1382 results about "Forest industry" patented technology

An autonomous water source (AWS) for extracting water from ambient air and delivering it to a plant to support growth. The system is based on an adsorption-desorption-condensation (ADC) cycle using a sorption material to extract moisture from ambient air and condensing the water vapor driven off from the sorption material by subsequent heating and followed by condensation. Liquid condensate produced in this process on the condenser is collected and delivered by gravity to a plant to reduce thermal stress and to support growth. The invention provides a sustainable source of irrigation water for agriculture and forestry, including areas where no water resources exist or are not economically viable. It can be tailored in size, and therefore, output capacity, reflecting the desired water requirements of a particular application, and can be used to replace most agricultural situations now reliant on surface water drip feed systems. The device is simple, rugged, invulnerable to rain, snow, and freezing conditions, and can be designed to last for many years without service as there are few moving parts and power required for operation is provided by sunlight.

The invention relates to a system for intelligently monitoring and controlling crop pests and diseases. The system is characterized by comprising a monitoring computer and a pesticide spraying device which is arranged in a crop growing place, wherein the monitoring computer drives the pesticide spraying device which is connected with the monitoring computer; a time controller and a pesticide spraying selective driving module are arranged in the monitoring computer; and the time controller controls and starts a corresponding spray head of the pesticide spraying device through the pesticide spraying selective driving module. The system has the following advantages that: 1, intelligentization is realized, the degree of automation is high, the control modes are diversified, the control is performed in time, and the using effect is good; 2, the solar energy is used as a power supply of monitoring equipment, so that the energy-saving effect is good; 3, the monitoring equipment not only can automatically control the water supply or the pesticide spraying of cultivated crops, but also has a multi-aspect management and control ability of controlling pests and diseases of the crops in different areas of the same place; and 4, the health condition of the crops is monitored in real time by using a monitoring probe, so that the crop pests and diseases are pre-warned in time and are controlled appropriately. Therefore, the system is not only favorable for ensuring the growth of the crops and the production bumper harvest of agriculture, forestry and tea industry, but also can greatly reduce medicament waste and pesticide pollution.

The invention provides a distributed-network automatic irrigation control system and an irrigation control method thereof, wherein the system carries out automatic irrigation control on agricultural, forest, commercial, industrial or urban green areas by using the combined technical means such as intensively setting and monitoring a distributed irrigation process by a central control computer, controlling the distributed irrigation process by a wireless terminal controller, a wireless network communication technique and the like; and in addition, the system also enables the data processing pressure of the central control computer to be decomposed by using a distributed irrigation control method which is implemented through the steps of intensively setting the irrigation process by the central control computer, and independently controlling each unit irrigation process by the wireless terminal controllers according to the setting, thereby avoiding a mass of real-time communication data transmission, ensuring that the system can smoothly carry out data processing and communication, improving the execution efficiency and management efficiency of the system, decreasing the construction requirements of system hardware and wireless communication networks, and enhancing the economical efficiency and feasibility of the system applied in large-scale irrigations.

The invention relates to a method of extracting hemicellulose, cellulose and lignin from wood fiber raw materials and belongs to the field of utilization and technology of biomass resources of agriculture and forestry. In the method, the hemicellulose is extracted from the wood fiber raw materials by using hot water, then the lignin is extracted by using alkaline organic solvent under mild conditions; and residual ingredients rich in the cellulose are further used for enzyme hydrolysis to prepare fermentable sugar solution, thereby achieving full-ingredient utilization of the hemicellulose, cellulose and lignin in the biomass resources of the agriculture and forestry. The method has simple process, and is environmentally friendly, the organic solvent can be recycled, thereby promoting the development of the green agriculture and forestry, and the method has wide social and economic benefits.

The invention discloses a method for extracting parameters of tree branches based on ground laser radar three-dimensional scanning and belongs to the technical field of point cloud data processing of the ground laser radar three-dimensional scanning and the technical field of visualization model simulation of tree forms. The method comprises the following steps: utilizing a ground three-dimensional scanner as a data acquisition platform, scanning and obtaining point cloud data of the tree branches, and dividing the point cloud data of the tree branches into different parts; stratifying the point cloud data in the height direction of the tree, extracting point cloud isolines of different heights of the tree by means of a convex hull algorithm, and constructing tree branch triangular mesh between adjacent isolines by means of a triangulation network growth algorithm; combining a triangulation network of different parts of a tree, and constructing an overall triangulation network model of the tree branches. The parameters of the tree branches are extracted by means of ray collision detection technology, the error between the parameters and the actual measured value is kept to be within 5%, requirements of forest measurement can be met, and the efficiency of forest measurement can be greatly improved.

The invention discloses a wasp breeding method. The method comprises the steps of firstly, in autumn, putting female and male wasps having mating flight into a wasp breeding shed for mating, secondly, keeping the female wasps after mating in a dark place for hibernation, and in the spring of the coming year, putting the individual female wasps after hibernation in nesting boxes for waking, and finally, putting the nesting boxes in the wasp breeding shed so that the female wasps ovulate, and if the emergence number of larvae is 15-20, moving the nesting box to a field farm from the wasp breeding shed for breeding. As a result, the problem that the wild wasp population cannot be applied to the biological breeding field is solved, and the wasp can be well applied to the fields of forestry, crops and fruit trees, and therefore, the wasp breeding has the advantages of improving the yields of the forestry, the crops and the fruit trees while protecting the wasp specie, and also has relatively high direct economic benefit and wide market prospect.

The present invention relates to culturing and processing technology of medical and edible fungus in agricultural technology field and aims at providing practical, cheap and efficient culture medium. The culture medium with wheat as main component is suitable for glossy ganoderma to grow and suitable for industrial production and management. The present invention makes it possible to obtain fresh and dry primodium or sporophore as well as 100 % edible glossy ganoderma mycelium. The present invention features that fresh primodium in different shapes are collected and freeze dried to obtain new type of glossy ganoderma product with water content of 6-11 %. The present invention has wide application range, and the residual culture medium may be used as food material, so that the production process is eco-friendly.

The methods and devices can be applied in households, industry, healthcare, agriculture, forestry and other for immobilization and extermination of pests. They are complex, universal ecological and with improved effectiveness and productivity. The device on FIG. 1 consists of a conical inclined platform (1), which together with an upper conical cover (19), attached to platform (1) with pop-up connections (13) through transient circular platform (14), form an integrated corridor (15) along the conference of the device at the upper end of conical inclined platform (1) by the circular platform (14) is linked the wider end of a funnel (2), the lower (narrower) end is positioned centrally above a mobile container (6), where the enticement (7) is placed, where a zero electric truck (3) and phase electric truck (4) are attached one after another on the inside surface of the funnel (2).

The invention discloses a high-performance wallpaper base paper pulp and a process which uses the pulp to produce wallpaper base paper, the base paper pulp is formed by sizing agent and accessory, the sizing agent is formed by the combination of coniferous bleaching chemical wood pulp, latifoliate bleaching chemical wood pulp and coniferous bleaching chemical thermomechanical pulp; and the accessory is formed by the combination of intra-pulp starch, filling, intra-pulp sizing agent, surface sizing agent, wet strength agent and retention aid. By adopting the invention, bubble points generated by the wallpaper base paper in the PVC scratching and painting process can be greatly reduced, and the bonding strength between a PVC coating and the paper surface and the stability of the paper in wet deformation are improved, thus overcoming the shortcoming of the prior art, simultaneously, reducing the production cost and industrial pollution of the wallpaper base paper. The wallpaper base paper produced by the process has high dry and wet strength, good dimension stability, good loose depth, high opacity, and difficult yellowing. The used sizing agent is mainly high-yield APMP, forest resources are saved, pollution load is low, and the invention has better generalization significant to the current situation that the cost of domestic current paper making industry remains high, forest resources are lacked, and the pollution of paper making industry is severe.

The invention relates to a monochamus alternatus imago attractant which belongs to the technical field of pest control. The monochamus alternatus imago attractant contains the following components according to volume percent: 60-80 percent of turpentine oil, 16-24 percent of ethanol, 2-10 percent of phenethyl alcohol and 2-6 percent of terpilenol. The monochamus alternatus imago attractant contains the following ingredients according to volume percent: 24.64-32.86 percent of Alpha-pinene, 22.91-30.55 percent of Beta-pinene, 6.51-8.68 percent of 3-carene, 2.97-3.96 percent of Beta-phellandrene, 0.74-0.99 percent of terpinolene, 0.62-0.83 percent of laurene, 1.60-2.13 percent of others, 16-24 percent of ethanol, 2-10 percent of phenethyl alcohol and 2-6 percent of terpilenol. The monochamus alternatus imago attractant has remarkable attracting effect to both monochamus alternatus female worms and male worms, and stronger attracting effect to the male worms; and also has certain attracting effect to other coleopteran forestry pests. The invention has the advantages of high efficiency, environmental protection, simple and convenient preparation, low cost and good durability, can be used for prediction and control in monochamus alternatus forest with the control effect up to 53.59-67.30 percent and can effectively control the population density in the monochamus alternatus forest and restrains the spread and the extension of pine wood nematode disease.

The present invention discloses a method to plant Moringa oleifera used to dry-land fruit trees at the dry and hot valley of Jinsha River, pertaining to the field of forestry planting technologies. The method includes five steps, i.e. nutrition-bag seedling raising, selection of planting land, planting, caring and protection, and seed collection. A 60cm wide streaky level-ground is prepared 1-2 months prior to planting, the row spacing is 250cm, the plant spacing is 250-300cm, 60 multiply 60 multiply 70cm pits for Moringa oleifera planting are dug, 3-5kg farmyard manure or 1kg fertilizer mixture containing 16 percent of calcium superphosphate is filled in each pit as basal fertilizer; the seedlings are raised from April to May, and planted during the rainy season from June to July; the Moringa oleifera is trimmed and sheared carefully; irrigation is conducted 2-3 times during dry seasons, and fertilized once during the irrigation in January. The method is comprehensive, simple and easy to promote, and is capable to achieve 40-57kg Moringa oleifera seeds per mu 3-4 years after planting, the yield is increased by 24-78 percent and 27-81 percent compared with 1 and 2 respectively; thereby, the yield per unit area and the income are increased.

The invention provides a forestry information sharing cloud platform and monitoring service system, which is characterized by comprising a unified user authentication system, an application sharing service system, a data sharing service system, a core application system, an extended application system and a spatial geographical information database management system. The forestry information sharing cloud platform and monitoring service system provided by the invention establishes a corresponding forestry spatial data standard and a data distribution, exchange and service mechanism to realize the wide sharing of forestry basic geographic data and forestry data among departments at all levels, eliminate information isolated islands, provide informatization management tools for the daily service of the forestry department and enhance the informatization level of the forestry departments at all levels of provinces and cities.

The invention discloses a transformation technology of south subtropical masson pine artificial pure forest to a masson pine-broadleaved uneven-aged stratified mixed stand, and belongs to the technical field of forestry ecology. The technology is a management model which transforms a masson pine even-aged single-storied artificial pure forest into the masson pine-broadleaved uneven-aged stratifiedmixed stand in an early stage, and performs cultivation in a later stage to form a close-to-nature multi-functional selection forest using masson pines as a constructive species through technical measures of using a current masson pine plantation as a management object, forming forest gaps through appropriate thinning, replanting an indigenous broad-leaved tree species under the forest gaps, utilizing natural force to start natural regeneration and the like. The technology disclosed by the invention can change the problems that a traditional masson pine artificial pure forest has a large ecological risk, poor structural stability, and low economic benefits, and through reasonable transformation, the masson pine-broadleaved uneven-aged stratified mixed stand having stable ecological performance and aiming to cultivate large-diameter timber of the masson pines and precious tree species can be formed.

The invention provides a high activity bio-nutritive water retention agent, which adopts super absorbent resin as host crystal, uses 1-10% glycerin solution as surface cross linker, simultaneously compounds 10-20% humate / fulvic acid salt solution and 10% high activity biological bacteria (like EM bacterium fluid) to prepare high activity water retention agent. The invention has relatively high biological activity, and is applied to agriculture and forest industry, and improves production, strengthens effect, protects environment and greatly improves soil-improving ability. The invention adopts compounding biological agents with high activity under acidity condition, which is beneficial for survival and propagation of strains. The invention does not kill strains when dries at low temperature, and is beneficial for dormancy and storage of strains.

The invention provides o-formammidotiazol-benzamide derivatives, and a preparation method and applications thereof. The o-formammidotiazol-benzamide derivatives have the chemical structure general formula represented by the formula I or the formula II. The invention discloses the structure general formula of the compounds, the synthesis method and the applications of the compounds as insecticides, acaricides and bactericides; the compounds are mixed with agriculturally acceptable auxiliary agents or synergistic agents for use in processing crafts of preparing the insecticides, the acaricides and the bactericides. The invention also discloses the applications of the compounds in combination with the commercial insecticides, the acaricides, the bactericides, anti-plant virus agents and plant activators for prevention and treatment of agriculture, forestry, horticulture plant diseases, insect attacks, acarus attacks and virus diseases, and the preparation method of the compounds.

The invention relates to a berberine plant source insecticide and a preparation method thereof. The insecticide comprises the following raw materials in parts by weight: 40-50 parts of berberis root, 1-2 parts of phellodendron bark, 45-50 parts of purple common perilla and 2-3 parts of castor. The berberine plant source insecticide takes berberine in the berberis root and phellodendron bark as the insecticidal active component; and since berberine has photoactive toxicity for pests, and the toxicity of the berberine plant extract for pests is enhanced when the berberine plant extract is degraded under the activation of light, the invention enhances the drug effect of insecticide, prevents enduring residence in the environment and conforms to environment concordance required by no-pollution pesticides. The product of the invention has the advantages of no toxicity, no residue, wide materials sources and low production cost, has the effects of anesthetization, contact killing, stomach toxicity, systemic action and the like, has favorable integrated control effects of disinsection and bacteriostasis, can be widely used in the fields of agriculture, forestry, animal husbandry and the like, and is especially suitable for production of traditional Chinese medicinal materials, organic food, green food and no-pollution food.

The invention discloses a high spatial resolution remote sensing image crown outline delineation system and a method and aims at delineating the crown outline of a high spatial resolution remote sensing image simply and efficiently. The method includes the following steps: acquiring a high spatial resolution remote sensing image with forest stand being in growing season and extracting a single forest stand image; according to the single forest stand image, using gradient as division function and adopting Laplace-Gauss operator to conduct boundary detection on a grayscale image and obtain an intermediate result image; subsequently, adopting morphology technology to mark a foreground treetop object in a front intermediate result image to obtain a treetop tag; calculating a background tag inthe intermediate result image and generating a crown boundary line surrounding each treetop tag; and then conducting crown delineation on the crown boundary line under the guide of treetop to obtain acrown outline distribution chart. Compared with the prior art, the system and the method can be applied to the fields such as forestry investigation, forest resource monitoring, forestry remote sensing and the like.

The invention relates to a preparation method of a cultivation substrate used for three-dimensional afforesting. The method comprises the steps of: first, crushing plant waste to particles of 2cm; then adding sewage sludge or animal manure in an amount of 5-30% by weight, based on the weight of the plant waste; mixing the plant waste and the animal manure and piling the mixture to be piles with a height of 0.60m-1.5m, and volume of no less than 2 cubic meters; compost maturing the mixture for 20-40 days to obtain a compost product with water content less than 38%; and according to the requirements of national forestry standard 'organic media for greening use', based on the weight of the compost product, adding 0-0.5% humic acid and/or 0-20% perlite, and/or 0-0.5% polyacrylamide to obtain the cultivation substrate which meets the cultivation substrate requirements in the national forestry standard 'organic media for greening use' (LY/T1970-2011) issued in 2011. The method promotes the recycling of waste, and the cultivation substrate has great social, economical and ecological benefits and can replace nature soil for planting. The cultivation substrate can especially satisfy the requirements of roof, suspension, verticality, etc. three-dimensional afforesting for soil fertility, soil composition and water retention and fertilizer conservation.

The invention discloses a grain-saving type feed replacing the grain to deduce the greenhouse gasses, which is mainly composed of a lees and / or Jerusalem artichoke, drugs reducing the emission of animal waste gas, straws, grazing, tree or normal feeds. The invention, besides suits the normal feeding, is also applicable for multi-functional grain-saving type ''carbon culture'' and ''lees or Jerusalem artichoke;; feed, fuel and ethanol industrial integrating livestock breeding, forest industry and firedamp with compact shaped fuel as ''alcohol to gasline'', ''ordure to electricity'', ''fart to cylinder gas'', ''branch to coal'', ''forest to meats'' co-produced meat, eggs and milk, ethanol and canned firedamp. Farmers, besides using feeding with castoff and planting trees and grasses to resolve the meat demanding in China, also can become the industrial worker for planting ''energy'' by conducting the multi-functional production for reducing the greenhouse gases, which is beneficial for the reusing the castoff, promoting the construction of the energy forest and fast-growing and high-yield plantation with low cost, small investment, simpleness and practicability and conforms to the harmonious circulation between human and nature.

The invention provides a production process of machine-made xylanthrax with short production cycle, high product quality, high added value, which is both clean and friendly to the environment. The production process comprises the steps of A. screening raw materials, selecting wood flour and sawdust produced from deep processing of forestry as raw materials, screening the wood flour and the sawdust through a centrifugal screen, and eliminating bark, branch and other coarse foreign bodies; B. feeding the wood flour and the sawdust screened through the step A to a drying system, drying the wood flour and the sawdust at 250 DEG C with the moisture content of the wood flour and the sawdust no more than 10 percent to facilitate processing and shaping; C. shaping and processing the wood flour and the sawdust in the step B into semi-manufactured goods, and ensuring the heating temperature in a bar forming machine to be not less than 180 DEG C before shaping and processing the wood flour and the saw dust into bars to ensure to provide acceptable finished bars; D. piling up and drying the semi-manufactured goods in the step C in air before the semi-manufactured goods are fed into a furnace for carbonization; E. feeding the semi-manufactured goods in the step D to the gasification decomposing furnace, and cooling the semi-manufactured goods after carbonization in air, thus producing xylanthrax.

The invention discloses a preparation method and application of multifunctional high-water absorption humic acid resin with water conserving, water retention and trace fertilizer sustained-release functions. The preparation method comprises the following steps of chelating borax, zinc sulfate, manganese sulfate, ammonium molybdate, iron sulfate and the like by using a chelating agent, mixing the raw materials at the ratio of sodium (or potassium) humate solution to acrylic acid to cross-linking agent to trace fertilizer being (300-400):(80-100):(1-3):(6-10), adding an initiator, and performing reaction to prepare the high-water absorption humic acid resin. The resin has the water conserving, water retention and trace fertilizer sustained-release functions, and can be applied to the industries of agriculture, forestry, gardening and the like to fulfill the aim of increasing both production and income, and the growth and development requirements of crops can be well met.