51results about "Sugarcane cultivation" patented technology

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 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.

The invention discloses a method for quickly recovering growth of autumn planted sugarcane after frost, and belongs to the technical field of sugarcane planting. The method comprises the following technical steps: (1) cleaning and treating frozen tissues; (2) film covering and heat preservation; (3) breaking a film and protecting seedlings; and (4) topdressing in a recovery period. According to the method, necrotic tissues are rapidly removed through frozen tissue cleaning and treatment, the regeneration and recovery capacity of sugarcane piles is activated in combination with a plant regulator, then film covering and heat preservation are conducted to create a stable temperature and humidity environment for sugarcane stumps, secondary freezing injury is prevented, germination is promoted, film breaking and seedling protection are conducted in time when seedlings come up, high-temperature burning is avoided, and it is guaranteed that the seedlings are smoothly transferred to natural growth; and finally, supplementing nutrients by topdressing in a recovery period, accelerating sugarcane seedling recovery and enhancing resistance. According to the method, quick growth recovery of the frosted autumn-planted sugarcane is achieved, the sugarcane plants can emerge again only 2-4 days after being treated, the emergence rate reaches 90% or above, the recovery period is greatly shortened, and it is ensured that the sugarcane seedlings germinate quickly and neatly.

The application discloses a kind of planting management methods for improving the yield of machine harvesting and rolling cane field ratoon cane, and relates to the technical field of sugarcane planting.The planting management method comprises the following steps: interplanting leguminous grass, applying microbial inoculant, timely ploughing and interplanting fat field radish.The planting management method can improve the physical and chemical structure of soil.Under the condition of mechanical high pressure, it can increase the ratoon cane sprouting rate, increase the number of effective stems and increase the plant height, thereby achieving the purpose of high yield and stable yield of ratoon cane for many years in succession.Meanwhile, the method is simple to operate, the effect is obvious, and is suitable for promotion.

The invention, which relates to the technical field of sugarcane monitoring, discloses a monitoring system for the induction effect of a sugarcane flowering phase, the system comprises a multi-dimensional sensing layer, an intelligent decision-making center and a precise execution layer. The multi-dimensional sensing layer collects illumination, temperature, phenological period, stress index and ScFT6 gene expression data through an environmental factor sensing module, a plant physiological status sensing module and a key gene expression real-time monitoring module; the intelligent decision center corrects a photoperiod and a temperature threshold through a dynamic threshold regulation and control model, and evaluates an induction effect in combination with gene expression; the precise execution layer executes shading, light supplement and temperature and humidity adjustment to form closed-loop regulation, and the system realizes dynamic precise regulation, improves the induction effect stability, adapts to complex environments and variety differences, and is suitable for sugarcane flowering phase induction monitoring.

This application relates to a method for planting sugarcane in sandy yellow soil, comprising: preparing the selected sandy yellow soil and applying base fertilizer; selecting sugarcane varieties suitable for the sandy yellow soil; treating and planting the selected sugarcane varieties; dividing the selected planting area into basic unit zones to facilitate field management; conducting field management of the sugarcane planted in the sandy yellow soil, including integrated water and fertilizer irrigation management; harvesting the mature sugarcane; the sugarcane is harvested twice a year, with the second harvested sugarcane being cultivated from the sugarcane roots after the first harvest. The technical solution of this application effectively solves the problem of poor sugarcane yield in existing technologies for planting sugarcane in sandy yellow soil.

The present invention relates to the field of biotechnology. More precisely, a process of growing cell aggregates in a system of containers rotating around their own horizontal axes is described. The invention also describes the cell aggregates used in the cultivation process and a method of micropropagating plant cells that comprises inoculating the plant cells in said containers with rotation around their own horizontal axes.

This invention relates to the field of sugarcane cultivation technology, specifically disclosing a method for improving the survival rate of sugarcane seedlings raised from buds. The method includes: cultivating virus-free healthy seedlings using first-generation or second-generation seed stems until they grow to 15-17 buds; removing the sugarcane buds to obtain sugarcane bud segments; disinfecting the sugarcane bud segments; soaking them in a first soaking agent, which consists of the following components by weight: 30-80 parts chitosan-zinc complex, 10-50 parts borax, 0.08-0.2 parts potassium indolebutyrate, 1-3 parts sodium nitrate-naphthaleneacetic acid complex, 0.3-1 part quercetin, 40-80 parts polyvinyl alcohol, 30-60 parts sodium hydroxymethyl cellulose, and 10,000-20,000 parts water; then soaking them in a second soaking agent for a second stage; and finally raising the seedlings. The method of this invention can promote the germination of sugarcane buds, increase the emergence rate of sugarcane seedlings raised by bud removal, improve the quality of sugarcane seedlings, promote the growth of sugarcane seedlings, shorten the seedling raising cycle, and improve the uniformity of emergence, which is conducive to the promotion and application of sugarcane seedling raising and transplanting technology.

The invention belongs to the technical field of herbicides, and particularly relates to a preparation method of a sugarcane field herbicide containing mesotrione, triclopyr and halosulfuron-methyl, and the preparation method comprises the following steps: S1, preparing mesotrione salt; s2, preparing triclopyr acetate; s3, preparation of a dosage form: adding auxiliary components which are allowed to be added in pesticide science into the mesotrione salt, the triclopyr and the halosulfuron-methyl active compound to prepare the pesticide preparation. According to the invention, the stability problem of compounding of three effective components, namely mesotrione, triclopyr and halosulfuron-methyl, is successfully solved, the compound herbicide with stable performance is prepared, and the market blank is filled; the production process is simplified, the production and packaging material cost is reduced, the production of packaging waste is reduced, and the environmental protection requirement is met; when farmers use the pesticide, independent proportioning is not needed, the operation is more convenient, and the pesticide application efficiency is improved; the product accords with national supervision policies on pesticide products, and can provide support for standard operation of production enterprises and scientific pesticide application of farmers.

The invention discloses a simple field evaluation method for the cold resistance of sugarcane, and the method comprises the following steps: collecting sugarcane leaf image data and environmental parameter data, and obtaining an original time sequence data set; extracting leaf color gradient and withering features by adopting an image processing algorithm, and determining a leaf sensitivity index sequence; performing trend fitting on the leaf sensitivity index sequence to obtain a leaf response change trend; fusing the environment factor data into a leaf response change trend, and determining an environment influence weight sequence; if a specific factor in the environmental influence weight sequence exceeds a preset threshold value, adjusting the leaf sensitivity index sequence to obtain a corrected sensitivity sequence; calculating an accumulated damage integral value according to the corrected sensitive sequence, and judging the cold-resistant potential level of the sugarcane; and comparing the cold-resistant potential levels of different varieties of sugarcanes to generate an evaluation report to obtain a field evaluation result of the cold resistance of the sugarcanes. The method can significantly improve the accuracy and reliability of sugarcane crop breeding decision.

The invention discloses a method for cultivating sugarcane seedlings by adopting sugarcane bud eyes, relates to the technical field of plant seedling raising and planting, and solves the problems that the existing sugarcane bud eye seedling raising technology is unfavorable for soil environment and agricultural sustainable development due to high dosage of chemical agents. The method comprises the steps of bud eye obtaining, physical disinfection and pretreatment, biological protection treatment, germination accelerating and seedling raising, seedling stage management and the like. The method can accelerate the breeding and popularization progress of local varieties in Guangxi sugarcane areas, provide high-quality and sufficient seed sources for sugarcane planting, improve the enthusiasm of farmers for planting sugarcane, promote healthy development of the sugarcane industry, effectively reduce the application amount of chemical fertilizers and pesticides, relieve the threat of excessive application of the chemical fertilizers and pesticides to the ecological environment, prolong the perennial root age limit and improve the yield of the sugarcane. The farming frequency and water and soil loss are reduced, and the agricultural ecological environment of the sugarcane area is remarkably improved.

The application discloses a kind of cultivation methods of high SOD content sugarcane and bamboo cane intercropping, comprising the following steps: seedling treatment;Land preparation planting;Planting period management;According to mature condition, batch harvest bamboo cane and sugarcane.The application is by applying specific fertilizer multiple times in the growth cycle of sugarcane, and using the mode of sugarcane and bamboo cane intercropping, increase the absorption effect of fertilizer in soil in the root of sugarcane, promote the generation of high content SOD active enzyme in sugarcane.

The application provides an application of a tubulicinomyces mesentericus in promoting growth and / or increasing yield of sugarcane, and belongs to the technical field of microorganisms. The tubulicinomyces mesentericus is easy to symbiotize with plants, has strong propagation capacity and can occupy a dominant ecological niche, can effectively promote the growth of sugarcane, increase the biomass of sugarcane plants, and then is beneficial to increasing the yield of sugarcane. The results of examples show that the tubulicinomyces mesentericus can significantly increase the plant height, stem diameter and fresh weight of sugarcane, and further increase the yield of sugarcane. The tubulicinomyces mesentericus can also rely on the efficient photosynthetic carbon fixation advantage of plants to increase the carbon fixation capacity of plants, promote the synergistic effect of plant and soil carbon sinks, and provide technical support for agricultural carbon sinks.

The application discloses a method for early planting of fruit sugarcane, and relates to the technical field of sugarcane planting. The specific steps are as follows: (1) seed stalk treatment: after single-bud or double-bud section seed stalks are soaked in clean water and dried, the seed stalks are stacked in a way that a layer of rotten organic fertilizer and a layer of seed stalks are alternated, and the seed stalks are covered with film and exposed to the sun for seed drying; when the seed stalk bud eyes are white, the treated seed stalks are obtained; (2) seedling raising and seedling hardening: the treated seed stalks are placed in a greenhouse for seedling raising; the greenhouse temperature is gradually controlled to be 20-25 DEG C, 15-20 DEG C and 10-15 DEG C; the seedlings are given light supplement and sprayed with proline water-fertilizer mixed solution; and transplanted seedlings are obtained; (3) field transplanting: the transplanted seedlings are transplanted into a field for planting; before transplanting, a planting ridge is formed; soil heat preserving agent is spread on the planting ridge; after the soil heat preserving agent is exposed to the sun for 2-3 days, the transplanted seedlings are transplanted, and then, the transplanted seedlings are irrigated with water, and an arched film is covered; when the minimum air temperature is higher than 15 DEG C, the arched film is removed; and the fruit sugarcane can be harvested. The method can realize early planting and early harvesting of fruit sugarcane in southern areas, and can prolong the growth period of fruit sugarcane, and improve the yield and quality of fruit sugarcane in northern areas.

The invention discloses a pseudomonas bainite 2143-2 strain and an application of the pseudomonas bainite 2143-2 strain. The pseudomonas bainii 2143-2 strain disclosed by the invention is preserved in the Guangdong Microbial Culture Collection Center on September 2, 2025, and the preservation number is GDMCC No: 66909. The pseudomonas bainii 2143-2 strain disclosed by the invention has the advantages that the pseudomonas bainii 2143-2 strain is preserved in the Guangdong Microbial Culture Collection Center on September 2, 2025; the pseudomonas bainite 2143-2 strain not only can effectively inhibit the growth of sugarcane smut and remarkably reduce the morbidity of sugarcane smut, but also can effectively inhibit the growth of sugarcane leaf spot bacteria, sugarcane red rot bacteria, sugarcane brown streak bacteria, sugarcane ring spot bacteria and sugarcane tip rot bacteria, and the antibacterial rate reaches 65% or above. The pseudomonas bainite 2143-2 strain can be used for biological prevention and control of sugarcane smut, sugarcane leaf spot, sugarcane red rot, sugarcane brown streak, sugarcane ring spot and sugarcane tip rot, and development of sugarcane fungal disease prevention and control products is facilitated.

The application provides a regional crop planting management method and device, and applies to the technical field of agricultural production management. The method comprises the following steps: determining a target crop according to a crop growth scene of a target region; performing global sensitivity analysis on a crop growth model based on physiological parameters of the target crop, soil parameters of the target region and management parameters, obtaining sensitive parameters, and performing localized calibration on the crop growth model based on the sensitive parameters; coupling a calibrated crop growth model with a pesticide transport model and a nutrient transport model to construct a comprehensive growth simulation system; combining soil parameters and cost factors of the target region; and traversing and simulating environmental and income changes under different planting strategies through the comprehensive growth simulation system to determine a target crop planting strategy.

The invention discloses a green prevention and control method for sugarcane borers, and relates to the technical field of crop disease and insect pest prevention and control. The green prevention and control method comprises the following steps: (1) thoroughly cleaning a garden in time after harvesting sugarcanes; (2) when newly planted sugarcanes are planted or ratoon sugarcanes are subjected to ridge breaking and stump loosening, biopesticide granules and decomposed farmyard manure are applied in planting ditches or nearby sugarcane stumps, and earthing and watering are carried out; the biopesticide granules are granules prepared by mixing a bacillus thuringiensis microbial inoculum and an auxiliary agent, and (3) interplanting spring soybeans among the sugarcane rows every year, continuously interplanting summer soybeans among the sugarcane rows after the spring soybeans are harvested, and applying pesticides to the soybeans and the sugarcanes in different areas during the planting period of the spring soybeans and the summer soybeans. According to the method, the bacillus thuringiensis fungicide, the auxiliaries and the decomposed farmyard manure are compounded for soil application, underground stem borers can be efficiently inhibited and killed, harm of sugarcane in the seedling stage is greatly reduced, meanwhile, the prevention and control effect of the natural enemy trichogramma can be exerted to the maximum extent through partitioned pesticide application, and the precise and efficient prevention and control effect is achieved.

The invention provides a regional crop planting management method and device, and is applied to the technical field of agricultural production management. The method comprises the steps of determining a target crop according to a crop growth scene of a target area; performing global sensitivity analysis on a crop growth model based on the physiological parameters of the target crop, the soil parameters of the target area and the management parameters to obtain sensitive parameters, and performing localization calibration on the crop growth model based on the sensitive parameters; coupling a calibrated crop growth model with a pesticide migration model and a nutrient migration model to construct a comprehensive growth simulation system, and traversing and simulating environment and income changes under different planting strategies through the comprehensive growth simulation system in combination with soil parameters and cost factors of the target area to determine a target crop planting strategy.

The present invention relates to a method for obtaining a plant embryogenic callus. More particularly, the invention relates to a method for obtaining a somatic embryo of a plant. More particularly, the invention relates to a method for obtaining seedlings. More particularly, the present invention relates to a method for producing synthetic sugar cane seeds. More particularly, the present invention relates to genetic modification methods. More particularly, the invention relates to synthetic seeds.

The invention discloses a multilayer solid carbon source medical fertilizer, a preparation method and application, and belongs to the field of agricultural medical fertilizers, the medical fertilizer is of a core-shell structure, and the medical fertilizer sequentially comprises an organic fertilizer core layer, a pesticide layer and a biostimulant layer from inside to outside; the organic fertilizer core layer contains organic fertilizer, the pesticide layer contains chlorantraniliprole and clothianidin, and the biostimulant layer contains humic acid substances. Through ordered release of the three layers of pesticide fertilizers, function synergy of'rhizosphere stimulation-pesticide release regulation and control-long-acting oxygen supply 'of the pesticide fertilizers is realized, the control effect and durability of the pesticide are promoted, meanwhile, pesticide injury is prevented, the absorption capacity and stress resistance of sugarcane are improved, and growth of the sugarcane and soil health are regulated and controlled.

The application discloses a method for controlling and inhibiting sugarcane acidification by using nitrogen-fixing bacteria, and relates to the technical field of controlling and inhibiting sugarcane acidification, and solves the problems that a combined nitrogen-fixing system formed by nitrogen-fixing bacteria and sugarcane is greatly affected by rhizosphere biological adversity, nitrogen-fixing effect is unstable, and nitrogen-fixing efficiency is low. The application reduces the use of nitrogen fertilizer in the whole growth cycle of the sugarcane, and applies a combined nitrogen-fixing bacterial agent and a promoting agent in the sugarcane seedling stage and the elongation stage, respectively. The combined nitrogen-fixing bacterial agent is Raoultella L03, Bacillus azoreus and Rhizosphaera sulcata, and the promoting agent is mannitol, glycerol, succinic acid, sodium molybdate, dipotassium hydrogen phosphate, magnesium sulfate, ferrous sulfate and glutathione. The application can make the nitrogen-fixing bacteria quickly form a combined nitrogen-fixing system with the sugarcane, so that the purposes of efficient nitrogen fixation, less nitrogen fertilizer application and soil acidification reduction are achieved.

The application discloses a sugarcane uniform seedling control tillering high-yield and high-sugar planting method, and at least comprises the following steps: seed stalk preparation and cutting, uniform seedling cultivation, tillering quantity control, seedling hardening and transplanting. The method can reduce the seed stalk input, improve the uniformity of sugarcane seedlings, realize quantitative density planting, avoid the uneven emergence leading to the lack of pond and broken ridge, reduce the carried pathogen source, reduce the field pesticide input, reduce the long sugarcane field growth period, increase the sugarcane growth time, and increase the sugarcane yield and sugar content.

The invention discloses a planting method for interplanting sugarcane and common head cabbage, which comprises the following steps: seed selection and seedling raising: selecting full and high-quality common head cabbage seeds for seedling raising; planting: when the common head cabbage seedlings grow to have four leaves and one core, preparing soil and digging holes between sugarcane rows, and transplanting the common head cabbage seedlings into a sugarcane field; field management; pest control; and harvesting. According to the planting method for interplanting the sugarcane and the common head cabbage, interplanting of the tall crop sugarcane and the short crop common head cabbage can remarkably improve the structure and the function of soil microbial communities, and then multi-aspect ecological and agricultural benefits are brought. Meanwhile, the growth of weeds is inhibited through competition among crops, and the weeding cost is reduced.

The invention provides an ecological cycle planting and breeding method for irrigating sugarcanes with tail water of frog breeding in a land-based round pond, which comprises the following steps: arranging a land-based round pond frog breeding system, and performing cycle treatment on the tail water in the land-based round pond; tail water obtained after circulation treatment is obtained, and solid-liquid separation treatment is carried out; a multi-stage storage system and a tail water allocation system are arranged, and tail water is stored and allocated through the multi-stage storage system and the tail water allocation system; acquiring growth data of sugarcane to be irrigated; setting a fuzzy control rule, and generating a tail water allocation strategy according to the growth data of the sugarcane and the fuzzy control rule; closed-loop allocation is carried out on tail water stored in the multi-stage storage system through a tail water allocation strategy and a PID (Proportion Integration Differentiation) controller; and the tail water obtained after blending is obtained and conveyed to a sugarcane field through a field irrigation pipe network for irrigation. According to the invention, solid-liquid separation and purification treatment can be carried out on the breeding tail water, the direct discharge pollution of the breeding tail water is reduced, and meanwhile, the chemical fertilizer input cost of a planting end is reduced.

This invention provides a method for obtaining highly resistant sugarcane varieties to smut using *Gesellus smut* hybrids, relating to the field of sugarcane breeding technology. This invention creates a highly resistant *Gesellus smut* hybrid A by crossing Yunnan 82-1 (resistant to smut) as the female parent with *Gesellus smut* Yunnan 2017-22 (resistant to smut) as the male parent. Then, a highly resistant smut sugarcane variety, CP72-3709, is crossed with A as the female parent to obtain hybrid B. Finally, a highly resistant smut sugarcane variety, CP89-2143, is crossed with hybrid B as the female parent to obtain hybrid C. Hybrid C, the offspring of these three crosses, is a highly resistant parent containing two *Gesellus smut* lineages. This invention allows for the crossbreeding of hybrid C with other highly resistant smut sugarcane varieties to obtain high-sugar, highly resistant smut sugarcane varieties. These high-sugar, highly resistant smut sugarcane varieties exhibit stable traits, and the hybrid offspring show significantly enhanced sugar content and smut resistance.

This invention discloses a planting method for sugarcane rotation, belonging to the field of crop cultivation technology. Addressing the problems of soil degradation, exacerbated continuous cropping obstacles, and excessive fertilizer input caused by long-term continuous sugarcane cropping, the method of this invention specifically involves: creating raised beds and furrows, forming furrows 20-45 cm deep and fallow ridges 80-150 cm wide; planting sugarcane in the furrows; from the late emergence stage to the jointing stage, using soil from the fallow ridges to perform two rounds of hilling, achieving a physical exchange of ridge and furrow positions; the following year, planting in the new furrows (i.e., the original ridge surface), with the original furrows left fallow, completing the inter-year rotation. Through 100% inter-year planting space replacement, combined with green manure incorporation into the ridge surface, the continuous cropping obstacles of sugarcane are effectively alleviated, and the soil physical and chemical properties are optimized; under conditions of reducing fertilizer application by 15%-25%, sugarcane yield increases by 5.5%-10.6%, and fertilizer partial productivity increases by more than 12.8%. This invention integrates crop rotation and fallow with soil cultivation techniques, is easy to operate, effectively overcomes the obstacles of continuous cropping of sugarcane, and achieves the goals of continuous soil fertility conservation and stable crop yield and efficiency.

The invention discloses a mining area reclamation sugar cane high-sugar and high-yield planting method for optimizing physical and chemical properties of Guangxi soil, and relates to the technical field of agriculture and environmental remediation. A formula is improved based on the typing preparation, and formula quantification parameters are output; applying the improved formula layer by layer according to depth to obtain layered application amount distribution data; selecting a pairing scheme according to the layered release amount distribution data and the layered physicochemical improvement result to obtain a paired plant group scheme; carrying out cultivation regulation and control based on the paired plant group scheme to obtain a sugar content and yield time sequence curve; the sugar and yield time sequence curve is used for triggering a monitoring-adjusting closed loop, and long-term stability treatment measures are output; according to layered application, an active modifier and a passivator are placed at key layers of crop main root system activity, so that root zone pores, ventilation and nutrition accessibility are preferentially improved, and the rhizosphere environment quality is improved without greatly changing the overall soil structure of the earth surface.

The invention discloses a light source combination device and method for inducing sugarcane flowering, and relates to the technical field of sugarcane flowering induction, the device comprises a growth monitoring module, a light source regulation and control module, an environment monitoring module, a central control module and a mounting bracket; the growth monitoring module identifies the growth stage of the sugarcane, and the central control module is combined to control the light source regulation and control module to dynamically adjust the illumination intensity, so that the problem that the fixed illumination intensity is not matched with the requirements of different growth stages of the sugarcane is avoided, and accurate adaptation of the illumination intensity along with the growth of the sugarcane is realized; normal physiological activities of sugarcanes in various growth stages are guaranteed, flower bud differentiation efficiency is improved, the light source units are installed in a non-uniform distribution mode, illumination requirements of different parts of sugarcane plants are met, the problem of insufficient illumination utilization caused by uniform light source distribution of an existing device is solved, it is guaranteed that all the parts of the plants can obtain proper illumination, and the quality of the plants is improved. The flowering induction effect is further promoted.

The invention relates to the technical field of sugarcane fertilization, and discloses an unmanned aerial vehicle precise variable fertilization method and system for sugarcane, and the method comprises the steps: collecting multi-source data of a sugarcane field, determining the nutrient demand of each position area through a machine learning algorithm, and determining the fertilization amount and the fertilizer ratio according to the growth stage and nutrient absorption characteristics of sugarcane. Determining a flight path and variable fertilization parameters of the unmanned aerial vehicle according to the fertilization amount and the fertilizer ratio, and generating a fertilization decision matrix; when the unmanned aerial vehicle works, real-time position coordinates are obtained, the spatial position and the corresponding fertilization amount in the fertilization decision matrix are determined according to the coordinates, and the fertilization amount between the two positions is processed through linear interpolation; the actual flight speed is obtained, the speed proportionality coefficient is calculated, the actual fertilizer flow control value is obtained, the fertilization flow of the unmanned aerial vehicle is controlled, and precise variable sugarcane fertilization is achieved. According to the invention, refining and intelligentization of sugarcane fertilization are improved.

The present invention relates to the field of biotechnology. More precisely, a gelatinous nutrient substrate containing at least meta-topolin and melatonin and the method of its production are described. An artificial seed is also described, which comprises a container filled with a nutrient substrate comprising at least melatonin and meta-topolin into which a plant propagule is placed. The invention also describes a method of in vitro plant hardening, in which meristematic and / or embryonic tissues grown in vitro are placed in a nutrient substrate comprising at least meta-topolin and melatonin with subsequent exposure to the stress conditions commonly found in the field, allowing the plant propagule to develop into an adult plant. Preferably, the meristematic and / or embryonic plant tissues used are those from plant species that can be propagated vegetatively.