: based on the scattering mechanism stability of the sugarcane closed canopy, quantifying the biomass steady state in the elongation mature period through normalized variance; group light competition event detection: based on chlorophyll absorption competitive change caused by sugarcane close planting, time sequence extreme value positioning and cumulative intensity analysis are carried out; multi-source collaborative decision making: coupling radar structure stability and optical physiological response characteristics, and fusing event detection results through linkage discriminant indexes; outputting the spatial distribution of the sugarcanes; wherein the detection of the farming disturbance event, the canopy steady state event and the group light competition event is based on the time sequence data linkage analysis of the whole growth period of the sugarcane.

The invention discloses a sugarcane single bud pelleting and coating device, and relates to the technical field of seed pelleting, the sugarcane single bud pelleting and coating device comprises an adjustable mounting mechanism and a sliding plate slidably mounted on the adjustable mounting mechanism, the back of the sliding plate is provided with a rotation driving motor, and the output end of the rotation driving motor is provided with a material loading round pot; a fluctuation adjusting mechanism is further arranged on the adjustable mounting mechanism, the sliding plate is mechanically connected with the fluctuation adjusting mechanism, and the fluctuation adjusting mechanism drives the sliding plate to slide up and down in a reciprocating mode. According to the coating device, the rotary driving motor is used for driving the material loading round pot to rotate at a constant speed, in the rotating process of the material loading round pot, coating materials and seeds (referring to sugarcane seed tubers) in the round pot roll and turn over along the inner wall of the material loading round pot, and under the action of the fluctuation adjusting mechanism, the coating materials and the seeds are uniformly coated. The coating material and the seeds are subjected to up-down flexible re-throwing to complete uniform combination of the coating material and the seeds, and the coating material coats the outer walls of the seeds under the action of the inner wall of the pot and is kneaded into pellets.

The invention relates to the technical field of termite trapping and killing, and particularly discloses an environment-friendly termite trapping and killing strip and a preparation method thereof. The environment-friendly termite trapping and killing strip is prepared from microcrystalline cellulose, sodium carboxymethyl cellulose, potassium sorbate, pine sawdust, tapioca flour, xanthan gum and killing microcapsules. The killing microcapsule comprises a capsule wall and a capsule core, wherein the capsule core is prepared from the following raw materials: triflumuron, diflubenzuron, ammonium chloride, petroleum ether and sodium dodecyl benzene sulfonate; the capsule wall is prepared from the following raw materials: modified chitosan, sodium alginate, modified corn straw powder, Arabic gum and a sugarcane extract. According to the environment-friendly termite trapping and killing strip, all the components are matched, the excellent insecticidal effect is achieved, the pesticide can be slowly released through the killing microcapsules, the insecticidal time is prolonged, and the prepared trapping and killing strip can kill insects for a long time.

A sugarcane harvester and a method for harvesting a sugarcane crop having cane stalks. The sugarcane harvester includes a base cutter assembly configured to cut the cane stalks at a base and a header. The header includes a crop divider configured to position the cane stalks with respect to the sugarcane harvester, wherein the crop divider is rotatable about a divider rotational axis. A knockdown roller is configured to direct the positioned cane stalks to the base cutter assembly, wherein the knockdown roller is rotatable about a roller rotational axis. An imaging system is configured to provide crop information of the sugarcane crop and a controller is operatively connected to the imaging system. The controller is configured to receive the crop information, wherein the controller transmits one or more control signals in response to the crop information to one or both of the crop divider and the knockdown roller.

The application discloses a kind of sugarcane harvester cutter disc cutting depth control method into soil, comprising the following steps: sensor is installed on sugarcane harvester;The sensor includes laser radar for detecting splashed soil;The cutting depth control model is constructed by cutting into soil cutting test, and the cutting depth control model includes the relationship model of weak signal ratio and cutting depth;When harvesting operation is carried out, the soil position thrown by cutter disc cutting into soil is scanned in real time by laser radar, and the signal scanned in real time is returned to background controller, weak signal in the signal scanned in real time is identified by background controller, and the percentage of weak signal point in total signal point is calculated;The percentage is compared with cutting depth control model, and the depth of current cutter disc into soil is found;Real-time adjustment cutter disc reaches preset ideal cutting depth.The application can control the depth of precision cutter disc into soil in real time, and it is beneficial to avoid the problems that sugarcane root height is not the same, and root breaks head.

The invention discloses an intelligent identification method and system for diseases in the early growth stage of sugarcane, and relates to the technical field of sugarcane planting, and the method comprises the steps: obtaining multispectral image data of leaves of sampled sugarcane in the early growth stage, and obtaining the spectral data of each preset wave band and a corresponding grayscale image from the multispectral image data; according to the quality of the spectral data of each preset wave band, endowing the spectral data of each preset wave band with a weight; performing weighting processing on the corresponding grayscale image by using the weight of the spectral data of each preset wave band to obtain a target grayscale image corresponding to the spectral data of each preset wave band; and under a preset constraint condition, fusing all the target grayscale images to obtain a fused image, and obtaining a disease identification result according to the fused image and the trained disease intelligent identification model. According to the invention, the accuracy of sugarcane disease identification can be improved.

The invention provides a soil improvement method for a sugarcane seedling seedbed. The soil improvement method comprises the following steps that a small-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread on the surface layer of soil, and a large-particle-size water-retaining agent containing a water-absorbing component and a biodegradable natural fiber material is spread in a root zone. The water-retaining agents with different particle sizes and mixed with biodegradable natural fibers are spread in a layered manner, so that fine regulation and control can be performed according to the water requirements of different depths of the seedbed. The small-particle-size water-retaining agent is distributed on the surface layer, can rapidly absorb rainfall or irrigation water, reduces surface water evaporation, effectively inhibits weed growth, and meanwhile is not prone to being washed away by rainwater due to the small particle size. The large-particle-size water-retaining agent is concentrated in the root zone, has higher water-retaining capacity, can continuously provide stable water for the root system, and avoids wilting of the root zone due to water shortage. The biodegradable natural fibers are mixed, so that the water-retaining agent is expanded to form a porous structure, and root respiration and healthy growth are promoted.

The invention discloses a method for constructing a sugarcane biomass 3D prediction model based on a dynamic video, and the method comprises the following steps: (1) actual measurement and investigation of sugarcane growth data: investigating the plant height, stem height, stem thickness, leaf area and stem leaf biomass of sugarcane every month until the sugarcane is mature; (2) carrying out 3D Gaussian spattering phenotype data extraction, data acquisition and data preprocessing; (3) 3D model construction and data verification, including three-dimensional reconstruction, point cloud data processing, phenotype analysis, growth trend tracking and biomass 3D prediction model establishment; and establishment of a biomass 3D prediction model: specifically, based on the key indexes extracted from the point cloud data and the actually measured biomass true value, the biomass prediction model established by adopting a random forest regression algorithm is the biomass 3D prediction model. The problems that in the prior art, data collection is prone to being interfered by the environment, the model generalization ability is insufficient, and the mapping relation between the form and the biomass is indefinite are solved.

The invention relates to the field of agriculture, and discloses a method for evaluating sugarcane smut based on an unmanned aerial vehicle image, which comprises the following steps: data acquisition: planning a route by using an unmanned aerial vehicle carrying a multispectral camera, a hyperspectral camera and an RGB (Red, Green and Blue) camera, so that the unmanned aerial vehicle acquires image data of sugarcane; preprocessing: sequentially carrying out geometric correction, radiation correction and image fusion processing on the image data to obtain preprocessed data; feature fusion: constructing a fusion model including spectral feature extraction, visual feature extraction and spatial-temporal feature fusion according to the feature expression of the sugarcane smut; and model generalization: collecting multi-source images and disease investigation data according to the actual condition of the sugarcane. The method comprises the following steps: performing data acquisition through an unmanned aerial vehicle, obtaining multi-dimensional image data in a sugarcane growth critical period, performing preprocessing, constructing a fusion model including spectral feature extraction, visual feature extraction and spatial-temporal feature fusion, performing fine adjustment and optimization in combination with a transfer learning strategy, and performing real-time analysis on a disease detection result.

The invention relates to the technical field of agricultural automation, and discloses a seed leakage real-time detection method and system for an automatic sugarcane planter, and the method comprises the steps: collecting the distance measurement data and position signals of each seed metering channel in real time through a multi-channel sensor, and obtaining an initial distance measurement data set; calculating the relative distance difference between the channels based on the initial ranging data set, and determining the zero drift distance; when the zero drift distance exceeds a preset threshold value, datum point correction is carried out on the target calibration channel, and calibrated ranging data are obtained by fusing adjacent channel data; performing cross validation on the calibrated data, and judging an accumulative error level; channel cooperation parameters are adjusted according to the accumulative error level, distance measurement values passing verification are integrated through a data fusion method, and an optimized relative distance matrix is obtained; and mapping seed leakage point coordinates through the matrix, generating a position map, extracting reseeding target points, and determining a final seed leakage positioning result. The accuracy of seed leakage detection is improved.

A method of manufacturing sugar cane polyvinyl alcohol wherein sugar cane bagasse is processed into polyvinyl alcohol. Processing raw materials including sugar cane bagasse and deionized water. Enzymatically hydrolyzing and using saccharification on the sugar cane bagasse to obtain sugar cane bagasse enzymatic hydrolysate. Fermenting the sugar cane bagasse solution. Distilling the fermented sugar cane bagasse solution to obtain ethanol solution and lignin solution. Transferring the distilled solutions to an ethylene plant area to obtain a polymer grade ethylene product. Transferring the polymer grade ethylene product to an acetic acid evaporator to generate vinyl acetate. Introducing the vinyl acetate into an autoclave with methanol solution wherein said solutions undergo a reflux reaction process. Ethyl acetate is then dissolved in methanol to prepare a polyvinyl acetate solution which undergoes alcoholysis wherein the product is then washed and deionized, yielding polyvinyl alcohol.

The invention provides a sugarcane flowering state intelligent identification and early warning system combined with unmanned aerial vehicle inspection, which is provided with an unmanned aerial vehicle and a server, and the server is provided with a database, a sugarcane small pen tube detection module, a sugarcane spica detection module and a sugarcane flowering state identification module. The system integrates advancement of computer vision and a database technology, collects high-definition videos by inspecting a sugarcane breeding area through the unmanned aerial vehicle, and timely transmits the high-definition videos back to a database of the server; a sugarcane small pen tube detection module, a sugarcane spica detection module and a sugarcane flowering state recognition module in the server are used for intelligently recognizing and judging images of the video streams respectively, and a system is used for giving an external early warning according to a judgment result. Corresponding models are respectively arranged in the functional modules of the server for discriminating operation, so that complex features in the sugarcane flowering phase image can be automatically captured, and accurate discrimination can be quickly made. Therefore, manpower and material resources can be effectively saved and the inspection efficiency can be improved by adopting the system to identify and early warn the sugarcane flowering state.

This sugar cane harvester comprising a reaping part, a first conveying device 4, and a sorting device 7. The sugar cane harvester further comprises: a storage part 8 capable of receiving and storing crops falling from the sorting device 7; and a second conveying device 9 that extends obliquely upward from the storage part 8, that is capable of swinging upward around a fulcrum P2 at a starting end, that conveys the crops in the storage part 8 obliquely upward, and that discharges the crops from an end part. The sugar cane harvester further comprises a spill prevention part 27 that is provided to the storage part 8 and / or the second conveying device 9, that can prevent crops from spilling to the outside, and that can be elastically deformed or displaced by contact with the sorting device 7 accompanying the rising of the second conveying device 9.

The invention provides a sustained-release and controlled-release sugarcane bacteriostatic pesticide-fertilizer particle and a preparation method and application thereof, and belongs to the technical field of agricultural sustained-release and controlled-release fertilizer.The pesticide-fertilizer particle is coated with chitosan-sodium alginate double-network hydrogel, has the pH intelligent response characteristic and can adjust the nutrient and bactericide release rate in a self-adaptive mode according to the soil pH change; oxathiapiprolin and pyraclostrobin are compounded, so that sugarcane smut, maculopathy and rust disease are prevented and treated in a broad-spectrum and high-efficiency manner; a biomass charcoal-bentonite-zeolite molecular sieve composite carrier and a bacillus amyloliquefaciens composite flora are introduced, so that the micro-ecology of the soil is improved; a three-layer coating structure simplifies the preparation process, the production cost is reduced, and field tests show that the pesticide-fertilizer particles provided by the invention can increase the yield of sugarcane by 12-18%, increase the sugar content by 0.5-1.2%, reduce the disease incidence by 70-80%, increase the nutrient utilization rate by 20-35%, and increase the soil organic matter content by 0.6-4.6 g / kg.

1. The name of the design product: sugarcane peeling machine. 2. The use of the design product: a processing equipment for sugarcane peeling. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The bottom of the design product is the part that is not easy to see or cannot be seen during use, so the top view is omitted.

The invention provides a functional feed additive for relieving oxidative damage to intestinal tracts of piglets as well as a preparation method and application of the functional feed additive. The functional feed additive is prepared from the following components in parts by weight: 30 to 50 parts of plant extract, 0.5 to 2 parts of operculate cleistocalyx flower polyphenol-mesoporous silicon dioxide nanoparticles, 0.05 to 1 part of vitexin and 1 to 3 parts of sugarcane polyphenol. The product provided by the invention can relieve intestinal structure damage caused by oxidative stress of piglets and protect normal structures and functions of intestinal tracts; inflammatory factors are reduced, inflammatory response is improved, and intestinal health is maintained; the piglet diarrhea is reduced, and the production performance of piglets is improved.

The invention belongs to the field of rambutan cultivation, and particularly relates to a special compound fertilizer for rambutan and application thereof. According to the special compound fertilizer for the rambutan, disclosed by the invention, the millettia speciosa champ residues, the bagasse, the mimosa pudica and the fish meal are used as substrates, bacillus velezensis HAB-2 is added for fermentation to prepare an extract, and then fulvic acid, brassinolide and naphthylacetic acid are added to finally prepare the compound fertilizer, so that the growth of rambutan seedlings can be remarkably promoted; on the premise that healthy growth of rambutan seedlings is guaranteed, the seedling raising period of the rambutan is shortened, and the method has important promoting significance on cultivation of the rambutan.

The utility model provides a low loss conveying cutting device for sugarcane harvesting equipment is equipped with five parts of feeding belt conveyor, clamping conveying roller, cutting knife roll, back material belt conveyor, primary chain plate conveyor, clamping conveying roller is located in the rear of feeding belt conveyor, cutting knife roll is located in the rear of clamping conveying roller, the blade of upper and lower knife roll of cutting knife roll can adjust the height of protruding, can change the parallel gap and the coincidence degree of upper and lower between upper and lower knife roll blade through the protruding height of blade adjustment, back material belt conveyor is located in the just below of clamping conveying roller and cutting knife roll, primary chain plate conveyor is located in the rear lower side of cutting knife roll and forms the feeding link with back material belt conveyor. The cutting knife roll of the device can guarantee the flatness of cutting edge when cutting, reduce the cutting loss of sugarcane cutting, back material belt conveyor can convey the sugarcane that clamping and cutting station dropped to primary chain plate conveyor, reduce the loss of dropping.

The invention relates to the technical field of plant genes, in particular to a sugarcane ScPi21 gene promoter and application thereof. The sugarcane ScPi21 gene promoter is selected from a DNA (deoxyribonucleic acid) molecule as shown in any one of the following items (1)-(4): (1) ProScPi21-ZZ1a as shown in SEQ ID NO.1; (2) ProScPi21-ZZ1b as shown in SEQ ID NO. 2; (3) ProScPi21-ZZ1c as shown in SEQ ID NO.3, and (4) ProScPi21-ZZ1c as shown in And (4) ProScPi21-ROC22 as shown in SEQ ID NO. 4. The four gene promoters obtained by the invention provide new candidate sequences for screening specific expression promoters in sugarcane genetic engineering; and a technical support is provided for sugarcane genetic engineering breeding and cultivation of excellent planting of sugarcane.