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2871results about "Vegetative propogation" patented technology
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Methods and systems for irrigation control
A wireless system is provided for monitoring environmental, soil, or climate conditions and / or controlling irrigation or climate control systems at an agricultural or landscape site. In some embodiments, the wireless system includes at least one wireless nodes for monitoring environmental, soil, or climate conditions and / or for controlling one or more irrigation or climate control systems at the site. The wireless system also includes a server computer system located remotely from the site. The server computer system is coupled to the node / s over a communications network for receiving data from and controlling operation of the node / s. The server computer system is also coupled to a device operated by an end-user over a communications network for transmitting the data to and receiving remote control commands or queries from the end-user.
Owner:RAIN BIRD CORP
Image management method and system using thumbnail in dlna system
ActiveUS20100185987A1Improve user convenienceShorten display timeGeometric image transformationGrowth substratesThumbnail
An image management method and system are disclosed which can increase user convenience by reducing a display time of thumbnails in a DLNA system. The DLNA system includes a digital media server for generating a thumbnail group image using thumbnails corresponding to at least one original image file and transmitting the thumbnail group image, and a digital media player for receiving the thumbnail group image from the digital media server and requesting the digital media server to transmit an original image file corresponding to a selected thumbnail among thumbnails included the thumbnail group image.
Owner:SAMSUNG ELECTRONICS CO LTD
Method for selecting crop varieties
InactiveUS20050150160A1Choosing one or more crop varieties is simplifiedSeed and root treatmentHorticulture methodsSoil typeGraphics
A process of recommending crop varieties based on management categories. The management categories are determined by utilizing indices, which measure the economic implication of physical and chemical properties of a specific soil type in a region. The management categories may then be indicated graphically by indicia overlaying digitized soil maps, each of the indicia grouping soil types within a management category. Each crop variety is characterized by how the crop variety performs in each of the management categories. Each of the crop varieties may then be assigned an indicium of the management category for which it is adapted.
Owner:NEW VISION COOP
Pdcch transmission method and system for bandwidth aggregation on a mobile communications system
ActiveUS20110274074A1Enhanced PDCCHNetwork traffic/resource managementSignal allocationCommunications systemMobile station
The present invention relates to a PDCCH transmission method for a base station on a mobile communications system supporting bandwidth aggregation, and more particularly the invention relates to a PDCCH transmission method comprising the step of generating downlink control data comprising resource-allocation configuration data for any desired sub-band and a sub-band other than the desired sub-band, and the step of transmitting the generated downlink control data to a mobile station through the PDCCH of the desired sub-band, and the invention also relates to a system therefor comprising a mobile station.
Owner:SAMSUNG ELECTRONICS CO LTD +1
Methods and systems for irrigation control
A wireless system is provided for monitoring environmental, soil, or climate conditions and / or controlling irrigation or climate control systems at an agricultural or landscape site. In some embodiments, the wireless system includes at least one wireless nodes for monitoring environmental, soil, or climate conditions and / or for controlling one or more irrigation or climate control systems at the site. The wireless system also includes a server computer system located remotely from the site. The server computer system is coupled to the node / s over a communications network for receiving data from and controlling operation of the node / s. The server computer system is also coupled to a device operated by an end-user over a communications network for transmitting the data to and receiving remote control commands or queries from the end-user.
Owner:RAIN BIRD CORP
Method for selecting crop varieties
InactiveUS20090164281A1Choosing one or more crop varieties is simplifiedSeed and root treatmentSowingSoil typeSoil map
Owner:NEW VISION COOP
Dynamic light recipe for horticulture
InactiveUS20160088802A1Improve controlImprove fine tune morphologyRoot feedersElectrical apparatusDaylightGrow light
A lighting system and method for the growing of a plant seedling is disclosed, including at least one light source (30) for illuminating the plant seedling (39) with grow light during growth stages of the plant seedling growth process, and a controller for the controlling the spectral power distribution of the grow light emitted from the light source (30) such that the grow light in at least some growth stages of the plant seedling growth process comprises more energy in the blue wavelength range than in other growth stages of the plant seedling growth process. In use cases where the grow light is supplementing available daylight, an additional sensor (33) may be used to measure the amount and spectral composition of daylight and control the grow light such that spectral power distribution of total light received by the plant seedling is controlled accordingly.
Owner:SIGNIFY HLDG BV
Branching device for hybrid fan-out cable
A branching device for enclosing a hybrid fan-out cable the hybrid fan-out cable comprising plural optical cables and power cables, the branching device includes: an enclosure having a first end, through which the hybrid fan-out cable is inserted, and a second end that is opened; and a gasket provided at the second end of the enclosure and having plural through-holes; and a cover thread-coupled to the second end of the enclosure to fasten the gasket to the second end of the enclosure in such a manner that the through-holes are exposed. In the enclosure, the hybrid fan-out cable is branched out into plural individual sub-part cable components, and each of the sub-part cable components is drawn out through one of the through-holes of the gasket to the outside. The gasket is formed from an elastic material which forms a tight seal between the inner peripheral surface of the enclosure and with the outer peripheral surface of each of the sub-part cable components to seal the other end of the enclosure.
Owner:SAMSUNG ELECTRONICS CO LTD
Layering propagation method for tomatoes
ActiveCN104969748AGood physical propertiesSimple and fast operationVegetative propogationPaddy fieldAmmonium sulfate
The invention relates to a layering propagation method for tomatoes. The layering propagation method for tomatoes comprises the following steps: selecting healthy mother branches close to the ground, maintaining 20 centimeters of flower heads on the branches in heights, completely pressing stems with knobs in soil, pressing nutrient oil blocks above the pressed stems so that new roots are grown out on the stems pressed in the soil 5-7 days later, performing once purging transplanting in 7-10 days before planting so that the roots are disconnected with the parts connected with the mother branches, and combining hardening of seedlings so that wounds are healed; selecting a piece of paddy field, performing deep ploughing in the depth of 25-30 cm so as to facilitate soil aging, wherein base fertilizers needs to be applied additionally during deep ploughing, 500-1000 kg of decomposed manure or 20-25 kg of ammonium sulfate, 10-12.5 kg of urea and 20-25 kg of calcium superphosphate are applied in every mu of paddy field, and the paddy field is leveled; transplanting to the leveled paddy field in a horizontal cultivation manner as much as possible, and enabling the roots to be cultivated shallowly but not deeply, so that seedlings are fallen in the soil only; enabling heads of growing points to face the north so that the heads are automatically raised after cultivation; repeating the operation, and enabling the seedlings to be in a good order, so that fruits are above 20 centimeters in heights and are easy to manage, the yield is high, trees are not too high, and a good foundation is provided for high yield.
Owner:重庆赐康果蔬有限公司
Saline-alkali soil brackish water film mulching drip irrigation processing tomato planting method
ActiveCN105103857AEasy to mineReduce evaporationClimate change adaptationWatering devicesAridAlkali soil
The invention provides a saline-alkali soil brackish water film mulching drip irrigation processing tomato planting method, which comprises the following steps: (1) planting processed tomatoes: planting the processed tomatoes by adopting a manner of wide rows and high ridges, and mulching a white film above plants; (2) laying out a drip irrigation system, wherein an interval b between the drip irrigation systems is 48 to 52 cm; an interval a between drip emitters is 0.25 to 0.35 m; (3) carrying out high-frequency and small fixed amount water irrigation in a growing period of the processed tomatoes: alternatively irrigating brackish water and fresh water, and adopting the fresh water for irrigation in a seedling stage, and no irrigation in a red-mature period. The invention puts forward a cultivation method taking the brackish water and saline-alkali soil as targets in combination with the realities of shortage of fresh water resources, abundant underground brackish water resources and serious soil salinization in an arid region and a semi-arid region, and not only moisture is enabled to be held up within a field microcirculation of soil-and-film, deep seepage losses of the moisture are greatly reduced, but also under-film soil evaporation is remarkably lowered, sources of soil secondary salinization are cut off and the surface accumulation of salt is eliminated.
Owner:CHINA AGRI UNIV
High and steep rock slope ecological restoration structure and method
InactiveCN104452781AStable growthImprove securityExcavationsVegetative propogationSoil scienceRestoration method
The invention is suitable for the field of ecological restoration engineering, and provides a high and steep rock slope ecological restoration structure. The structure comprises multiple stages of gentle slope belts, each stage of gentle slope belt comprises a rock slope body and a gentle slope platform, a drainage ditch is formed in each gentle slope platform, and water stopping ditches are formed in the two sides of each rock slope body which is further provided with a plurality of plant growing strips; each stage of gentle slope belt is further provided with a supporting assembly and a reinforcing assembly used for reinforcing the rock slope body and the plant growing strips of the gentle slope belt; each stage of gentle slope belt is further provided with a growing substrate layer and seed mixtures sown on the growing substrate layer, each supporting assembly comprises an iron wire net and a plurality of supporting anchor rods, the plant growing strips are installed on the iron wire nets, and each reinforcing assembly comprises an active protecting net and a plurality of reinforcing anchor rods. The invention further discloses a high and steep rock slope ecological restoration method. Because the reinforcing assemblies and the supporting assemblies are arranged on the rock slope bodies, the rock slope bodies, the plant growing strips and the growing substrate layers are reinforced, and plant growing stability and plant growing safety are improved.
Owner:深圳市东华园林股份有限公司
Automatic Tower with Many Novel Applications
ActiveUS20160295820A1Efficient plantingEfficient tray managementElectric circuit arrangementsCoin-freed apparatus detailsEngineeringTower
There is provided a vertically stacked multi-layer storage system suitable for the provision of temperature and / or humidity controlled storage of materials. There is particularly provided a vertically stacked multi-layer system having suitable lighting for use with any tray, pot, aeroponic and hydroponic plant growing system and apparatus to combine growing in an integrated growth tray having a suitable lighting source located under the growth tray.
Owner:INTELLIGENT GROWTH SOLUTIONS LTD
Ecological ditch system for farmland return water pollution prevention and control and construction method
The invention relates to an ecological ditch system for farmland return water pollution prevention and control. The ecological ditch system comprises farm ditches, branch ditches, a reservoir / pond and a main ditch, wherein the farm ditches, the branch ditches, the reservoir / pond and the main ditch sequentially communicate. The ecological ditch system is constructed through the following steps of (1) farm ditch construction, wherein (1-1) the farm ditches are finished, (1-2) plants are planted, and (1-3) multiple stone steps are arranged; (2) branch ditch construction, wherein (2-1) the branch ditches are finished, (2-2) branch ditch slopes are arranged, (2-3) soil intercepting dams are built, (2-4) plants are planted and artificial aquatic plants are arranged, and (2-5) gabions are arranged; (3) reservoir / pond construction; and (4) main ditch construction. According to a construction method, finishing and ecological reconstruction are carried out based on an original ditch, drainage of farmland overland runoff and farmland irrigation water is facilitated better, and the structure of agricultural production is not changed in the whole reconstruction process; and meanwhile the purification capacity of the ditch on pollutants in farmland drained water can be improved, no cultivated land resource is additionally occupied, the construction method and process and daily maintenance are simple, and implementation and popularization are easy.
Owner:SHANDONG ANALYSIS & TEST CENT
Method for monitoring environmental impacts of crop cultivation
InactiveUS20110313666A1Increase awarenessEasy to compareWeather influencing devicesPlant cultivationEnvironment effectCrop cultivation
The invention relates to a method, a system, apparatus, and software to be used for the method for the determination of the environmental impact of the production of cultivation plants and for increasing or maximizing a positive environmental impact. In the method, production parameters for cultivation are selected and cultivation procedures are performed, crop yieldhus produced is harvested, and a representative sample of the crop yield is delivered to reception analysis with the appendant information for the analysis of energy and carbon dioxide factors. An environmental impact index reflecting the environmental impact of the production of said cultivation plant is determined on the basis of this data and the appendant information. The index thus provided is utilized for the production of cultivation plants in an environmentally friendlier manner.
Owner:RAISIO NUTRITION LTD
High-yield planting technique for organic sweet potatoes
InactiveCN104303737AQuality assurancePromote absorptionBiocideSeed and root treatmentOrganic farmingOrganic fertilizer
The invention belongs to the technical field of organic agriculture planting, and particularly relates to a high-yield planting technique for organic sweet potatoes. In the process of arranging a seedbed, thoroughly decomposed organic fertilizer is applied, sweet potatoes of a detoxified variety are selected as seed potatoes, seedlings are cultured and seeds are arrayed in inclined arrangement, seedling holes are formed at large intervals, a large seedling and a small seedling are planted in each hole, in the process of field management, plant pesticide is used for killing insects, and seedling harvesting is completed at the season of Cold Dew. In the process of planting the sweet potatoes, pesticides and fertilizers are not used. A plant leaching solution with insect killing effects, such as tripterygium wilfordii, tea seed dregs and ginkgoes, is used for soaking the seed potatoes to disinfect the seed potatoes, and at the same time, the components and the formula of the organic fertilizer are strictly controlled, so that the nutritional requirement of the sweet potatoes in the process of growth is ensured. The sweet potatoes planted by the technique disclosed by the invention have the advantages of good quality, greenness, no pollution and high yield.
Owner:CHANGSHA GUCHONG AGRI TECH
Slope greening protective structure and construction method thereof
ActiveCN104314087ASolve problems such as cell node ruptureConvenience constraintsExcavationsVegetative propogationRebarHerbaceous plant
The invention discloses a slope greening protective structure and belongs to the technical field of the ecological protecting technology. The slope greening protective structure comprises a lattice type net frame which is fixedly mounted along a stable slope; the lattice type net frame is composed of longitudinal rib columns and a transverse reinforcing bar rack, wherein the rib columns comprises rib column reinforcing bars and rib column concrete jet onto the rib column reinforcing bars, the rib column reinforcing bars are fixed on the left and the right of exposed portions of anchor rods anchored into the slope through the anchor rods; the reinforcing bar rack is composed of anchors anchored into the slope and at least full-length reinforcing bars fixed to the exposed portions of the anchors, and the reinforcing bar rack is provided with seed-nutriment sacks which contain nutriment substrates and shrub seeds; the seed-nutriment sacks and the junction portions between the rib columns on both sides and the slope are sealed. The invention also provides a corresponding construction method of the slope greening protective structure. The construction method of the slope greening protective structure greatly shortens the construction cycle, reduces the potential risks of the protective structure and enhances the slope protecting effects.
Owner:CHONGQING CONSTR ENG MUNICIPAL TRAFFIC ENG +1
Abrupt slope spray-seeding greening method
InactiveCN104303749AAvoid churnGreen realizationExcavationsVegetative propogationFiberDrip irrigation
The invention provides an abrupt slope spray-seeding greening method. The method comprises the following steps of clearing away loose stones and impurities on the surface of a slope; embedding grouting anchors in the abrupt slope, grouting for anchoring, inserting common anchors, and fixing by using reinforced belts; laying a geogrid, namely horizontally and longitudinally laying porous water pipes on the geogrid in a staggered way and laying an inverted filter on the geogrid and the porous water pipe until the inverted filter covers the porous water pipe; spraying a matrix and a seed mixture onto the inverted filter, or planting seedlings of plants in a matrix; laying a plant fiber net on the matrix and fixing by using a rattan net; laying a nonwoven geotextile on the rattan net; performing maintenance on plants, watering in an initial stage, performing drip irrigation in a later period, and removing the geotextile after the plants survive. According to the method, water and soil loss of the slope can be effectively prevented, the water-holding capacity of the laid green belt is high, the green belt is subjected to drip irrigation to save water resource, the slope can be greened in a short time, and the restored slope has a good greening effect and is stable in structure.
Owner:WUHAN GAN SHI DAI ENVIRONMENT RESOURCE TECHCO
Composite ecological breeding system
InactiveCN105638523AEfficient recyclingReduce pollutionClimate change adaptationPisciculture and aquariaPollutionCulvert
The invention relates to a composite ecological breeding system. The composite ecological breeding system comprises four modules, namely the fish breeding module, the prawn-crab breeding module, the rice growing area and the aquatic vegetable area. A river system is established to be of a latticed structure through a culvert. By the adoption of the composite ecological breeding system, nutrients can be utilized among breeding units of different animal and plant modules, pollution is reduced, substance energy flow rate is increased, and finally zero-release, efficient and low-carbon ecological breeding is achieved.
Owner:HUAIAN SUZE ECOLOGICAL AGRI CO
Pond circulating running water four-level ecological planting and breeding method
ActiveCN105010203AImprove qualityTender lotus rootClimate change adaptationPisciculture and aquariaEutrophicationFeces
The invention relates to an aquaculture technology, in particular to a pond circulating running water four-level ecological planting and breeding method. The problem that water in an existing pond eutrophicates is solved. As a big pond is divided into a running water culture region, a primary utilization region, a plant purifying region and a benthonic animal purifying region, residual bait and feces are collected in a centralized mode, water is purified through an biologic chain and prevented from eutrophicating, and meanwhile economic benefits can be increased.
Owner:常州鸣人信息科技有限公司
Environment detection system
An environment detection device for detecting a plurality of environmental conditions comprising a housing unit. The housing unit contains a plurality of sensors, a battery, and a memory storage device. The housing unit further includes a circuit board electrically connected to the plurality of sensors, the battery, and the memory storage device. The plurality of sensors includes a sunlight intensity sensor, a timer, a temperature sensor, and a moisture sensor. Additionally, a method is provided for determining vegetation capable of thriving in certain environmental conditions. The method includes sensing the environmental conditions, storing the environmental conditions on a memory storage device, and downloading the environmental conditions to a database, wherein the database displays a list of vegetation capable of surviving in the plurality of environmental conditions.
Owner:ENVIRONMENT SENSOR SYST LLC
Method of producing a horticultural display
Owner:DUMMEN GRP BV
Method for improving repairing efficiency of heavy metal polluted plants
InactiveCN104871850ARemove or reduce toxic effectsEasy accessHorticulture methodsVegetative propogationGrowing seasonMetal contamination
The invention discloses a method for improving the repairing efficiency of heavy metal polluted plants. The method comprises the following steps: growing plants with an enriching or super-enriching ability to heavy metal on heavy metal polluted soil or water; when the main stems of the plants grow leaves, spraying a heavy metal pollution repairing improver on the leaves; removing heavy metal pollutions by harvesting dead leaves of the plants in plant growing season. The method has the advantages that not only can the repairing efficiency of the heavy metal polluted plants be improved, but also heavy metal poisoning the plants can be reduced or removed, and the application range of heavy metal polluted plant repairing is extended.
Owner:SHANGHAI JIAO TONG UNIV
Rooting agent for woody plants cutting
A rooting agent for woody plants cutting includes raw materials of: sodium naphthalene-1-acetate, naphthalene acetamide, catechol, vitamin C, oxadixyl-mancozeb, boric acid, white sugar and urea. The rooting agent of the present invention contains various beneficial substances and rich nutrients and is easy absorbing. The rooting agent is capable of effectively improving rooting rate of woody plants cutting, and plants which are difficult to root has a high rooting rate after applying the rooting agent.
Owner:YIBIN YUNCHEN ARBOR GARDEN
Ecological slope protection structure for ion rare earth mine
Owner:JIANGXI UNIV OF SCI & TECH
Growing systems and methods
Growing systems may include a number of modular growing chambers adapted to be configured in a stacked arrangement with each growing chamber surrounding a corresponding portion of the plant. The grow chambers may be selectively added or removed during plant growth, such that different sections of the growing plant may be influenced differently using aeroponic, hydroponic or other growing techniques. The grow chamber stack may be portable and provided with integrated or independent lifting devices to assist an operator in adding or removing chambers from the stack. Three growing processes may be facilitated using such systems. These include a process for producing assorted product from a single plant for simultaneous harvest, a process for producing an extended harvest of a desired size product from a single plant, and a process for extending the productive life of a plant and provide for multiple, continued, and perpetual harvest.
Owner:MASSIVIA GROW HLDG LLC
Method for cultivating echeveria
InactiveCN104322262AImprove germination rateImprove aestheticsVegetative propogationTemperature differenceRiver sand
The invention discloses a method for cultivating echeveria. The method comprises the following steps of selecting leaves of a houseleek succulent plant at the ambient temperature of 15-25DEG C, separating the leaves from a parent body at leaf stalks, dipping the leaves in carbendazim wettable powder solution for 2 to 3 seconds, and placing the leaves in a shady and cool place for 6 to 12 hours; mixing bone meal, gardening soil, pine needle and river sand, spreading out the mixture, and watering thoroughly; flatly placing the leaves on the surface of the mixed soil, placing in a shady, cool and ventilated place, germinating new leaves after 1 to 3 weeks, moving the houseleek succulent plant to an outdoor place, and cultivating the plant under the sun for 2 to 4 weeks; keeping the temperature in a range of 5-10DEG C at night and cultivating the plant under the sun in daytime. The mixture of the bone meal, the gardening soil, the pine needle and the river sand serves as a leaf cutting medium, so that the germination rate of the leaves is improved and reaches to more than 98 percent, sources are rich and the cost is low; a mode of cultivation in daytime in an exposing way and planting at low temperature at night is selected, so that temperature difference is enlarged, succulent leaves are rendered with color, and the attractiveness of the leaves is improved.
Owner:ZHANGJIAGANG DAXIN LIQUN FARMER SPECIALIZED COOP +1
Cultivation method for improving yield of sweet potatoes in hilly and mountainous areas of northern potato planting region
InactiveCN104855116AIncrease light simplificationIncrease productionPlant protectionVegetative propogationDiseaseChemical control
The invention provides a cultivation method for improving the yield of sweet potatoes in hilly and mountainous areas of a northern potato planting region. The cultivation method comprises the steps of selecting a variety, cultivating strong seedlings, conducting ridging and applying fertilizer in an integrated mode, planting the seedlings early in an appropriate period, covering the seedlings with a plastic film, conducting chemical control, preventing and controlling diseases and pests and harvesting the sweet potatoes through machines. According to the step of cultivating the strong seedlings, seeds are dipped in gibberellin to promote sprouting, and strong seedlings and high sheared seedlings are selected carefully. According to the step of planting the seedlings early in an appropriate period, the seedlings are dipped in a modifier, three leaves remains on each seedling, the seedlings are planted in a drought-resisting mode, the seedlings in pits are watered with enough water, and reasonable close planting is adopted. According to the step of preventing and controlling diseases and pests, the diseases are prevented and controlled, and the pests are prevented and controlled. The advanced planting technologies including planting the seedlings early and densely, taking drought resisting measures in a seedling period and the like are adopted, so that the yield of the sweet potatoes is remarkably improved; the comprehensive degree of the technologies is improved, the cultivation technological level of the sweet potatoes in the hilly and mountainous areas is comprehensively improved, work efficiency is improved, and production cost is reduced; meanwhile, the standardization degree is high, and a foundation is laid for standardized setting and popularization of the cultivation technology of the sweet potatoes in the hilly and mountainous areas of the northern potato planting region.
Owner:CROP RES INST SHANDONG ACAD OF AGRI SCI
Cucumber cultivation method
InactiveCN104641872APromote growthStrong stress resistanceVegetative propogationHigh resistanceWarm water
A cucumber cultivation method includes the steps of Step 1 seedling cultivation, Step 2 pre-sowing preparation, Step 3 planting, Step 4 field management and Step 5 picking. The seedling cultivation includes 1 variety selection: selecting a high-quality and high-yield variety suitable for being grown locally and high in stress resistance according to different cultivation methods; 2 seedling raising modes: choosing a seedbed soil seedling raising mode and a nursery pot seedling raising mode; 3 seed using amount: using about 100 grams of seeds with a germination rate over 85% per mu (one mu equals about 1.667 square meters); 4 seed soaking: disinfecting seeds with carbendazim added to warm water at the temperature of 55 DEG C-60 DEG C for 15-20 minutes, and then soaking the seeds in warm water for 5 hours-6 hours; 5 germination acceleration: wrapping the fully soaked seeds with wet gauze for germination at the optimum temperature of about 15 DEG C-20 DEG C, and sowing when the seeds germinate after two to three days. The cucumber cultivation method can achieve better growing of cucumbers in the planting process and high stress resistance of the cucumbers to ultimately achieve high yield of the cucumbers, thereby enabling farmers to gain good earnings.
Owner:重庆茂升林业开发有限公司
Method and apparatus in connection with forestry machine
ActiveUS20120323453A1Improve productivityPromote resultsAnalogue computers for trafficRegistering/indicating working of vehiclesComputer scienceEnvironmental resource management
An apparatus comprising means for collecting data measured from operation and / or a state of a forestry machine and / or describing an environment thereof, which date may consist of one or more parameters, means for processing the collected data, and means for influencing, on the basis of the processed data, one or more parameters controlling the operation of the forestry machine or for conveying feedback or an instruction or a prompt to a driver to change his or her control.
Owner:PONSSE
Methods for estimating intrinsic autotrophic biomass yield and productivity in unicellular photosynthetic algae
InactiveUS20100107487A1Algae productsComputation using non-denominational number representationProduction rateGram
A robust methodology is described herein for determining the algae biomass photoautotrophic yield (in gram of biomass synthesized per μmole of absorbed photons), which is useful for reliable biomass productivity estimates for selecting, comparing, and optimizing algae cultures for large-scale production. Another method is provided herein to increase dissolved inorganic carbon concentration and alleviate limitations common in aerated small-scale batches. This carbonate addition method allows for a more accurate determination of the algae culture photoautotrophic yield under small-scale experimental conditions. Also provided herein is a method for estimating a light spectrum-dependent scatter-corrected algae-specific absorption cross section, which permits the use of Beer's law to estimate the fraction of photons absorbed by a given algae culture. Determination of the algae photoautotrophic yield and absorption cross section enable a full photobioreactor parameterization and the resulting capacity to achieve highly controlled nutrients-supply conditions.
Owner:HOLLAND ALEXANDRA D
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