61 results about "Leaf mold" patented technology

The invention provides a method for breeding spores of cibotium barometz and rejuvenating young spores. The method for artificially cultivating the Cibotium barometz, provided by the invention, comprises the following steps: separately planting sporophyte seedlings of the Cibotium barometz to be rejuvenated into a matrix, and carrying out rejuvenation culture; wherein the substrate is a mixture formed by mixing leaf mold and peat soil according to the volume ratio of (1-1.5): 1 or 1: 1, or a mixture formed by mixing leaf mold, white vermiculite and garden soil according to the volume ratio of 4: 1: 3. The method is low in cost, simple in technology, high in yield, high in seedling growth speed, suitable for large-scale batch production, capable of effectively meeting the rapid breeding requirement of the golden dog and capable of being widely applied to the fields of landscaping, medicinal production, scientific research and the like.

The present invention provides a novel saline-alkali land conditioner, comprising agricultural waste, pine needle soil, vermiculite, leaf mold, chlorella, bone meal, and EM bacterial agent, and the present invention relates to a green soil conditioner with innovative significance. The conditioner has a unique formula, and the raw materials are not only natural and environmentally friendly, but also easy to obtain. The advantage is that it can improve soil quality from multiple angles simultaneously, including adjusting pH value, increasing fertility, optimizing soil structure, improving water retention and permeability, and improving microbial environment.

The invention discloses organic nutrient soil and a manufacturing method thereof.The organic nutrient soil is prepared from, by weight, 25-30 parts of leaf mold, 20-25 parts of peat soil, 12-15 parts of perlite, 10-12 parts of vermiculite, 20-25 parts of organic fertilizer and 3-5 parts of biological inoculant.The organic nutrient soil contains abundant organic matter, nitrogen, phosphorus, potassium and other macroelements and multiple medium trace elements, the biological inoculants are added at the same time, and the organic nutrient soil has the advantages that the organic nutrient soil is rich in organic matter, nitrogen, phosphorus, potassium and other macroelements; the nutrient requirements of different plant growth stages can be met, healthy and strong growth of plants is promoted, and the stress resistance and quality of the plants are improved; by reasonably matching the raw materials such as the leaf mold, the peat soil, the perlite and the vermiculite, the nutrient soil has good air permeability, water drainage, water retention and looseness, soil hardening is effectively prevented, and a suitable growth environment is provided for plant roots; the manufacturing method is simple, is simple in process, is convenient to operate, does not need complex equipment and technologies, and is easy for large-scale production, popularization and application.

The invention relates to the technical field of cultivation soil screening, and discloses a cultivation soil screening device and method and application of the cultivation soil screening device and method in intelligent earthworm breeding. The device comprises a roller screening assembly, transmission assemblies are arranged on the two sides of the roller screening assembly, the roller screening assembly comprises a fixing frame, and an impurity removing assembly is arranged on the fixing frame; a plurality of annular frames are arranged on the outer surface of the fixing frame, and a screen drum is arranged between every two adjacent annular frames. Through dynamic operation of the impurity removal assemblies at different positions, the dynamic impurity removal and screening process is achieved, rotted leaves and impurities in leaf mold are prevented from adhering to the screen drum, screen mesh blockage is reduced, the screening efficiency is improved, soil particles can be better dispersed through the synergistic effect of the arc-shaped scraper and the spikes, the screening speed is increased, and the screening effect is improved. By effectively removing rotted leaves and other impurities in the soil, the uniformity of cultivated soil particles is ensured.

The invention provides a tomato disease identification method based on improved YOLOv8. The method belongs to the field of disease and pest identification, and comprises the following steps: firstly, collecting tomato disease images of different types including tomato early blight, late blight, leaf mold, spot blight, spot disease, mosaic virus and the like, and then carrying out image preprocessing and disease area labeling. And optimizing the YOLOV8 network model, wherein the optimization mainly comprises the step of introducing a MobileNetv4 model into an original network structure and the step of introducing an SEAM attention mechanism into an initial model network structure. Training the optimized tomato disease recognition model on the basis of a PyTorch framework, and setting proper model parameters and training times; and the trained model is verified to achieve relatively high recognition accuracy. And finally, deploying the constructed tomato disease identification model on a mobile terminal APP to realize real-time identification of field tomato diseases. The invention provides an accurate and rapid tomato disease identification tool, and aims to improve the agricultural production efficiency and the crop yield.

The invention discloses a method for controlling the growth condition of strawberry seedlings, and belongs to the technical field of strawberry seedling raising. The method for controlling the growth condition of the strawberry seedlings comprises the steps that illumination uniformity is adjusted, nutrient soil is prepared for strawberry seedling raising, and illumination uniformity adjustment comprises the steps that different numbers of LED lamp tubes are used for irradiating the growing strawberry seedlings, the illumination uniformity of strawberry seedling canopies is improved, and the energy efficiency ratio is increased; the preparation of the nutrient soil comprises the following steps: mixing and stirring the components of the nutrient soil to ensure the uniform distribution of the raw materials, then putting the nutrient soil into a planting pot, watering and wetting for strawberry seedling planting. The nutrient soil comprises the following components in parts by weight: 35-35 parts of leaf mold; 45 parts of the raw materials and 17 parts of vermiculite powder; 23 parts of perlite, and 23 parts of perlite; 30 parts of carbon nitride composite humic acid; 8 parts of the fertilizer and 5 parts of a mixed fertilizer; 7 parts, 1 part of mycorrhizal inoculant; and 3 parts. According to the method, the growth condition of the strawberry seedlings is cooperatively controlled by adjusting the illumination intensity and preparing the nutrient soil, so that the strawberry seedlings are developed in root system, thick and strong in leaf stems and free of plant diseases and insect pests, and the plant height and the leaf area of the strawberry seedlings are obviously increased after the seedling age is 30 days.

The invention discloses a shaping substrate for plant seedling raising and planting, and relates to the technical field of planting substrates, the shaping substrate for plant seedling raising and planting comprises the following components by mass: coconut fiber; fine coco coir; peat soil; an organic fertilizer; bark; straw powder; vermiculite; perlite; saw dust; calcium magnesium phosphate fertilizer; pond sludge; leaf mold; rice chaff ash; hard particles; and a plant growth regulator. According to the substrate disclosed by the invention, the original loose substrate is subjected to standardized shaping, and standardized production, optimized structural design and efficient resource utilization are utilized, so that high efficiency, environmental protection and economization of plant seedling culture and planting are realized, and the production efficiency, the resource saving rate and the plant growth quality are remarkably improved; meanwhile, diseases are reduced, pesticide use is reduced, the operation environment is improved, and healthy development of roots is promoted.

The invention discloses a method for preparing a soil conditioner for gardenia cultivation by using immobilized compound bacteria, which comprises the following steps: extracting gardenia lignin by using gardenia waste as a raw material, and preparing an inner-layer wall material to embed a mixed bacteria solution to obtain lignin inner-layer microcapsules; preparing an outer-layer wall material through modified chitosan, and compounding and curing the inner-layer microcapsule, the hydrogenated streptomyces liquid and the outer-layer wall material to obtain the immobilized composite microbial agent. And finally, mixing the immobilized complex microbial inoculant with matrixes such as leaf mold and peat soil to obtain the modifier. Ordered release of compound bacteria is realized through dual response, functional synergy of Rafissonia, Ochrobactrum and Streptomyces hydrogenii can be enhanced through population signal molecule modification, soil nutrients can be activated, effective iron can be chelated to solve the problem of iron deficiency yellowing of cape jasmine, soil pollutants and pesticide residues are degraded, and the soil quality is improved. Pathogenic bacteria reproduction is inhibited, and rhizosphere micro-ecological balance is maintained; plant hormones can be secreted to promote the growth of the cape jasmine, and the cape jasmine is converted into more components with high medicinal value.

The invention discloses a tool for splicing a wax mold of a complex hollow thin-wall guider and a preparation method of the tool. The tool comprises a splicing tool and a plurality of frame type supporting pieces, the frame type supporting piece is used for installing a single-blade mold core so as to form a single-blade mold core assembly with the frame type supporting piece; the single-blade mold core assembly is used for being placed in a single-blade mold to conduct wax injection pressing on a single-blade mold core so as to form a single-blade wax mold assembly with a frame type supporting piece. The multiple single-blade wax mold assemblies are used for being installed in the splicing tool in the circumferential direction, and the side portions of the single-blade wax molds of every two adjacent single-blade wax mold assemblies make contact with each other and form opposite seams. The splicing tool is provided with a radial positioning assembly used for being matched with the frame type supporting pieces of the multiple single-blade wax mould assemblies, a plurality of angular positioning assemblies used for being matched with the multiple frame type supporting pieces one by one, and a plurality of pressing assemblies used for pressing the multiple frame type supporting pieces one by one. Therefore, the problems that a plurality of single-blade wax molds are low in positioning precision and easy to deform in the tool are solved.

The invention provides a high and steep slope soil aggregate modifier based on a carbon component and a preparation method thereof, and belongs to the field of soil improvement and ecological restoration, and the modifier comprises the following raw materials: a granular organic carbon source, a mineral binding organic carbon source, a nanometer and microbial stabilizer and the like. A preparation method of the modifier comprises the following steps: mixing the humic acid, the leaf mold and the pine needle mulch, putting the mixture into a sodium hexametaphosphate solution, reacting, drying, and grinding to obtain the mineral bound organic carbon source; the preparation method comprises the following steps: uniformly mixing a granular organic carbon source, a mineral combined organic carbon source, nano CaCO3, a microbial stabilizer and the like, adding water, fermenting to obtain a fermentation product, drying, and crushing to obtain the modifier. According to the modifier, through the synergistic effect of multiple components, the ecological function of high and steep slope degraded soil is effectively recovered, the aggregate structure stability of the improved soil can be improved, and the long-term stability of aggregates and the organic carbon storage capacity are enhanced.

The invention discloses a potted bulb flower dwarfing treatment method, and belongs to the technical field of plant cultivation. According to the method, grass carbon, perlite and leaf mold are used as cultivation substrates to cultivate bulb flowers, and 12-15 days after planting, chlormequat chloride is used for root irrigation treatment on plants, or chlormequat chloride or uniconazole is used for foliage spraying treatment on the plants until 2 / 3 of the plants have buds; the cultivation temperature after planting is 9.5-10 DEG C, and after planting is conducted for 17-20 days, the plants are moved to the environment with the temperature being 15-19 DEG C and the relative humidity being 50-60% to continue to be cultivated. According to the method, the plant height control effect is good, the number of flower buds and the number of formed flowers can be increased, the length of the flower buds is increased, the flowering phase is prolonged, the ornamental value of plants is improved, the production cost is reduced, and the market competitiveness and economic benefits of potted flowers are greatly improved; the selected culture substrates are all renewable resources, and environmental protection and agricultural sustainable development are facilitated.

The invention belongs to the technical field of edible fungus cultivation, and particularly relates to a tricholoma matsutake culture medium based on tunnel fermentation and a tricholoma matsutake semi-artificial cultivation method. The tricholoma matsutake culture medium comprises 45-55% of wheat straw, 10-20% of soybean meal, 19-21% of Korean pine leaves and 14-16% of leaf mold; a secondary tunnel fermentation process is adopted to prepare the feed additive, high throughput is adopted in primary fermentation, and low throughput is adopted in secondary fermentation. The semi-artificial cultivation method of the tricholoma matsutake comprises the following steps: inoculating a tricholoma matsutake strain into a liquid culture medium, fermenting to obtain a liquid strain, then mixing the liquid strain with the tricholoma matsutake culture medium, and pre-culturing to obtain an inoculation material; burying the inoculation material in a tree pit, covering a mixture of decomposed pine needles and black sandy soil and living moss on the inoculation material, and culturing. The tricholoma matsutake culture medium is high in fermentation efficiency and low in fermentation energy consumption, the mycelium planting rate is high when the tricholoma matsutake culture medium is used for tricholoma matsutake culture, and the tricholoma matsutake semi-artificial cultivation method is high in mycorrhiza forming rate, high in annual yield and low in sporocarp malformation rate.

The invention discloses a coprinus comatus strain for promoting seed germination of cremastra appendiculata and application of the coprinus comatus strain, the strain is separated and screened from root tissues of cremastra appendiculata, the strain is identified as coprinus comatus through ITS (internal transcribed spacer) sequencing, the Latin name is Coprinella micaceus, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) NO: 42051. The strain is inoculated into a liquid culture medium for shake culture, and mycelia are collected and mixed with sterile vermiculite and turfy soil to prepare a fungicide; the method comprises the following steps: laying a sterilized culture medium formed by mixing leaf mold, perlite and bark in a sterile culture container, spreading a fungicide, spreading the treated azalea seeds, covering the culture medium, and culturing by controlling the temperature, the illumination condition and the relative humidity. According to the method, the germination rate of the rhododendron simsii seeds can reach 60%-70%, the germination time is shortened to 15-20 days, the survival rate of seedlings is high, operation is easy and convenient, cost is low, the method is suitable for large-scale breeding and resource protection of the rhododendron simsii, and a new thought is provided for research on symbiotic germination of orchid plants.

The invention discloses a fertilizer for Chinese herbaceous peony planting and a planting method for improving the comprehensive economic value of Chinese herbaceous peony, and relates to the technical field of biology. The fertilizer comprises a microbial composition for preventing and treating the leaf mold of the Chinese herbaceous peony, and the microbial composition comprises bacillus spinizenii and chaetomium globosum. The microbial composition comprises bacillus spinizenii and chaetomium globosum. The planting method comprises the step of planting soybeans in the planting process of the Chinese herbaceous peony. The planting process of the Chinese herbaceous peony also comprises a step of applying the fertilizer to the Chinese herbaceous peony. The fertilizer can significantly promote the growth of radix paeoniae alba and reduce the occurrence rate of leaf mold, and the planting method can achieve efficient utilization of land resources and improve the comprehensive economic value of agricultural planting.

The invention relates to pseudomonas wrinkularis capable of resisting botrytis cinerea, leaf mould and early blight bacteria of tomatoes and application of the pseudomonas wrinkularis. The pseudomonas wrinkularis is pseudomonas wrinkularis YC-2305, and the preservation number of the pseudomonas wrinkularis YC-2305 is CGMCC (China General Microbiological Culture Collection Center) NO.29940; the thalli and the fermentation liquor of the Pseudomonas wrinkularis YC-2305 disclosed by the invention have relatively strong antibacterial activity on various fungal diseases of tomatoes, and the antibacterial effect is lasting and stable, so that the Pseudomonas wrinkularis YC-2305 has a huge potential of developing a novel, efficient and broad-spectrum biocontrol bactericide from the Pseudomonas wrinkularis YC-2305.

The invention belongs to the technical field of Rhododendron acanthopanax cultivation, particularly relates to a method for cultivating Rhododendron acanthopanax in an alkaline soil area, and aims to solve the problem that large-scale open field cultivation and landscaping application of Rhododendron acanthopanax cannot be realized in the alkaline soil area in the prior art, the invention provides the following scheme: the method comprises the following steps: S1, selecting the alkaline soil area, and deeply plowing alkaline soil; s2, leaf mold, peat soil and pine needle mulch are applied to the deeply ploughed soil, and acid fertilizer is applied; s3, planting holes are dug in the treated alkaline soil area, and drainage ditches are dug near the planting holes; s4, selecting bottom-removed root control containers, arranging the bottom-removed root control containers in the planting holes, laying gravels and ceramsite at the bottoms of the containers, and filling the gravels and the ceramsite with a culture medium; according to the method, the alkaline soil is treated, the culture medium is selected, and meanwhile, through precise irrigation and illumination regulation, the problem that the rhododendron acanthopanax in the alkaline soil area grows poorly can be effectively solved.

The utility model relates to an epipremnum aureum flowerpot with good root damage prevention effect, which belongs to the technical field of flowerpots, and comprises a frame body and a glass vase, four corners of the lower surface of the frame body are provided with support blocks, the front, back, left and right sides of the frame body are provided with decorative patterns, and a connecting mechanism comprises rectangular cylinders arranged on the left and right sides of the bottom wall of the inner cavity of the frame body. According to the scindapsus aureus flowerpot with the good root damage prevention effect, the soil layer is made of mixed soil of leaf mold and perlite in the proportion of four to one, meanwhile, water in the frame body can be sucked into the moisturizing cotton layer through the water absorption cotton strips on the left side and the right side, the moisturizing cotton layer can keep the soil layer moist, and in winter, the soil layer can be kept wet; when the temperature value of the soil layer is lower than a threshold value set by the temperature sensor, the temperature sensor sends a signal to the controller, and the controller turns on the signal lamp and flickers to prompt people to take temperature rise measures, so that the condition that roots of scindapsus aureus in the flowerpot are damaged can be reduced.

The utility model discloses a michelia alba sapling seedling substrate automatic stirring and mixing device which comprises a frame body, a hydraulic cylinder is installed at the position of the frame body, the output end of the hydraulic cylinder is connected with a plate body, a motor is installed at the position of the plate body, the output end of the motor is connected with a stirring rod, and the stirring rod is rotationally connected with the plate body through a bearing. The plate body is connected with a box body, the box body is connected with a cover body, the cover body is rotatably connected with the stirring rod through a bearing, and one end and the other end of the box body are rotatably connected with round rods. The motor drives the stirring rod to rotate, and the round rod and the feed port cross plate are driven to rotate synchronously by means of the first bevel gear and the second bevel gear. The cross plate controls flow to feed, so that the substrate is prevented from being accumulated in the tank body, the initial distribution during feeding is improved, the problem of non-uniform mixing of raw materials such as leaf mold is effectively relieved, the substrate component difference after stirring is reduced, and the seedling raising quality of michelia alba seedlings is improved.

The utility model discloses a willow-leaf-shaped mold, relates to the technical field of fish jigs, and aims to solve the problem of low efficiency of single freezing of fish cubes, the willow-leaf-shaped mold comprises a cover plate and a bottom plate, willow-leaf-shaped grooves are formed in the cover plate and the bottom plate, and limiting grooves are reserved in the four edges of the cover plate. A water outlet is reserved between every two adjacent limiting grooves, opening grooves are reserved in the left end and the right end of the cover plate, limiting protruding blocks are installed on the four edges of the bottom plate, a water outlet is reserved between every two adjacent limiting protruding blocks, and handle grooves are formed in the left end and the right end of the bottom plate. According to the utility model, the manpower for slicing fish slices and placing the fish slices into the mold can be saved, and the whole set of forming work can be finished by only more than ten workers, so that the labor cost is obviously reduced, and the product quality is obviously improved. And meanwhile, the production process is more efficient and smoother, and the working efficiency is improved.

The invention relates to the technical field of plant disease prevention and control, and specifically discloses a method for preventing and controlling grapefruit diseases. Specifically, the invention proposes a prevention and control method of spraying eucalyptus leaf extract or ginkgo fruit extract on grapefruits that are diseased in the young fruit stage, wherein the disease is black spot disease caused by Phyllosticta citriasiana, and the preparation method of the extract comprises the following steps: using an immersion method, using 95% ethanol as a solvent for immersion, filtering, and concentrating to obtain the extract. Experiments of the invention show that the eucalyptus leaf extract can effectively prevent and control the grapefruit black spot disease caused by the infection of Phyllosticta citriasiana, and the prevention efficiency is as high as 82.26%. The research provides a green and sustainable approach for the prevention and control of grapefruit black spot disease, and is expected to reduce the occurrence of the disease.

The invention provides a special culture medium suitable for camellia nitidissima and a preparation and application method thereof, and relates to the technical field of camellia nitidissima culture. The culture medium is mainly composed of stack retting tea seed meal, leaf mold, perlite, rice husk charcoal, river sand and a specific trace element slow-release bag according to specific weight parts. The culture medium is applied to golden camellia culture. Through organic combination of substrate components and cultivation management, on the basis of ensuring robust growth of camellia nitidissima plants, the problem that active ingredients of camellia nitidissima flowers are difficult to enrich directionally in the prior art is effectively solved, and finally, the content of key active ingredients such as polysaccharides and flavones in the camellia nitidissima flowers is remarkably increased; the synergistic effects of promoting growth, resisting diseases and improving quality are achieved.

This invention discloses a method and system for detecting tomato leaf diseases based on MSCB-YOLOv11, belonging to the field of agricultural disease detection technology. The method includes: collecting images of early blight, late blight, leaf mold, leaf spot, and healthy leaves of tomatoes to construct an initial dataset; preprocessing and labeling the images to obtain a standardized dataset; improving the YOLOv11 network by replacing the C3k2 module in the backbone network with a self-developed multi-scale edge information selection module C3k2-MSES, replacing the upsampling module in the neck network with a high-efficiency, lightweight upsampling convolutional block EUCB, and replacing the C2PSA module in the backbone network with a pyramid self-attention module C2PSA-LRSA that integrates low-resolution self-attention, thus constructing an MSCB-YOLOv11 model; training and validating the model using the standardized dataset; inputting the image to be detected into the trained model, and outputting disease category and location information. This invention effectively improves the detection accuracy of small target lesions and adaptability in complex scenarios, achieving a significant improvement in detection performance while maintaining real-time performance.

The invention relates to the technical field of rapid detection of diseases, in particular to a tomato leaf disease real-time data rapid detection method which comprises the steps that a data set is generated based on a leaf image of tomato diseases, and the diseases comprise early blight, leaf mold and late blight of tomatoes; constructing a matrix expression model according to each leaf image feature in the data set, and performing feature filtering on the matrix expression model by using a volume sliding mode surface function; based on the filtered image feature model, feature re-extraction is carried out on the image feature model by using a normalization function; for the image feature model after feature re-extraction, calculating an observation error by using a model compensation observer; a control input vector of a volume sliding mode filtering fixed time is designed according to an observation error, and a tomato disease detection model is constructed in combination with a Lyapunov function, so that the model is higher in small target recognition rate and better in convergence, the tomato leaf recognition rate and detection speed are improved, and the tomato sampling leaf data image transmission and acquisition stability is improved.

The utility model relates to the technical field of composite material preparation, in particular to thermal equipment for preparing a maple leaf mold composite material. The thermal equipment comprises a bottom plate, a heater, a tank body, a supporting assembly, a height adjusting assembly, a stirring assembly, a conveying assembly and a fixed bracket, compared with the existing heating equipment for preparing the mold composite material, the heating module is usually fixed below or inside the raw material storage device, so that the heating module is difficult to maintain and replace after being damaged, and the heating module is also difficult to maintain when the heating module is usually used; according to the utility model, the heater is mounted by arranging the mounting box, and the mounting box is mounted by arranging the supporting bracket, so that the mounting box can be conveniently and freely fed into or pulled out of the lower part of the tank body, the heater mounted above the mounting box can be conveniently and daily maintained, and the heater can be conveniently replaced after being damaged; the flexibility of the whole device is improved.

The invention discloses a garden fallen leaf treatment device, and belongs to the technical field of garden maintenance, the garden fallen leaf treatment device comprises a base frame, an edge changing mechanism, an adsorption module, a lifting mechanism, an outward turning adjusting mechanism and an oblique angle adjusting mechanism, and the upper surface of the base frame is provided with a leaf mold manufacturing mechanism corresponding to the conveying end of the adsorption module. Through the linkage driving effect of a first electric telescopic rod and a third servo motor which are installed in the outward turning adjusting mechanism, a pipe opening of a telescopic guide pipe used for adsorbing fallen leaves can be adjusted in real time, in cooperation with a fourth servo motor of the oblique angle adjusting mechanism, the adsorption end can stretch out to the outer side, and turning over and moving like a snake are conducted according to needs, so that the fallen leaves are adsorbed, and the fallen leaves are adsorbed. And the pipe opening of the telescopic guide pipe is driven to surround the outer side of the tree trunk from the two ends for adsorption, fallen leaves on the inner side of the area can be thoroughly cleaned away without moving the device, and the problem that fallen leaves on the periphery of the tree are difficult to thoroughly clean away through a fallen leaf collecting and processing device in the prior art is effectively solved.

The invention relates to the technical field of tree seedling raising, and discloses a shiny-leaved yellowhorn tree seedling raising method which comprises the following steps: S1, seed screening and grading: selecting mature shiny-leaved yellowhorn seeds, and grading through physical screening, specific gravity screening and quality detection to obtain primary and secondary seeds; s2, seed pretreatment: performing gradient temperature soaking, composite enzymolysis, magnetic field activation and variable temperature stratification treatment on the graded seeds; s3, preparing a seedling substrate, namely mixing leaf mold, garden soil, river sand, decomposed organic fertilizer and ceramsite in parts by weight, and adding a bactericide, a rooting agent and a slow-release fertilizer; s4, intelligent seeding: selecting a seedling raising tray of a corresponding specification according to the seed grade, and performing accurate seeding by adopting automatic seeding equipment; s5, seedling stage management: regulating and controlling the temperature, humidity, illumination and carbon dioxide concentration of a seedling raising environment by utilizing an intelligent environment control system, and combining precise water and fertilizer management, comprehensive pest control and staged seedling hardening treatment.

The present disclosure provides a method for reducing dinitrogen monoxide emission from a soil composition containing a nitrogenous fertilizer. The soil composition contains a base soil and the nitrogenous fertilizer. The method for reducing dinitrogen monoxide emission comprises mixing decomposed leaf matter with the base soil and adjusting the mixed proportion of the decomposed leaf matter to 50 vol% or more of the total of the base soil and the decomposed leaf matter.

The invention provides a bamboo bonsai soil water retention composite structure and a construction method thereof, and relates to the technical field of gardening cultivation, a gradient ceramsite drainage layer and a coarse ceramsite bottom layer are high in porosity and rapid in drainage, a fine ceramsite upper layer nano silicon dioxide coating reduces the drainage speed, a gradient drainage channel is formed, and the drainage-water retention contradiction is solved; dynamic water balance is realized. The three-dimensional composite non-woven fabric interlayer and the two modified non-woven fabric sandwiched water retention-ventilation functional layer prevent ceramsite from being mixed with upper soil, and the effect of assisting water retention and ventilation is achieved. Ceramsite-biochar composite particles of the microorganism-mineral improvement layer are inoculated with a phosphate-solubilizing and potassium-solubilizing microbial agent, so that nutrients are adsorbed and converted, and nutrient loss is reduced. The breathable and water-retaining planting layer is formed by mixing leaf mold, perlite and bamboo fibers, microbial fermentation organic fertilizer is added, the breathable and water-retaining planting layer is loose and breathable, nutrients are provided for root system growth, the root system microenvironment is optimized, healthy growth of the root system is assisted, and cooperative regulation and control of dynamic moisture balance and healthy growth of the root system are achieved.

The purpose of the present invention is to provide a tomato plant that has resistance to root-knot nematode and leaf mold. One aspect of the present invention pertains to a tomato plant that has resistance to root-knot nematode and leaf mold, said tomato plant having, in a coupled phase, Mi-1 gene that imparts resistance to root-knot nematode and Cf-5 gene that imparts resistance to leaf mold. Another aspect of the present invention pertains to a DNA fragment including the Mi-1 gene and the Cf-5 gene.

The invention relates to the technical field of spray-seeding, and discloses a silicate mineral weathering alkali-induced rock slope spray-seeding ecological restoration method which comprises the following steps: cleaning and leveling an alkaline bedrock slope containing silicate minerals; uniformly spraying a phosphoric acid solution on the surface of the bedrock slope, and then laying a micro covering film to form a neutralization layer; spraying a mixture of sulfur powder and leaf mold on the surface of the neutralization layer to form a slow release layer; borrowed soil spray seeding is performed on the surface of the slow release layer, and herbaceous plant seeds are mixed in borrowed soil. According to the method, a phosphoric acid solution is adopted as a neutralization layer material, and the sulfur powder and the leaf mold are adopted as slow-release layer materials, so that the alkaline environment of the slope body can be quickly improved through the synergistic effect of the neutralization layer and the slow-release layer when the ecological restoration is performed on the alkaline environment slope body, and the stability of the acid-alkali environment of the slope body can be maintained for more than one year. The construction technology is basically similar to a traditional soil dressing spray seeding process, a better effect is achieved at the low construction cost, and the method is suitable for large-scale application and popularization.