285 results about "Mature stage" patented technology

The invention relates to a propagating method of Dendrobium officinale Kimura et Migo seedlings, characterized in that, vigorous Dendrobium officinale Kimura et Migo maternal plant is performed with artificial pollination, the obtained fruit is sanitized and cut, seeds are used for bourgeoning culture medium, causing the seeds to bourgeon protocorm and further form young seedling, then the young seedling propagated in s test tube is cultivated by test tube blossom culture medium, the vigorous plant is selected with artificial pollination in the test tube after blossom, cut after fruit ripening with aseptic seeding, causing the seeds to develop into small plant, which is cultivated on good seedling culture medium, mature shoot is formed, the mature shoot is performed with seedling exercising in the natural light, furthermore cultivated into the seedling. The invention is simple in operation, low in cost, greatly shortened in maturing stage of the fruit of Dendrobium officinale Kimura et Migo, high in efficiency and no plant diseases and insect pests, and transplanting success ratio reaches more than 95%.

The invention discloses a method for evaluating hydrocarbon potential key parameters of high-quality hydrocarbon-source rock, and belongs to the technical field of oil and gas resource evaluation. The method includes the key steps of firstly, determining an immature and low-mature oil hydrocarbon expelling threshold, a normal hydrocarbon threshold and a normal hydrocarbon expelling threshold of high-quality hydrocarbon-source rock according to geochemistry data of hydrocarbon-source rock; secondly, establishing the hydrocarbon-source rock hydrocarbon amount and a hydrocarbon rate evaluating model; thirdly, establishing the hydrocarbon-source rock hydrocarbon expelling amount and a hydrocarbon expelling evaluating model, and evaluating the target level hydrocarbon-source rock hydrocarbon expelling amount and hydrocarbon expelling rate key parameters; fourthly, establishing a high-quality hydrocarbon-source rock organic carbon recovery coefficient evaluating model, and evaluating a target level hydrocarbon-source rock organic carbon recovery coefficient; fifthly, evaluating a research area target level high-quality hydrocarbon-source rock hydrocarbon potential plane graph, and analyzing the relation between the plane graph and tight oil hydrocarbon contribution. Immature and low-mature stage hydrocarbon potential key parameters of high-quality hydrocarbon-source rock are subjectively and accurately evaluated, and the blank, weakened by people in the past, of immature and low-mature stage hydrocarbon of high-quality hydrocarbon-source rock is filled in.

The invention relates to the field of agricultural information technology, and discloses a fruit tree yield estimation method and a fruit tree yield estimation device. The method comprises the steps of: S101, obtaining a crown image of a single fruit tree in a mature stage and position data of the fruit tree; S102, identifying number of fruits in the image according to color and shape characteristics of the fruits; S103, computing fruit yield data of the single fruit tree; S104, generating a yield statistical chart according to the position data of the fruit tree and the computed fruit yield data of the single fruit tree. By using the fruit tree yield estimation method and device provided by the invention, professional devices and technical staffs are not needed, method is simple, economic cost is low, repeatability is high; furthermore, the method focuses on the single fruit tree instead of a whole planting area, thus being more suitable for scattered farmers, and convenient for the farmers to rapidly adjust management strategies according to actual situations.

The invention provides a ground silage method comprising the following steps of: harvesting at the mature stage of silage raw materials and cutting up the raw materials into strip-shaped objects of 0.5-3cm; stacking the silage raw materials on the ground in a rectangular form; compacting for one time when being stacked by one meter and stacking for 1-5 meters according to the requirements; after stacking, cleaning the top and the periphery of a silage pile, wrapping and tightly sealing the whole silage pile by a black-white dual-color compound film, and allowing the black part of the film to face inwards and the white part to face outwards; and arranging drainage ditches on the periphery of the silage pile and obtaining a silage feed after being subjected to silage for 45-70 days. The method is not limited by places and the quantity of the silage raw materials, has low manufacturing cost, saves the expenses for building silos and trenches by inputting large amount of funds one step, and can maintain favorable water content; and the obtained silage feed has high quality and sufficient nutrients.

The invention relates to a method for inducing an embryonal-suspensor mass (ESM) regeneration plant from an immature seed of pinus massoniana. By using the characteristic of continuous schizogenesis capability of the ESM in the immature seed of the pinus massoniana, solid culture and liquid culture are performed alternatively and ESM forms a completely-grown embryo with a normal structure after a maintaining stage, a multiplication stage, an embryo pre-mature stage and a maturation culture stage, so that a pinus massoniana plant is obtained by germinating and culturing the embryo. Due to the adoption of the method, a large number of regeneration plants of a pinus massoniana embryo of which the hereditary basis is accordant can be obtained and new technology with a short period and high occurring efficiency is provided for the storage of pinus massoniana rare generic resource and the mass production of excellent-gene nursery-grown plants.

The invention provides a preparing and application method of an Arundo donax biological charcoal serving as a nitrogenous fertilizer synergist. The preparing and application method comprises the steps of: harvesting mature-stage Arundo donax, shearing into small segments of 2-5cm, and air-drying for later use; heating the Arundo donax segments to 350-650 DEG C at a heating rate of 1-20 DEG C/min under the protection of inert gas at a flow rate of 200-500mL/min for charring for 1-6h; after charring is finished, cooling to room temperature under the protection of inert gas; crushing prepared biological charcoal into particles of 1-5mm, sealing, and storing in a drying place for later use; and applying the crushed biological charcoal to agricultural soil at a ratio of 0.1-8%, and sufficiently mixing to be uniform, wherein the soil moisture content is kept at 60-80%. The preparing and application method is simple in operation, low in cost and significant in effect, and is suitable for the situation of China; and by using the method, the nitrogenous fertilizer absorption of the crop is promoted, the nitrogenous fertilizer loss is reduced and the nitrogenous fertilizer utilization efficiency of the crop is improved.

The invention discloses microencapsulated multistage release biogenic preservative for raw materials of pickled solanaceous vegetables, which is made by steps: firstly, preparing beta-cyclodextrin-essential oil microcapsules; secondly, preparing chitosan essential oil-microcapsules; thirdly, preparing porous starch-essential oil quick release microcapsules; and fourthly, mixing the microcapsules prepared from the second step to the third step according to a weight ratio of 2:4:5 to 6:3:1, and bagging the microcapsules into small packing bags or placing on coated composite paper to obtain the multistage release biogenic preservative. The microencapsulated multistage release biogenic preservative for raw materials of pickled solanaceous vegetables is convenient in application, efficient, pollution-free and effective in preservation and has no effect on flavor of pickles, mature stages of the pickled solanaceous vegetables are uniform, fermenting effect of the pickled solanaceous vegetables is fine, contamination by sundry fungi brought by the raw materials in fermentation is avoided, loss is reduced, and the quality of pickles is high and stable.

The invention provides a typhoon positioning detection method based on a Himawari meteorological satellite. A meteorological satellite cloud atlas in 0.64-micron short-wave infrared window frequency band is adopted, the detection precision is higher, and the instantaneity is good; since the form of the typhoon is highly irregular at the beginning and the end of the typhoon, a detected center location and a CMA optimal path are large in deviation; and when the typhoon forms obvious eye of wind or is at a mature stage, the detection method has high accuracy on the centralized positioning of thetyphoon.

The invention discloses a cultivating method of red-flesh apples. The cultivating method comprises the following steps in sequence: selecting the branches of apple trees with bud change; grafting the branches with bud change on Fuji apple trees to be used as male parents, wherein the branches with bud change are wooden, and the bast is red; collecting the pollen from the grafted branches; drying at 35 to 37 DEG C for standby; selecting the Fuji apple trees as female parents; removing stamens of the fame parents and remaining pistil at beginning-flower stage; and covering by a bag; pollinating the female parents by the prepared pistil at pistil mature stage; and cultivating the hybrid seeds in current season; and the seeds are flowered and fruited in the fourth years after the seeding, and is one month earlier than Fuji apples in mature stage. According to the cultivating method of the red-flesh apples, natural pistil is collected, and artificial pollination is implemented, so that the fertility rate is increased, natural pollens are adopted, and transgenosis molecules do not exist, so that the red-flesh apples are healthy and have no pollution; and according to the cultivating method, the germination rate and the branching rate are high, the fruit setting rate and the output are high, the yield stabilizing ability is high, and fruits are premature, high-quality and high-output.

The invention relates to a culture method for anaerobic granular sludge for acrylic waste water biochemical treatment, belonging to the technical field of waste water treatment. According to the culture method, a culture process for the granular sludge is divided into three stages, a sludge domestication stage is a process for inoculating the sludge to be adaptive to the water quality of acrylic waste water, reserving high-quality strains, and eliminating the other strains; a sludge granulation stage is the key stage of the culture for the anaerobic granular sludge, and the anaerobic granular sludge needs to be controlled in the aspects of water inlet organic matter concentration, ascending flow velocity, organic load, water inlet basicity, pH, nutrient elements, temperature, trace elements, flocculant pouring and the like; and when the grain ratio increasing speed of the granular sludge is sharply reduced, and the removal rate for effluent CODCr (chemical oxygen demand Cr) is stabilized to be greater than 70%, a mature stage for the granular sludge is entered, and the entrance in the mature stage indicates that the culture for the granular sludge is finished. With the culture method, the problem that a method for culturing common anaerobic granular sludge is not suitable for culturing anaerobic granular sludge aiming at acrylic waste water is solved, and the successful culture for the granular sludge is effectively ensured.

The invention provides a fertilizing method for planting cigar tobacco. The fertilizing method comprises the following steps of: firstly, early fertilizing base fertilizer: in 20-30 days before transplanting, trenching on the formed land with the interval of 110cm, the depth of 10-15cm and the width of 8-10cm, uniformly paving the base fertilizer at the bottom of the trench and ridging; secondly, applying seedling protecting fertilizer for transplanting: when small cigar seedlings are transplanted, dissolving ammonium nitrate into water, injecting the mixed solution and pesticide as transplanting water into the root parts of the seedlings, wherein 3-5kg of ammonium nitrate is fertilized in each mu; thirdly, irrigating roots by using seedling restoring fertilizer: in about 7 days after the tobacco seedlings are transplanted, irrigating the roots by using 5-7g/mu of potassium nitrate and an insect infestation resisting pesticide and then covering a layer of fine soil around tobacco roots; fourthly, timely applying seedling eccentric fertilizing; fifthly, digging holes and applying and burying growth flourishing fertilizer and irrigating by matching the growth flourishing fertilizer with biogas slurry; and sixthly, carrying out additional fertilizer and spraying at the mature stage. The fertilizing method disclosed by the invention has the advantages of simplicity in operation, standard specification, strong pertinency and greatly-improved yield and quality of cigar tobacco.

The invention relates to a method for intermediate cutting growth of pinus massoniana. The method particularly comprises that: for a new afforesting land, the optimal silviculture density is 3,100 to 3,300 plants/hectare, the trees of which the stand age is 16 years undergo 20 to 30 percent of intermediate cutting for the first time, and the trees of which the stand age is 20 years undergo 20 to 30 percent of intermediate cutting for the second time; and the trees of which the stand age is more than 26 years stop growing and are at the over-mature stage, and cut at the time, and the forestry land is replanted. For the planted forestry site, the pinus massoniana of which the stand age is 16 years uses different intermediate cutting strengths of between 20 and 51 percent: namely the forest stand of which the density is 2,445 to 3,210 plants/hectare uses the intermediate cutting strengths of between 20 and 29 percent, the forest stand of which the density is 3,210 to 3,990 plants/hectare uses the intermediate cutting strength of between 30 and 39 percent, the forest stand of which the density is more than 4,590 plants/hectare uses the intermediate cutting strength of between 40 and 51 percent, the trees of which the stand age is 20 years can undergo 20 to 30 percent intermediate cutting for the second time, the trees of which the stand age is more than 26 years stop growing and are at the over-mature stage, and cut at the time, and the forestry land is replanted. The method has the advantages of keeping the self control ability, biological diversity and productivity of forest land of the forest ecosystem and increasing the timber output.

The ecological plant protectant consists of high-fat component and other component mixed together and is diluted with water and sprayed. It comes in eight types, including cold protecting one capable of raising temperature by 1-2 deg.c to prevent cold damage to plant; drought preventing one capable of reducing foliage evaporation to raise yield; disease preventing one to reach fungus, bacteria and virus preventing effect as high as 50-80 %; pest preventing one to reach pest preventing effect as high as 90 %; growth promoting one to raise growth rate of plant; robustness giving one to reach a yield increase of 10-15 %; mature promoting one to move up mature stage by 10-15 days; and mulching spraying one capable of raising ground temperature by 1-2 deg.c to increase yield.

The invention belongs to the field of agricultural remote sensing, and relates to a regional crop maturing stage prediction method based on accumulated temperature, radiation and soil water content. The specific steps of the method include: S1, synthesizing MODIS NDVI data of a to-be-predicted crop at a whole growing stage according to a time sequence, and extracting a planting region by employinga random forest algorithm; S2, constructing an accumulated temperature and radiation model from a heading stage to a maturing stage in a full irrigation condition; S3, constructing a Thiessen polygonby regarding agricultural weather stations as nodes; S4, calibrating a SWAP model of the to-be-predicted crop of a research region; S5, establishing a maturing stage correction factor lookup table ofthe soil water content at the whole growing stage and a maturing date of the to-be-predicted crop in a water stress condition; and S6, dynamically adjusting maturing stage model results of accumulated temperature and radiation grid unit by grid unit, and obtaining an optimal maturing stage prediction result of the to-be-predicted crop. According to the method, advantages of a statistical model and a mechanism model are combined, the maturing stage of the crop can be predicted in a large-region scale, and the prediction precision of the maturing stage of the crop is improved.

The invention discloses an asexual propagation and culture technique for medium-sized pennisetum alopecuroides and relates to the technical field of introduction, domestication and culture of wild pennisetum alopecuroides. The asexual propagation and culture technique for the medium-sized pennisetum alopecuroides consists of an asexual propagation part and a culture management part and is completed according to the following steps of: A, performing asexual propagation which comprises root transplanting propagation and stem segment cuttage propagation; and B, performing culture management, wherein a nitrogenous fertilizer is applied at the seedling stage or in the period of seedling establishment, thinning is carried out at the seedling stage, scarification is carried out and weeds are removed after seedlings emerge in the first year, an ammonium phosphate composite fertilizer is applied at the tillering and jointing stage, the nitrogenous fertilizer and the ammonium phosphate composite fertilizer are applied supplementally after the pennisetum alopecuroides is mowed and grazed, and the pennisetum alopecuroides is mowed and utilized at the initial stage of earing and harvested at the mature stage at the end of October. The problems of a low maturing rate, a low emergence rate, propagation difficulty and the like in the actual production of the medium-sized pennisetum alopecuroides and other wild species of pennisetum alopecuroides are solved. The propagation speed of the medium-sized pennisetum alopecuroides can be rapidly improved. The technical support and the guarantee are provided for large-scale popularization and application of the species in the western region of China.

The invention discloses a preparation and an application method for a special multi-nutrition full-water-soluble serial fertilizer for bananas. The special multi-nutrition full-water-soluble serial fertilizer for bananas consists of three fertilizers, including a special fertilizer at the growth period of a banana vegetative body, a special fertilizer at the bud stage and a special fertilizer at the fruit development and mature stage. The three special fertilizers all consist of N, P2O5, K2O, CaO (or MgO), Fe, Mn, Cu, Zn, B, Mo, organic matter, an anti-blocking agent and a complexing agent with specific content, and are respectively used at the growth period, at the bud stage and at the fruit development and mature stage of a banana vegetative body by drop irrigation, spray irrigation or flushing applying modes. By utilizing the serial fertilizer, not only can the requirement for various nutrients for bananas at different growth stages be met, can the blindness for selecting the fertilizer by farmers be solved, but also the requirement for the fertilizer by a banana water-fertilizer integrated system can be met.

Provided herein is a method of cultivating a grafted cactus (Gymnocalycium mihanovichii) cultivar “Yellow Top” including the steps of: a) selecting a cross combination between “GG02451” and “GG205736”; b) crossing the combination, harvesting cactus fruits after a mature stage has been passed, disinfecting the cactus fruits, selecting and sterilizing seeds contained in the cactus fruits, and sowing the seeds; c) obtaining germinated seedlings; d) selecting only colored seedlings from the germinated seedlings; e) first-grafting the selected colored seedlings onto small virus-free Hylocereus trigonus in test tubes; and f) covering light-shielding film on the cultured seedlings to harden the seedlings and secondarily grafting only the seedlings onto Hylocereus trigonus.

A sugar cane family comprehensive assessment method comprises a family and combination assessment and a family offspring individual selection. The sugar cane family offspring, namely seedling is subjected to core testing and the large-area commercial variety is used as the control variety and the technical character performance and agronomic character performance of offspring and control variety are detected at mature stage, and the important characters of parents and family are respectively analyzed using a R software, namely general combining ability GCA and special combining ability SCA of sugar cane main unit-area sugar content. The parent paternity and maternity are assessed according to the general combining ability GCA to screen good male parent and female parent. The family strength and weakness analysis is performed according to the special combining ability SCA of family sugar content and the other character and the performance of the control variety and thus the selection rate of tested family is calculated and the selection number of good individual is determined according to the family offspring number. The sugar cane family comprehensive assessment method performs the seed selection and parent and combination assessment, thus the influence of environment and human factor on the selection is greatly reduced therefore the seed selection is more quick and accurate.

The invention belongs to the field of agricultural remote sensing and discloses a regional corn mature period prediction method based on a time sequence LAI curve integral area. The method comprises the steps of (S1) obtaining a planting area map of corns of a 500-meter grid unit, (S2) reconstructing a LAI time sequence by using a filtering algorithm with MODISLAI products in a corn growth period, (S3) using a dynamic threshold method to obtain a specific date of a tasseling stage, (S4) calculating corn growth periods of past three years, and calculating a percentage average value Rave of an integral area from the tasseling stage to a mature stage in an integral total area from seedling emergence to matureness, (S5) forming a whole growth period LAI integral curve, (S6) calculating an area ratio Rpre day by day in a forecast interval, and taking a corresponding date as a corn mature period when Rpre is larger than or equal to Rave, and (S7) predicting a mature period by a 500-meter grid unit, generating a regional corn mature period prediction spatial distribution map, and guiding the timely harvest of crops.

The invention relates to a seed selection method for molecular marking assisted selection of high-resistance rice blast materials, and belongs to the field of rice breeding. Specific molecular marker is assisted to select the diseases resistance gene materials, and field diseases resistance identification is combined, so the seed selection target is clear and efficient. The method includes the following steps: 1, hybridizing a resistant parent containing rice blast resistant gene Pi40 with a susceptible parent Jijing 88 to construct an anti-infectious group, and identifying and screening the above progeny group; 2, extracting DNA of an individual anti-infectious strain, carrying out PCR amplification, and carrying out electrophoresis analysis; and 3, planting rice blast resistance gene Pi40-containng rice variety NG13 and susceptible variety Jijing 88 and the individual anti-infectious group progeny strain in a rice blast high incidence area Songyuan city in Jilin Province, inducing the rice blast under natural conditions, and respectively carrying out leaf and panicle blast resistance investigation in the seedling and mature stage. The field anti-infectious group is constructed, a molecular marker for screening the rice blast resistant gene Pi40 is used, and the disease resistance identification of a rice blast high incidence area is combined, so efficient directed improvement and cultivation of rice blast resistant new varieties are realized, and the method is of great practical significance for field breeding.

The invention discloses a high-over mature stage out-of-source disperse dissoluble organic matter gas generation quantitative evaluation method. The method comprises the following steps: carrying out quantitative evaluation on residual ineffective carbon obtained through reservoir oil cracking gas generation by selecting rock samples and a single well logging curve; establishing an out-of-source disperse dissoluble organic matter gas generation quantitative evaluation model, and determining ineffective carbon productivity, charging proportion of disperse dissoluble organic matters at each stage and gas generation conversion rate; and carrying out quantitative evaluation on high-over mature stage out-of-source disperse dissoluble organic matter gas generation amount and gas generation stage. The method enriches natural gas exploration geological theory; the high-over mature stage out-of-source disperse dissoluble organic matter gas generation evaluation method is improved; the method is used for determining the high-over mature stage out-of-source disperse dissoluble organic matter gas generation amount and gas generation stage; and the method has many advantages in evaluating the out-of-source disperse dissoluble organic matters on the basis of an ineffective carbon inversion technology method.

The invention discloses a flue-cured tobacco fertilization method under drip irrigation. The flue-cured tobacco fertilization method comprises the following steps of (1) drip irrigation, wherein a drip irrigation mode is adopted to irrigate flue-cured tobacco, at the root extending stage, 10-30 days after transplanting, irrigation is conducted twice, the drip irrigation quantity of each plant is controlled as 0.8-1.6 L, at the vigorous growing stage, 30-60 days after transplanting, irrigation is conducted three times, the drip irrigation quantity of each plant is controlled as 1.2-2.4 L, at the mature stage, 60 days after transplanting to mature days, irrigation is conducted once or twice, and the drip irrigation quantity of each plant is controlled as 0.4-0.8 L; (2) fertilization, whereina base fertilizer is applied, then topdressing is conducted, and the ratio of base nitrogen to dress nitrogen is 3:7-5:5. By means of the method, according to the water requirement characteristic ofthe flue-cured tobacco, an appropriate water environment is built for the flue-cured tobacco, meanwhile, under the condition, fertilizers and the application modes and application amounts of the fertilizers are adjusted, yield and quality improvement of the flue-cured tobacco is achieved, the fertilizer rate is lowered at the same time, the method is simple, and extended popularization is convenient.