64 results about "Crop biomass" patented technology

The invention discloses a crop biomass inversion method based on a SEBAL-HJ model. The crop biomass inversion method is characterized by comprising the following steps: S1, acquiring HJ-1 CCD, IRS images and elevation data DEM in a research plot, and carrying out geometric fine revision to the images; S2, inversing a land surface albedo, NDVI, SR, land surface emissivity and inversing land surface temperature; S3, calculating net radiation flux according to inversion results in the S2, and further calculating soil heat flux on the basis; S4, calculating sensible heat flux through cyclic reduction; S5, calculating the coefficient of evaporation ratio and obtaining evapotranspiration per day through space-time dimension expansion; S6, inversing fPAR on the basis of vegetative cover indexes NDVI and SR; S7, inversing NPP according to the inversion results of evapotranspiration per day in the step S5 and the inversion results of fPAR in the step S6; and S8, obtaining crop biomass through the accumulation of NPP after space-time reconstruction. According to the invention, the high-precision inversion of crop biomass is achieved, and the amount of calculation is relatively smaller.

An algorithmic method is described for sensor-based real-time application of an agricultural material. Method includes means for characterizing and treating crop biomass variability without the use of a grower managed reference crop. Crop variability is determined statistically by driving one or more transects through the field in order to collect crop canopy information for sensor calibration purposes.

The invention discloses a crop biomass nondestructive testing image acquisition and processing device and a testing method and aims at providing the crop biomass nondestructive testing image acquisition and processing device which is low in manufacturing and use costs and the testing method which is simple and convenient. The crop biomass nondestructive testing image acquisition and processing device comprises two camera height adjusting devices, a background wall, a calibration board, a lifting adjusting device, a seedling placing platform, a test bed and an image data acquisition, processing and analysis system. The image data acquisition, processing and analysis system comprises two charge coupled device (CCD) digital cameras and a computer. The camera control module of the computer is used for acquiring, displaying and storing the acquired images; and statistical analysis of the data is conducted through a biomass prediction algorithm module to finally obtain a crop biomass prediction model. The crop biomass nondestructive testing image acquisition and processing device and the testing method are suitable for the nondestructive testing of fresh biomass or dry biomass of potted crops or the biomass tracking and measurement of a single crop in the entire growth period.

The invention discloses a handheld biomass measuring device, which comprises a horizontal push rod, a pressure sensor, a vertical connecting rod, a crossbeam, an acquisition module and two suspension straps. The pressure sensor is arranged between the horizontal push rod and the vertical connecting rod and used for acquiring the strength of resilience force when a crop deforms; the tail end of the crossbeam is connected with the upper end of the vertical connecting rod so that a user can hold the handheld biomass measuring device with a hand; one of the two suspension straps is hung on the neck of the user, and the other suspension strap is tied in the waist of the user, so that the horizontal push rod is kept horizontally; and the acquisition module is placed on the crossbeam and connected with the pressure sensor, a crop biomass prediction model is embedded into the acquisition module, and biomass is measured according to voltage signals of the crop resilience force acquired by the pressure sensor. The handheld biomass measuring device has the advantages of portability, quick measurement, zero damage and the like, and is particularly applicable to detecting biomass of small and medium groups of crops in small land parcels during field breeding, and measurement results are accurate and reliable.

The invention discloses a biodegradable agricultural super absorbent resin, which is prepared with the main raw materials by weight ratio as follows: 100 portions of crop biomass, 50-150 portions of acrylic acid, 200-1,000 portions of 1% sulfuric acid aqueous solution, 7-70 portions of sodium hydroxide, 0.25-10.0 portions of N,N`-methylene-bis-acrylamide as cross-linker, as well as at least an initiator selected among 0.5-15.0 portions of persulphate, 0.5-10.0 portions of ferric salt and 0.5-8.0 portions of sodium salt. The resin has good biodegradable performance, moderate water absorption, and greatly reduced costs. The invention also discloses a preparation method of the biodegradable agricultural super absorbent resin.

The invention provides an intelligent water-saving irrigating method based on crop demand. The method comprises the following steps of (1) determining crop internal growth mechanism parameters (r) and (Sp) according to a type of the cultivated crop, (2) building a growth model for crop growth periods (i) and determining biomass output of the crop during different growth periods according to the internal crop growth mechanism parameters in a quantitative way, (3) building a water demanding amount model for crop growth periods and calculating water demanding amount during different growth periods according to the biomass output acquired in the second step and soil moisture content data acquired via an environment monitoring device, and (4) carrying out an irrigating scheme for the full growth periods of the crop according to the water demanding amount acquired in the third step. The irrigation scheme is made according to a mathematic model based on crop growth rules, so the irrigation scheme can be applied to pot-culturing devices with limited irrigation; technical support is provided automatic on-off control of intelligent agricultural irrigating equipment; and water can be utilized to the largest extent.

The invention is a device of producing hydrogen by using crop biomasses and generating electricity with hydrogen energy, relating to a whole device of making hydrogen by using crop stalk biomasses, and generating electricity with hydrogen energy, and provides a device of combining microbial degradation, hydrogen production, hydrogen storage and hydrogen energy-electric energy conversion by using the application of the microbial degradation of biomasses like crop stalks, etc, and microbial hydrogen production. It provides a biomass degrading device, a ferment-hydrogen producing device, a reacting solution after-processing device, a water-sealed device, a gas eluting device, a gas drying device, a hydrogen storing device, and a fuel battery. It uses degrading microbes to degrade various crop stalks and starches into sugars, uses the microbes to ferment the sugars to produce hydrogen, discharges the waste fermentation liquor by after-processing, elutes the hydrogen to store in a storing system, and uses the fuel battery to convert hydrogen energy into electric energy or directly supply the heat. It can be used in producing hydrogen and generating electricity on a large scale and on a small scale.

The technical field of carbon-based fertilizer, and relates to special biological carbon-based fertilizer for a bamboo forest, a preparation method and an application of the special biological carbon-based fertilizer. The biological carbon-based fertilizer comprises the following ingredients: biological carbon, inorganic fertilizer, organic waste aerobic fermentation fertilizer and an adhesive agent. The preparation method comprises the following steps of: A, collecting organic crop biomass, after drying, putting the organic crop biomass in a biological carburization furnace for high temperature calcination, obtaining biological carbon after carbonization, B, grinding, extruding and dehydrating organic waste, putting in a fermentation bin for fermentation for above 24h, removing a fermented material from the fermentation bin, performing second composting, obtaining the organic waste aerobic fermentation fertilizer after drying, and C, uniformly mixing and stirring the biological carbon, the organic waste aerobic fermentation fertilizer, the inorganic fertilizer and the adhesive agent for granulating to form the special biological carbon-based fertilizer for the bamboo forest. According to the fertilizer, the method and the application, the compatibility is reasonable; since the organic waste aerobic fermentation fertilizer is added, the cost of the fertilizer can be effectively lowered; and both bamboo nutrient requirements and slow release of the organic fertilizer are considered.

The present invention discloses a device and a method for measuring crop biomass. The crop biomass is measured by applying frequency sweep electric field to a to-be-measured crop sample in a parallel plate capacitor for measuring the dielectric property of the crop sample at a certain temperature and humidity, and by establishing a correlative model of dielectric constant, attenuation coefficient and the crop biomass. The device and the method provided in the invention can rapidly measure crop biomass per plant or of a plurality of plants without reaping the crop. The device is simple and portable, and is suitable for field application, and remarkably saves manpower, material resources and time, and furthermore, the device can be reformed into an on-line continuous monitoring system of the crop biomass for carrying out a continuous monitoring of field crop biomass.

The invention provides a remote sensing evaluation method for crop growing trend combined with characters of individuals and groups. The method is based on crop individual plant characters and crop group characters. Crop biomass is taken as a monitoring index of the crop group growing trend. Crop canopy nitrogen concentration is taken as a monitoring index of the crop individual growing trend. The crop group index, the crop individual index and phenology are monitored through the remote sensing technology. The influences on monitoring of growing trend from the phenology difference are eliminated combined with the monitor of the phenology. Large-scale crop growing trend is evaluated quantificationally through remote sensing combined with the group characters and the individual characters.

The invention discloses a comprehensive repair method of heavy metal contaminated soil and application, and belongs to the technical field of environmental pollution control and new energy. The method provided by the invention comprises the following steps: cultivating sorgos on the heavy metal contaminated soil to absorb heavy metals via the sorgos, harvesting the sorgos after the sorgos are ripe, crushing the sorgo straws, performing solid fermentation, distilling to recycle ethanol in the fermentation product after fermentation, primarily drying the distillation residues, combined firing the distillation residues with crop roots and leaves, and recycling and treating the heavy metals in the ash. The method provided by the invention has the advantages of high crop biomass and high heavy metal absorption efficiency, meanwhile, the produced straws can be used for fermenting to produce biofuel, such secondary pollutants as biogas slurry and biogas residue can not be produced after fermentation, thus the environmental benefits are good; ears of sorghum can be used for producing a culture medium or used as a feed, thus having huge social benefit and economic benefit and being suitable for industrial promotion.

The invention discloses a biomass living body detection device based on a moment, comprising a sensor module, a support module and a data collecting and analyzing module, wherein the sensor module comprises a moment sensor for acquiring the rebounding property of a crop to be measured when the core is subject to external force; the sensor module is positioned on the support module for supporting the sensor module; and the data collecting and analyzing module is connected with the sensor module and is used for obtaining the biomass of the crop to be measured according to the rebounding property acquired by the sensor module. Compared with a disc-dropping type tester, the crop biomass living body detection device based on a moment provided in the invention can carry out continuous measurement, and compared with a swing type biomass tester, the biomass living body detection device based on a moment without swinging components and requirements on the constant-speed movement of a mounting platform has the advantages of portability and accurate and reliable measuring result and is especially suitable for measuring the biomasses of the crops in patches in a breeding process.

The invention relates to a swim-arm-type facility crop biomass multi-sensing detection device and a swing-arm-type facility crop biomass multi-sensing detection method. The swim-arm-type facility crop biomass multi-sensing detection device mainly comprises a T-shaped swing arm frame and a support frame, wherein the tail of a cross arm of the T-shaped swing arm frame is provided with a second digital camera; a vertical column of the T-shaped swing arm frame is provided with a first digital camera, and can rotate along the axis under the effect of a movement control clamp; sample brackets are arranged on the support frame; loading sensors are arranged between the sample brackets and the support frame. The method comprises the following steps: firstly, the swim-arm-type facility crop biomass multi-sensing detection device is arranged in advance; secondly, the swim-arm-type facility crop biomass multi-sensing detection device is started up for multi-sensing detection of crop biomass; finally, facility crop biomass characteristic parameters are extracted and described quantitatively. According to the invention, the machine vision and the biomass loading detection method are combined, and by multi-information fusion, the biomass information of the production process of facility crops is acquired circularly, and can be subjected to cruised monitoring automatically.

The invention provides a microbial oil preparation method with biodiesel byproducts as carbon sources and belongs to the technical field of microbial oil preparation. According to the microbial oil preparation method, microbial oil is prepared with the biodiesel byproducts serving as the carbon sources and rhodotorula glutinis 32489 serving as the oil-producing microorganisms. Therefore, the problem of high cost when glucose or pure glycerine (AR) is used as the carbon sources to prepare microbial oil is solved, and crude glycerine is effectively used; the components of the produced microbial oil are almost as same as those of vegetable oil. Compared with vegetable oil, microbial oil has the advantages of being short in the preparation cycle and free of occupying arable land, is a cheap non-crop biomass raw material to prepare biodiesel, can reduce the preparation cost of biodiesel, and has a wide application prospect.

The invention provides a crop biomass remote sensing estimation method considering water stress. The method comprises the steps of S1: obtaining optical remote sensing data with a near-infrared waveband and a shortwave infrared waveband in a target region; S2: performing atmospheric correction processing on the obtained optical remote sensing data to obtain real surface reflectivity data of the target region; S3: extracting a planting space distribution region of crop; S4: determining a normalized vegetation index and a time integral value of the crop; S5: obtaining a water stress coefficient of the crop; S6: obtaining a biomass conversion coefficient of the crop; and S7: building a biomass estimation model of the crop. The method is in favor of estimating the biomasses of the crop in different growth periods more accurately in regional scale, and has important application values in the aspects of further realizing crop growth trend monitoring, yield estimation, drought monitoring, drought loss assessment and the like.

The invention discloses lysinibacillus fusiformis and an application thereof in land reclamation and ecological reconstruction in a mining area. The strain is the lysinibacillus fusiformis, and has acollection number of CGMCC No. 9799. The strain is capable of improving the nutrient content of land reclamation soil in the mining area, and has obvious effects for improving the content of organic matters, alkali-hydrolyzale nitrogen, rapidly available potassium and available phosphorus in the land reclamation soil in the mining area. Moreover, further experiments prove that, the lysinibacillusfusiformis is capable of further improving the biomass of crops, and for culture of wheat or oilseed rapes, the biomass of crops in the land reclamation soil in the mining area can be improved; particularly important, due to use of the lysinibacillus fusiformis, the community structure of soil microorganisms can be effectively and obviously changed, the microbial diversity of the soil is improved,and the quantity of microbes is effectively increased. Therefore, remediation of the microbial community in the soil is accelerated, and the lysinibacillus fusiformis can be widely applied to remediation of the land reclamation soil in the mining area.

The invention relates to a loss-control fertilizer taking rice straws as a raw material, a preparation method and an application thereof. The preparation method comprises the following steps of: preparing rice straw powder, preparing rice straw lignin and cellulose, preparing lignin nano-functional carbon, preparing a cellulose flocculant, and preparing a nitrogen fertilizer loss-control agent and a compound loss-control fertilizer. The loss-control fertilizer prepared by the method not only can reduce or control loss of fertilizer nutrients, but also can improve the ecological environment of rhizosphere soil of plants and promote balanced absorption of nutrients by the plants. Under the circumstance of reduce chemical fertilizer application, the biomass of the crops can be increased and the quality of the crops can be improved. The method has the advantages of being low in cost, high in efficiency, environment-friendly, convenient to use, easy to process and the like, and has a wide application prospect.

The invention belongs to the field of agricultural fertilizers and discloses a leaf fertilizer containing natural high-activity iturins sodium surfactin and a preparation method of the leaf fertilizer. The iturins sodium surfactin is capable of improving the permeability of cells and the disease resistance of crops, promoting the normal growth of the crops and improving the nutrient absorption of the crops. The leaf fertilizer contains the iturins sodium surfactin, so that the nutrient absorption of the crops is improved, the biomass of the crops is increased; meanwhile, the iturins sodium surfactin can be absorbed and utilized by the crops, has high possibility of being environmentally degraded and is environmentally friendly. The preparation method of the leaf fertilizer is simple in operation and applicable to industrial production.

The invention relates to the technical field of modern agricultural industry, and discloses crop biomass fuel with high heating value. Crop biomass fuel raw materials are mixed, and auxiliary raw materials are added, so that the burning efficiency is improved; meanwhile, a prepared burning catalyst is added, so that a burning process is promoted, the burning area can be enlarged, the burning speedis improved, the burning process is more complete, the heating value are higher, the complete burning performance is improved, the residual ash content after burning is reduced, the biomass fuel havean adsorption effect on polluted gas, and pollution of the gas exhausted by burning is reduced. According to the crop biomass fuel with the high heating value disclosed by the invention, the problemof low burning heat value of crop biomass fuel is solved, the utilization value of the crop wastes is improved and the heat value of the biomass fuel are improved, and resource maximum utilization andrealistic meaning of environment protection can be realized, and therefore, the crop biomass fuel are very worthy of being popularized and used.

The invention belongs to the technical field of remediation of heavy metal contaminated soil, and particularly relates to a soil smoldering technology for treatment and remediation of heavy metal co-contaminated soil. The soil smoldering remediation method mainly comprises the following steps: plant straws are covered with soil to form a covered body; the outer layer is a soil layer, and the straws or a mixture of straws and soil are arranged inside; the inside is kept in an anaerobic condition, and the soil smoldering treatment is then carried out. Through solidification, absorption, chelation, complexation and other various reactions, the heavy metal co-contaminated soil treated by applying the technology provided by the invention achieves a reduced proportion of chemical forms which can easily migrate and diffuse to the environment, and an increased proportion of chemical forms which are difficult to release to the environment. Therefore, environmental and ecological risks from heave metals are reduced. The technology provided by the invention can simultaneously fix multiple heave metals, reduce the heave metal absorption and accumulation by plants, effectively kill various pathogenic bacteria in soil and increase the biomass of crops, and is a simple, high-efficient, easy-to-operate and low-cost in-situ remediation technology for heavy metal co-contaminated soil.

The invention discloses a method for improving crop yield and quality using hydrogen-sulfide-donor sodium sulfide, and relates to a method for improving leaf vegetable crop yield and quality using sodium sulfide and a method for improving bean crop yield and quality using the sodium sulfide. According to different growing characteristics of different crops, the purpose of improving crop yield andquality is achieved by using different culturing manners and action manners. Sodium sulfide solutions with different concentrations are used for improving crop vital force, the photosynthesis of cropscan be enhanced by using external source sodium sulfide to improve chlorophyll content, and therefore the growing and developing of crops are promoted to increase the biomass of the crops. In addition, nutritious ingredients of products are analyzed by the method.

The invention discloses new trichoderma with saline-alkaline tolerance and application of the new trichoderma. According to the new trichoderma TUCIM 10301, the preservation number is CGMCC 19611. Thestrain is a new species of trichoderma sp. and is finally named Trichoderma arenerea sp.nov. The Trichoderma arenerea sp.nov. TUCIM 10301 can tolerate saline stress caused by 1.5M (8%) salt concentration and alkaline stress with pH value reaching 9.0. Under the stress of different salt concentrations, the Trichoderma arenerea sp.nov. TUCIM 10301 removes influence of salt on the plant growth inhibition effect, and compared with control without inoculation, the inoculated trichoderma TUCIM 10301 has the advantages of increasing biomass of crops by 37% and 81% under the condition of NaCl contentof 0.5% and 0.75% respectively and promoting root elongation and lateral root differentiation of crops.

The present invention discloses an effect enhancing method of a compound biobased fertilizer and a fertilizer with an enhanced effect. The key is to introduce an effect enhancing factor of the compound biobased fertilizer to the fertilizer. The effect enhancing factor refers to all matrixes downstream derived from residues of production of agricultural products and solid state fermentation of active soil materials, and comprises a biopolymer polymer gamma-polyglutamic acid and a broad spectrum of plant nutrients derived from a biological fermentation process of plants. The present invention is capable of not only reducing or controlling fertilizer nutrients loss, but also improving the plant rhizosphere soil ecological environment, thus promoting balanced nutrient absorption by plants. In the case of the reduced fertilizer application amount, crop biomass can be increased and crop quality can be improved. The present invention further discloses a preparation method of the fertilizer effect enhancing factor, a compound biobased fertilizer with the enhanced effect and having the fertilizer effect enhancing factor and an application of the compound biomass fertilizer with the enhanced effect.

The invention relates to the technical field of microorganisms, in particular to a potassium-solubilizing pseudomonas strain and an application thereof. The technical scheme adopted is as follows: a strain of Pseudomonas kaliolytica is provided, and the accession number in CGMCC is CGMCC No. 15914. The strain can decompose and utilize poorly soluble potassium minerals in soil, increase soluble potassium content in potassium bacterial screening culture medium, have the function of secreting extracellular enzymes to strengthen plant resistance, and can also increase the biomass of repaired crops, and can be used for preparing soil biological improvement bacterial agent. The strain is characterized in that the strain can decompose and utilize poorly soluble potassium minerals in soil, increase soluble potassium content in potassium bacterial screening culture medium, and has the function of secreting extracellular enzymes to strengthen plant resistance.

The invention belongs to the technical field of soil pollution control and restoration and discloses a heavy metal polluted farmland soil conditioning method based on eggshell resource utilization. According to the heavy metal polluted farmland soil conditioning method based on eggshell resource utilization, waste eggshells are washed, dried, cooled, smashed and screened, eggshell powder is manufactured, then the eggshells and heavy metal polluted acidic farmland soil are evenly mixed, and crops are planted. By the adoption of the heavy metal polluted farmland soil conditioning method based oneggshell resource utilization, the eggshells are added to the farmland soil, the eggshells can adsorb heavy metals in the soil and react with acids in the soil to improve the pH, the heavy metal absorption amount of the crops is reduced, the crop biomass is increased, the soil is completely conditioned beneficially, and therefore the quality and yield of the crops are improved.

The invention relates to a plant salt-resistant protein MsVNI1 as well as a coding gene and application thereof, and belongs to the technical field of plant genetic engineering. The amino acid sequence of the plant salt-resistant protein MsVNI1 is shown as SEQ ID NO.2, and the nucleotide sequence is shown as SEQ ID NO.1. The plant salt-resistant protein MsVNI1 is subjected to molecular regulation,so that the salt-resistant quality of arabidopsis thaliana can be remarkably improved, and the size of alfalfa leaves is increased. The salt-resistant protein MsVNI1 has important reference significance for genetic improvement of biomass and stress resistance of pasture and other crops.

The residue manager deflects cover crop stalks and flattens cover crop residue during a no-till or minimum-till agricultural planting process. The residue manager apparatus comprises an “A” shaped frame. A leading portion of the frame is designed to deflect cover crop stalks. Press shoes attached to an intermediate portion of the frame depress cover crop residue that is not deflected by the leading portion. The trailing portion of the residue manager frame is configured to attach to existing planting mechanisms, such as seed drills. As the residue manager is propelled across a field of cover crops, the residue manager deflects cover crop stalks and depresses cover crop residue adjacent to the planting mechanism so that the planting process is not obstructed by the cover crop biomass on the surface of the field.

The invention discloses a new technology for preparing medicinal microcrystalline cellulose by using an enzyme to catalyze hydrogen peroxide to whiten lignocellulosic type biomass. According to the new technology, crop biomass is used as raw material, a series of processing steps, such as preprocessing, acidolysis, sodium chlorite bleaching, viscid serratia exoenzyme catalyzing the hydrogen peroxide bleaching, ethanol lavation, filtering, drying and smashing, are conducted, a series of conditions, such as acid-base use amount, solid-liquid ratio, reaction time and temperature, are adjusted reasonably, and the medicinal microcrystalline cellulose product is prepared. According to the prepared product, the content of the medicinal microcrystalline cellulose is equal to or larger than 9.78%, the whiteness is larger than or equal to 80%, the pH value is 5.0-7.5, the chloride content is smaller than or equal to 0.03%, and the drying loss is smaller than or equal to 5%.