20 results about "Broad-leaved tree" patented technology

The utility model provides an absorptive article. The absorbent article (1) has a longitudinal direction, a width direction, and a thickness direction that are orthogonal to each other, and is provided with an absorbent core (11) having pulverized fibers, the absorbent article (1) being characterized in that broad-leaved tree fibers formed from broad-leaved trees are included in the pulverized fibers, and an oil agent (Y) that promotes the diffusion of excreta is provided in the absorbent core (11). In either the longitudinal direction or the width direction, when the absorbent core (11) is divided into three equal parts, one side part, a central part and the other side part are sequentially arranged from one side, and the weight per unit area of the oil agent (Y) arranged in the central part is higher than the weight per unit area of the oil agent arranged in the one side part.

The invention relates to the technical field of artificial domestication and cultivation of edible fungi, in particular to a wild tremella aurantialba artificial domestication and cultivation solid culture medium which comprises the following components in percentage by mass: 45-60% of broad-leaved tree decomposed sawdust, 15-25% of cottonseed hull, 8-12% of wheat bran, 3-5% of corn flour, 1-2% of cane sugar, 1-1.5% of calcium carbonate, 0.2-0.4% of monopotassium phosphate, 0.1-0.2% of magnesium sulfate, 0.05-0.1% of a compound activator and the balance of water. According to the culture medium, the raw material ratio is specifically optimized, the rotten broadleaf sawdust is selected to be matched with the cottonseed hulls, the rotten wood environment for growth of the wild tremella aurantialba is simulated, meanwhile, the composite activating agent is added, the co-living property of tremella aurantialba hyphae and associated stereum hirsutum is enhanced, the planting rate of the wild tremella aurantialba hyphae can reach 96% or above and is increased by 15%-20% compared with an existing conventional culture medium, and the yield of the wild tremella aurantialba hyphae is increased by 90% or above. The problems of difficult field planting and low survival rate in the initial domestication stage of wild tremella aurantialba are solved.

This invention discloses a method for cultivating Ganoderma lucidum using pine sawdust as a substrate, belonging to the field of edible and medicinal fungi cultivation technology. This invention uses pine sawdust and decayed pine sawdust as the main cultivation materials, combined with rice bran and various nutrient supplements to prepare a special culture medium. The total triterpenoid content of the cultivated Ganoderma lucidum can reach up to 1.408%, which is 2.01 times that of conventional broadleaf tree sawdust culture medium and 2.56 times that of straw culture medium. This invention not only improves the medicinal quality of Ganoderma lucidum but also realizes the high-value utilization of agricultural and forestry waste such as pine and fir sawdust, alleviating the pressure of raw material shortage in the edible and medicinal fungi industry, reducing production costs, and is suitable for large-scale promotion and application.

The invention discloses an unmanned aerial vehicle laser radar point cloud-based broad-leaved tree branch structure reconstruction method. The method comprises the steps of obtaining an unmanned aerial vehicle laser radar point cloud of a broad-leaved tree body in a defoliation period; dividing the unmanned aerial vehicle laser radar point cloud into a plurality of voxels; selecting a point closest to the gravity center of the voxel in the voxel as a skeleton point; establishing a connected graph; reconstructing a material transportation path from the tree root point to each skeleton point; extracting a branch tip point; extracting a substance transportation path from a tree root point of the broad-leaved tree to the highest branch tip point as a primary branch skeleton, and extracting substance transportation paths from other branch tip points except the highest branch tip point to the primary branch skeleton as candidate secondary branch skeletons; extracting a secondary branch skeleton; optimizing the first-stage branch skeleton and the second-stage branch skeleton by using a recursive smoothing method to obtain an optimized first-stage branch skeleton and an optimized second-stage branch skeleton; and branch structure parameters of broad-leaved trees are extracted. According to the method, the branch structure of the broad-leaved tree can be efficiently and accurately reconstructed.

The invention discloses a ganoderma lucidum cultivation method based on a taxus chinensis substrate, which comprises the following steps: S1, substrate preparation: uniformly mixing the following components in percentage by weight: 20-35% of crushed taxus chinensis branches and leaves, 10-20% of taxus chinensis bark extraction residues, 20-25% of inonotus obliquus leavening, 10-15% of slow-release nutrition bags, 10-20% of broad-leaved tree sawdust and 5-10% of auxiliary materials to obtain a basic substrate; s2, substrate pretreatment: sequentially carrying out stepped enzymolysis, directional fermentation and microwave-assisted extraction treatment on the basic substrate to obtain a pretreated substrate; s3, cultivation management: putting the pretreated substrate into a cultivation container, inoculating ganoderma lucidum strains in a laminated manner, and sequentially performing environment regulation and control in a hypha growth stage, a sporocarp differentiation stage and a sporocarp growth stage to cultivate ganoderma lucidum; and S4, harvesting: when white growth circles on the edges of the ganoderma lucidum sporocarp disappear, pilei are uniform in color and spores start to be ejected, harvesting the sporocarp, and completing ganoderma lucidum cultivation.

The invention belongs to the technical field of remote sensing data processing, and provides a remote sensing inversion method and system for the leaf area index of a coniferous and broad-leaved mixed forest and application, and the method comprises the steps: obtaining spectral data and observation geometric parameters of the coniferous and broad-leaved mixed forest in a research region; acquiring optical element characteristics of coniferous tree species and broad-leaved tree species matched with the remote sensing image wave band; based on observation geometric parameters, optical element characteristics and canopy structure parameters, forward simulation is carried out in combination with a forest heterogeneous canopy random radiation transfer model, a canopy reflectivity lookup table is generated, and the canopy structure parameters comprise a needle-broad mixing ratio with a plurality of discrete gradient values; screening an optimal solution set from the canopy reflectivity lookup table based on a dual-band differential error threshold and inverting a leaf area index; and performing inversion uncertainty and inversion precision evaluation on the inversion leaf area index by adopting a statistical index. The method is high in inversion precision and success rate, and the inversion result can be quantified and is high in reliability.

This invention provides a high-yield method for cultivating *Agaricus bisporus* under forest cover in northern China, relating to the field of edible fungi cultivation technology. The method includes the following specific steps: Step 1: Preparation of the planting substrate. By weight percentage, select 50% whole threshed corn cobs, 15% rice husks, 10% broadleaf tree sawdust, and 25% pre-fermented cow and sheep manure, and prepare the materials for later use. Step 2: Substrate pre-fermentation treatment. In northern regions, pre-fermentation begins in early April. Cow and sheep manure is piled up for pre-fermentation one month in advance. When the pile temperature reaches 60℃, it is turned over, and a total of three turns are performed to complete the pre-fermentation. This invention provides a high-yield method for cultivating *Agaricus bisporus* under forest cover in northern China, making full use of local agricultural and forestry waste and idle forest resources. Through optimized substrate formulation, standardized fermentation control, and a dual-cycle fruiting mode adapted to the northern climate, it achieves high-yield, high-quality, and long-cycle cultivation of *Agaricus bisporus*.

The invention discloses a method for artificially promoting natural renewal of cathaya argyrophylla, which comprises the following steps: forest stand thinning: properly cutting broad-leaved trees in cathaya argyrophylla communities, forming forest gaps around cathaya argyrophylla seed trees and under-forest saplings, and keeping the forest stand canopy density at 0.5-0.6 after cutting; litters on the vacant land in the forest windows are cleaned and stacked to the periphery of the seedlings of the cathaya argyrophylla saplings, the vacant land in the forest windows is loosened, and the soil loosening depth is about 2-3 cm; and tending management: cleaning miscellaneous irrigation weeds and pests which influence the growth of the seedlings around the cathaya argyrophylla saplings in the forest windows, and carrying out stump cultivation and topdressing. According to the method, forest gaps are formed through forest stand thinning, under-forest illumination is increased, and growth of the silver fir saplings is promoted; through manual soil loosening, the contact probability of the cathaya argyrophylla seeds and soil is increased, and the germination rate of the cathaya argyrophylla seeds is increased; meanwhile, through tending management, growth of the seedlings of the cathaya argyrophylla saplings is promoted, and the purpose of promoting renewal of the cathaya argyrophylla forest is achieved.

The invention discloses a seedling raising method for a Chinese fir broad-leaved tree multi-layer mixed forest, and belongs to the technical field of forestry seedling raising. Aiming at the technical problems that the fir and the broad-leaved tree have malignant competition and are difficult to form symbiotic relationship during mixed cultivation, a double-cavity integrated symbiotic cultivation container is adopted, a degradable isolating membrane is arranged in the container, and the fir and the broad-leaved tree are respectively placed in special functional matrixes of a main cavity and an auxiliary cavity for cultivation. Physical isolation is performed in the early stage of seedling raising, and the isolation film is degraded in the later stage to guide root system interweaving to form co-rooting lumps. According to the method, interspecific competition is effectively solved, and the survival rate and the growth amount of broad-leaved trees are remarkably increased through the cultivated integrated symbiotic seedlings.

The invention discloses an artificial protection forest close-to-nature reconstruction method based on natural succession stage staging regulation and control, and the method comprises the steps: accurately judging the natural succession stage of a forest stand, and setting a threshold condition for transition to a next stage, so as to enable all reconstruction measures to be anchored to the development process of the forest stand; illumination and provenance are cooperatively regulated and controlled through forest window opening up and broad-leaved tree species complementary planting, and the under-forest natural updating potential is activated; through staged thinning, window expansion, width supplementation and needle control, the stand is guided to gradually turn from a single-layer same-age needle leaf structure to a different-age multi-layer, broad leaf dominated and plaque inlaid top-level community form; the litter reserves, the soil biological activity and the hydrological regulation capacity are synchronously improved, and a multi-layer protection system and a dynamic balance monitoring mechanism are constructed. The forest stand does not depend on continuous human intervention to maintain the function any more, but depends on succession power of the forest stand to achieve structural optimization and function jump, the succession stagnation problem is solved, and the artificial protection forest really has the stability, restoring force and sustainability of the near-natural forest stand.

The utility model discloses a rapid seedling raising device for broad-leaved tree tissue culture seedlings, relates to the field of the broad-leaved tree tissue culture seedlings, and aims to provide the rapid seedling raising device for the broad-leaved tree tissue culture seedlings, which is convenient for rapid seedling insertion and is prevented from being damaged. The rapid seedling raising device for broad-leaved tree tissue culture seedlings comprises a seedling raising cup cover body and seedling raising inserts, the seedling raising cup cover body comprises a first seedling raising cover and a second seedling raising cover, and the second seedling raising cover and the first seedling raising cover are installed on the left side and the right side of the top end of a seedling raising cup respectively. Limiting pieces are fixedly connected to the tail ends of the limiting rods, limiting frames are fixedly connected to the bottom end of the second seedling raising cover, reserved grooves are formed in the opening and closing ends of the seedling raising inserts, anti-skid sleeves are arranged on the outer sides of the handheld ends of the seedling raising inserts, rubber rings are fixedly connected to the inner sides of the handheld ends of the seedling raising inserts, and arc-shaped notches are formed in the first seedling raising cover and the second seedling raising cover.

The utility model is suitable for the technical field of gastrodia elata planting, and provides a soil fattening machine for gastrodia elata planting. The rectangular opening is formed in the bottom plate; the discharging opening is formed in the bottom plate; the frame is fixedly mounted on the bottom plate; the discharging mechanism is used for putting broad-leaved tree leaves or humus soil into the planting pits; the leveling mechanism is located at the bottom of the frame and used for leveling the bottom of the planting pit; and the displacement mechanism is mounted on the frame and is used for driving the leveling mechanism to move transversely and vertically. The soil fattening machine for gastrodia elata planting not only can fatten soil in the gastrodia elata planting process, but also has the function of leveling the bottom of the planting pit, can adjust the transverse position of the soil leveling structure, and is suitable for planting pits with different widths.

The invention relates to the technical field of forest building, and discloses a method for improving the quality of needle-leaved dominant tree species needle-broadleaf mixed forest, which comprises the following steps: step 1, the forest is cultivated needle-broadleaf mixed forest, the different-age multi-layer composite forest stand corresponds to a needle-leaved pure forest quality improvement mode, and the needle-leaved pure forest quality improvement mode corresponds to the needle-leaved pure forest quality improvement mode; the forests are divided into coniferous dominant tree species and coniferous broad-leaved mixed forests, the broad-leaved dominant tree species and coniferous broad-leaved mixed forests correspond to the quality improvement mode of the coniferous broad-leaved mixed forests, the forests are divided into broad-leaved mixed forests correspond to the quality improvement mode of broad-leaved pure forests, and the broad-leaved mixed forests which are divided into mature forests or degraded forests correspond to the transformation mode of coniferous low-efficiency forests; 2, on the basis of the coniferous pure forest quality improvement mode in the step 1, a quality improvement mode is formed by replanting deciduous broad-leaved tree species with the retention density of 111 plants per mu; the quality improvement mode of the coniferous and broad-leaved mixed forest is to adjust a stand structure and a growth space; the broad-leaf pure forest upgrading mode is to adjust a stand structure; the coniferous low-efficiency forest transformation mode refers to complementary planting of indigenous tree species. The improvement of the quality of the reformed forest stand and the high-quality forestry management development direction are greatly improved.

This invention discloses a method for cultivating seedlings in multi-layered mixed forests of Chinese fir and broadleaf trees, belonging to the field of forestry seedling technology. Addressing the technical problem of vicious competition and difficulty in forming a symbiotic relationship when Chinese fir and broadleaf trees are mixed, this invention employs a dual-cavity integrated symbiotic cultivation container with an internal biodegradable isolation membrane. Chinese fir and broadleaf trees are cultivated separately in dedicated functional substrates within the main and secondary cavities. Physical isolation occurs in the early stages of seedling cultivation, and the isolation membrane degrades later, guiding the roots to intertwine and form symbiotic root clusters. This method effectively solves interspecific competition, and the cultivated integrated symbiotic seedlings significantly improve the survival rate and growth of broadleaf trees.

To provide a composition for refining edible oil, which is brought into contact with edible oil to refine the edible oil.SOLUTION: The edible oil refining composition for refining the edible oil by bringing the composition into contact with the edible oil comprises at least the following substance (1) and the following substance (2), the edible oil refining packaging bag containing the composition, and the edible oil refining apparatus having the composition so as to be brought into contact with the edible oil. (1) A charcoal obtained by carbonizing a conifer, a hardwood, bamboo, rice hull, or coconut shell at a temperature higher than 600 degrees Celsius and not subjected to "activation treatment in activated carbon production", (2) (2-1) a synthetic preparation, (2-2) a metal oxide, (2-3) a silicate, (2-4) a porous body, or (2-5) dietary fiber SELECTED DRAWING: Figure 3

The invention belongs to the technical field of forest ecological restoration, and particularly relates to a pinus khasys low-efficiency forest transformation method based on key tree species regulation and control. According to the method, the key broad-leaved tree species complementary with the ecological niche of the pinus khasys are introduced, the coniferous and broad-leaved mixed forest is constructed, and traditional empirical mixing is broken through based on scientific matching of functional characters of the key tree species; carbon and nitrogen circulation is accelerated through the synergistic effect of centrum and schima, the problem of soil fertility decline of a pinus khasys pure forest is solved, meanwhile, xanthium sibiricum, myrica rubra and the like are introduced to improve soil tree species, and chemical fertilizer dependence is reduced. Furthermore, the forest stand stability, the carbon sequestration capability and the soil fertility are improved by utilizing the system effect between tree species.

The application discloses a method for artificially promoting natural regeneration of Tsuga chinensis, and comprises the following steps: forest thinning: removing broad-leaved trees in a Tsuga chinensis community, forming a forest gap around Tsuga chinensis mother trees and undergrowth seedlings, and retaining a canopy density of 0.5-0.6 after felling; artificial land preparation: cleaning and piling up litter on the ground in the forest gap to the periphery of the Tsuga chinensis seedling, and loosening the soil in the forest gap to a depth of 2cm-3cm; tending management: cleaning up weeds and grasses and harmful organisms around the Tsuga chinensis seedling in the forest gap, and performing seedling cultivation and topdressing. The method forms a forest gap through forest thinning, increases the forest understory light, promotes the growth of Tsuga chinensis seedlings, increases the contact probability of Tsuga chinensis seeds and soil through artificial soil loosening, improves the germination rate of Tsuga chinensis seeds, and promotes the growth of Tsuga chinensis seedlings through tending management, so that the purpose of promoting the regeneration of Tsuga chinensis forest is achieved.

The invention provides a planting method for mixing eucalyptus and fast-growing broad-leaved tree species at the same age, and belongs to the technical field of forest management and artificial forest ecological restoration. The planting method comprises the following steps: mixing fast-growing broad-leaved tree species with medium and short periods, such as mytilaria latifolia, manglietia glauca, quercus acutissima, quercus acutissima and the like, with eucalyptus in a strip-shaped or block-shaped mixing manner to create a mixed forest, cutting the first-generation eucalyptus and a first-generation eucalyptus sprouting forest, cutting the mixed tree species together with the eucalyptus in the eighteenth year, and then circularly planting. The planting method is mainly different from the traditional operation mode of multi-generation continuous planting of pure eucalyptus forests which are dominant in the south at present, and by improving the operation mode, the stand yield of the artificial eucalyptus forests is increased, the chemical input is reduced, the stand stability and stress resistance are improved, and the wood yield and soil fertility are improved; the carbon sequestration capacity and the biological diversity are enhanced, high-quality development of the forestry industry is promoted, and sustainable wood supply is achieved.

The invention discloses a culture medium for ganoderma sinense cultivation and a preparation method and application thereof, and belongs to the technical field of edible fungus cultivation. The culture medium is prepared from the following main materials in percentage by weight: 13 to 20 percent of couch grass, 28 to 35 percent of arundo fungus grass and 40 to 45 percent of dicranopteris pedata, and the following auxiliary materials in percentage by weight: 0.1 to 0.8 percent of brown sugar, 0.8 to 1.8 percent of gypsum powder, 0.7 to 1.8 percent of urea, 0.2 to 1.2 percent of monopotassium phosphate, 0.05 to 0.16 percent of shell powder, 0.9 to 2.3 percent of corn flour and 0.02 to 0.07 percent of phoenix mushroom essence. The preparation method comprises the following steps: uniformly mixing the main material and the auxiliary material respectively, totally mixing, adjusting the water content to 45-65% and the pH value to 5-7, bagging, sealing, and sterilizing by high-pressure steam to obtain the sterile culture medium. The culture medium is used for cultivation of ganoderma sinense, the biological efficiency can reach 4.98 + / -1.07%, the polysaccharide content of sporocarp can reach 635 mg / 5 g, and the culture medium is obviously superior to a traditional coniferous tree sawdust culture medium and a broad-leaved tree sawdust culture medium. The culture medium for ganoderma sinense cultivation is easy to obtain, simple and convenient in preparation process, capable of effectively increasing the yield of ganoderma sinense and the content of main active ingredients and suitable for large-scale cultivation and application.