10results about How to "Prevent excessive growth" patented technology

The invention belongs to the technical field of plant tissue culture, and particularly relates to a rapid tissue propagation method for radix ranunculi ternati. The rapid propagation method for the radix ranunculi ternati tissue comprises the following steps: (1) seed selection and disinfection: selecting vigorous seeds, cleaning the seeds, soaking the seeds with mercury bichloride, disinfecting the seeds with alcohol, and finally washing the seeds with sterile water; (2) preparing a primary induction culture medium: preparing the primary induction culture medium; (3) seed induction and proliferation: inoculating the disinfected seeds on a primary induction culture medium, and culturing; after 4-6 weeks of culture, the seeds germinate into plantlets; transferring the plantlets to a subculture induction medium for multiplication culture, and subculturing once every 3-4 weeks; (4) rooting culture: transferring the proliferation seedlings to a rooting culture medium, and culturing for 2-3 weeks until the adventitious buds can root to form complete plants; and (5) seedling hardening and transplanting. The method can improve the rooting rate and shorten the propagation time at the same time.

The utility model relates to the technical field of agricultural planting discloses a cucumber seedling cultivation and planting pot, including the pot body and the pot cover, and the pot cover is located at the top of pot body, be provided with seedling taking subassembly on the pot body for fast seedling taking, seedling taking subassembly includes the air cylinder fixed and installed in the bottom of pot body, the air cylinder bottom is provided with the air hole, and four air holes are symmetrically provided, the outer sealing sleeve of air cylinder is equipped with the sealing plate, the bottom of sealing plate is detachably installed with the connecting column, and three connecting columns are symmetrically arranged around the center of sealing plate, the connecting column is inserted in the bottom of pot body, and the connecting column and the bottom of pot body are sealed and slide connection, the bottom of connecting column is detachably installed with the moving plate, the air cylinder is sealed and slide connection with the slide rod, the top of slide rod is detachably installed with the filter screen, and the filter screen and sealing plate are provided with the soil loosening piece, the utility model solves the problem of difficult transplanting and seedling taking, poor soil permeability and influence seedling survival rate in the process of cucumber seedling cultivation through seedling taking subassembly.

The present application relates to the technical field of rice seedling strengthening, and provides a rice biological seedling strengthening agent, which comprises the following raw materials in parts by weight: 8-15 parts of a compound microbial agent, 20-30 parts of humic acid, 10-18 parts of a chelating agent, 0.2-0.8 parts of a plant growth regulator, 35-45 parts of an organic carrier and 0.5-1.2 parts of a biological penetrant. The present application can effectively improve the physicochemical properties of the rice seedling substrate, promote the development of the rice seedling root system and the thickening of the stem, and significantly improve the comprehensive stress resistance performance of the seedling, such as low-temperature resistance, drought resistance, disease and pest resistance, and lodging resistance, so as to improve the survival rate of the seedling, the yield and quality of the rice in the later period, and solve the problems of single fertilizer effect, weak stress resistance effect and easy seedling overgrowth of the existing seedling strengthening agent.

The invention belongs to the technical field of high-temperature alloy preparation, and relates to an oversized fine grain N06625 alloy plate and a rolling method and application thereof. The rolling method comprises the following steps: step 1, selecting a rolling blank with a specific specification; 2, the rolled blank is pretreated, and it is guaranteed that the surface of the rolled blank is free of cracks; 3, heating the rolled blank by using a heating furnace, and preserving heat; and 4, after heat preservation is finished, the alloy plate is discharged out of the furnace and subjected to large-deformation rolling, and the target N06625 alloy plate is obtained. The technical problems that a uniform structure and a fine grain structure are difficult to form in a traditional thermal forming process, and the risk of crystal mixing exists are solved; in addition, due to the fact that N06625 is difficult to form and a hot working window is narrow, N06625 can be formed into an oversized specification at a time through the method, the structure is uniform, and the grain size is larger than or equal to grade 8.

The utility model discloses an agricultural seedling raising device, which belongs to the technical field of seedling raising devices and comprises a constant-temperature seedling raising frame, two groups of seedling raising frames are arranged in the constant-temperature seedling raising frame, placing grooves are formed in the two groups of seedling raising frames, adjusting assemblies are arranged in the two groups of placing grooves, and the adjusting assemblies are connected with the constant-temperature seedling raising frame. The adjusting assembly comprises a rotating shaft and two sets of racks, a gear is fixedly installed on the outer side of the rotating shaft, the two sets of racks are meshed with the gear, redundant water sources after irrigation can be collected, filtered, pumped and refluxed to the water tank to be recycled, water can be evenly and accurately sprayed to crops in the seedling raising frame, and the water quality is improved. The device is simple in structure and convenient to operate, the position of the cultivation frame is convenient to disassemble and adjust, seedlings are convenient to take out for transplantation, inspection or replacement, and the position of the seedling cultivation frame can be flexibly and accurately adjusted according to the growth height of the seedlings.

This utility model discloses an artificial light source device suitable for strawberry cultivation in plant factories, including a lamp housing, an aluminum substrate, and a control panel. A light source module is fixedly connected to the surface of the aluminum substrate. The light source module includes four independent light source channels divided by wavelength: a first light source channel emitting 660nm red light, a second light source channel emitting 450nm blue light, a third light source channel emitting 730nm far-red light, and a fourth light source channel emitting 590nm yellow light. The LEDs are all COB LED packages and are welded to the aluminum substrate according to a uniform distribution and symmetrical arrangement. A driving circuit module corresponding to each light source module is fixedly connected to the other side wall of the aluminum substrate. This utility model can increase the sugar content of strawberry fruits and reduce the rate of deformed fruits, solving the problem of traditional general-purpose light sources having a single spectrum and being unable to adapt to the needs of different strawberry growth stages. Compared with traditional light sources that are manually adjusted, it can reduce manual maintenance time and lower the operating costs for growers.

The application discloses a citrus seedling rapid seedling and stock method, which comprises seed germination, seedling transplanting and light supplementing seedling treatment: full seeds in mature citrus fruits are selected, and then are sequentially subjected to stirring and soaking in 1% sodium hydroxide solution, soaking in composite disinfectant and cleaning treatment, and then are subjected to constant temperature germination with wet vermiculite; when the length of the seedlings reaches 6-8 cm and the stem thickness reaches 0.8-1.2 mm, the seedlings are transplanted into a seedling bag containing peat, vermiculite, coconut shell, perlite and natural soil; after the seedling transplanting and seedling, a root strengthening nutrient solution is applied, and the seedlings are subjected to LED light supplementing seedling treatment in a greenhouse with a red light and blue light ratio of 8:3, a canopy light intensity of 750 mu mol m-2 s-1 and a light period of 16h / 8h. Through the continuous cooperation of alkali treatment, composite disinfection, air-permeable substrate transplanting and directional red and blue light light supplementing, the germination uniformity and germination rate of the citrus seedlings can be improved, the root rot incidence can be reduced, the synchronous development of the root system and the stem thickness can be promoted, the citrus seedling stock period can be shortened, and the survival rate of the transplanted seedlings can be improved.

The utility model relates to an intelligent seedbed with automatic heating, heat preservation and water replenishing functions, which comprises a seedbed body, an electric heating wire heating system and a plurality of heat preservation layers, the seedbed body comprises a bottom plate and side plates arranged around the bottom plate, and a push-pull panel is arranged at a top end port of the seedbed body; the electric heating wire heating system comprises a heating steel wire net, and the heating steel wire net is arranged in a bottom plate or / and side plates of the seedbed body; the heat preservation layers are laid in the side plates on the periphery of the seedbed body and the push-pull panel respectively, when the heating steel wire mesh is powered on, the interior of the seedbed body is heated, and meanwhile heat loss is reduced through the heat preservation layers above seedlings and around the seedlings. According to the intelligent seedbed with the automatic heating, heat preservation and water supplementing functions, heating is achieved, the heat preservation effect is guaranteed, and the problem that existing seedbed seedling raising is insufficient in heat preservation and heating is solved.

The application belongs to the field of carbon monoxide treatment and catalytic oxidation in sintering flue gas, and discloses a preparation method and application of a ceria-supported bimetallic catalyst. A cerium source, a surfactant, a complexing agent and a crosslinking agent solution are mixed, and the pH is adjusted to make metal ions form hydroxide precipitates to obtain a precursor turbid solution. After hydrothermal reaction, the precursor turbid solution is filtered, washed, dried, ground and calcined to obtain a precursor powder. The precursor powder is dispersed, and a bimetallic solution is gradually added dropwise. The ceria-supported bimetallic catalyst is obtained through drying and calcination treatment. 3+ The surfactant, the complexing agent and the crosslinking agent are introduced to synergistically regulate Ce Hydrolysis, inhibit grain growth and construct three-dimensional network limited space, obtain small grain, large specific surface area, rich in defects of ceria carrier, make it uniform dispersion, enhance metal-support interaction, promote alloy phase or hetero-interface formation, so as to significantly improve the stability of catalytic active center, selectivity.

This invention relates to the field of agricultural fertilizer technology, and discloses a functional compound fertilizer containing a soil conditioner and its preparation method. The fertilizer provided by this invention is composed of nitrogen, phosphorus, and potassium sources, a compound soil conditioner, microencapsulated functional microbial agents, chelated trace elements, and a slow-release coating agent. The preparation method includes raw material pretreatment, step-by-step mixing, granulation, and coating processes. The fertilizer provided by this invention addresses the shortcomings of existing banana-specific fertilizers, such as poor synergy between soil conditioning and nutrient distribution, mismatch between fertilizer release and growth cycle, and limited stress resistance. It can precisely improve acidic banana plantation soil, achieve dynamic nutrient release, improve fertilizer utilization, reduce the incidence of banana wilt disease, significantly increase yield and fruit quality, is suitable for various cultivation models, and possesses both practical and environmental value.