36 results about "Northern latitude" patented technology

A solar powered aerial vehicle includes an elongated airframe incorporating lifting and control surfaces, a mechanism for propelling the airframe through the air such that lift developed by the lifting surface is equal to or greater than the weight of the aerial vehicle, a planar solar sail coupled to the airframe and having at least one surface adapted to collect solar energy during the day and to power the propelling mechanism with a first portion of the energy collected, and an apparatus such as a fuel cell / electrolyzer for storing a second portion of the solar energy collected by the solar sail during the day and for powering the propelling mechanism with the second portion of energy during the night. The vehicle is capable of continuous operation at northern latitudes and during the winter months for extended periods without landing or refueling.

A solar powered aerial vehicle includes an elongated airframe incorporating lifting and control surfaces, a mechanism for propelling the airframe through the air such that lift developed by the lifting surface is equal to or greater than the weight of the aerial vehicle, a planar solar sail coupled to the airframe and having at least one surface adapted to collect solar energy during the day and to power the propelling mechanism with a first portion of the energy collected, and an apparatus such as a fuel cell / electrolyzer for storing a second portion of the solar energy collected by the solar sail during the day and for powering the propelling mechanism with the second portion of energy during the night. The vehicle is capable of continuous operation at northern latitudes and during the winter months for extended periods without landing or refueling.

The invention discloses a winter long shoot cuttage propagation method for Osmanthus Fragrans, which is suitable for low-altitude areas at northern latitude of 24-33 degrees of China. The method comprises the following steps of: building a semi-underground sunlight greenhouse in any place in the areas, arranging a seedling bed in the sunlight greenhouse, cutting a branch of annual Osmanthus Fragrans, which is pruned in winter, into long shoots with the length of about 30 centimeters, processing the long shoots by using a mixed solution of a rooting reagent and a bactericide, performing cuttage of the long shoots on the seedling bed in a row spacing of 5cm and a line spacing of 10cm, ensuring the cuttage depth is 8 centimeters, covering plant stalks with the thickness of 20 centimeters among lines, and transplanting the seedlings into a field on October 1st of the same year through regular spraying of a rooting promoting liquid, plant disease and insect pest control and management, temperature control, moisture preservation and autumn seedling hardening. The method has the obvious advantages of temperature and moisture preservation, synchronous fertilizer release, and effective control over diseases, pests and grass growth, the survival rate of the cut long shoots is over 80 percent, and the average height of the seedlings in the same year is about 40 centimeters.

The invention discloses a method for preparing ice wine. The method comprises the following steps: 1) selective breeding: selecting the high-quality grape variety Shuangyou Shuanghong on northern latitude 41-42 degrees of Changbai Mountain range; 2) grape picking: selecting cold and silent nights with outdoor temperature of minus 15 to 20 DEG C from the second to the third week in December as the grape picking time, and carefully picking the grapes by manpower; 3) sorting and squeezing, wherein in the squeezing process, the squeezing temperature is lower than minus 15 DEG C, and the external temperature is kept to be lower than minus 15 DEG C; 4) fermenting, wherein the fermentation temperature is 20+ / -5 DEG C and the fermentation time is 40-45 days; 5) freezing, wherein the constant freezing temperature is minus 5 DEG C, and the freezing time is 10-12 days; 6) low-temperature clarifying and separating of the clear juice; 7) malic acid-lactic acid fermenting; 8) clarifying and separating. Ice wine with alcoholic strength of 9-13% (Vol) can be produced, the sensory quality of the ice wine is pale yellow, and the ice wine is clear and transparent, fruity, plump and mellow and is sweet and refreshing.

The invention relates to a mangrove plant northward movement and domestication method. The method sequentially includes the following steps of firstly, collecting mangrove plant hypocotyls good in development, soaking the hypocotyls in local seawater, and transporting the hypocotyls to a planting land as soon as possible; secondly, inserting and planting the mangrove plant hypocotyls in the planting land; finally, constructing a greenhouse in the planting land before winter to ensure that tidewater can normally rise and fall in the greenhouse, and conducting high-temperature and low-temperature alternating domestication culture on the mangrove plant hypocotyls inserted and planted in the planting land. By means of the method, autumn eggplant seedlings can be domesticated under the naturalconditions, the environment temperature is continuously adjusted through the greenhouse in the seedling breeding process in winter, on one hand, the autumn eggplant seedlings are protected against theinfluences of extreme weathers, and on the other hand, the seedlings slowly adapt to the cold weather, and the adaptability to low temperature of the seedlings is improved; the seedlings are domesticated on the aspects of environment temperature, seawater salinity and soil texture, the survival rate of mangrove plants in high-latitude regions is increased, and mangrove forests can grow in high-latitude regions from 28 degrees northern latitude to 31 degrees northern latitude.

The invention provides an introduction and high-yield cultivation method for figs from Zhangzhou, Fujian. The method includes the following steps of (1) garden building, wherein the latitude limit of fig cultivation is south of 40-degree northern latitude, the winter temperature should not be lower than -15 DEG C, the garden should be built in a place avoiding the wind and facing the sunshine, waterlogging and depression land should be avoided, deep plough and soil preparation should be conducted before the garden is built, the soil PH value ranges from 6.5 to 7.5, more lime and organic fertilizer should be applied, and deep plough soil reform and medium plough weeding are conducted on the soil, (2) fertilization management, wherein the mass ratio of nitrogen, phosphorus and potassium applied in the whole year is 0.5:1:1, the nitrogenous fertilizer should not be applied too much in the sapling period instead more phosphatic fertilizer and potash fertilizer should be applied, so that the influence on fruit yield due to excessively flourishing of the figs is avoided, (3) water management, wherein the figs need water largely in the germination period, but not too much water should be watered each time, especially in the fruit ripe and picking period, the soil should be prevent from being too dry or too wet, and stable and appropriate soil humidity should be kept all the time so as to avoid increasing of fruit cracking.

The invention relates to a plantation method for commercial crops and in particular relates to a plantation method under trees. The method comprises the following steps of dressing seeds, immersing seeds, selecting primary or secondary forest in an area of Northern latitude of 21 to 28 degrees and altitude of 1600 to 2300 as a plantation wood land, eliminating weeds and undershrubs for the plantation wood land, and conducting nursing work such as removing bend woods and remaining straight woods, removing weak but remaining strong woods, and eliminating weeds and pruning and cutting branches for the plantation wood land from February to April of each year from a time period ranging from two years after under-tree pseudo-ginseng seed fixed plantation or / and one year after annual seed bar fixed plantation to the harvest. Forest canopy density of the plantation area is maintained to be as high as 90%; under-tree pseudo-ginseng seeds processed in the second step is broadcast in the under-tree land or annual seed bars are fixedly planted; plant spacing distance is no less than 30cm x 30cm; and in the fifth step, the forest canopy density of the plantation area can is kept around 50 to 80%. Deficiencies of the prior art can be overcome; precious land occupation and damage by pseudo-ginseng plantation can be greatly reduced; damage to the environment by fertilizer chemicals and white pollutions can be reduced; and resource and energy consumption and loss can be reduced.

The invention discloses a one-year double-season rotation cropping method for high-latitude areas, relates to the field of agricultural planting, and solves the problem that one-season crops only can be planted and harvested in one year in the high-latitude areas. With a method for combined rotation cropping of corns, paddy rice, upland rice and crops resistant to low temperature in spring such as peas, wheat, barley, oats and the like, one-year double-season rotation cropping in the high-latitude areas of the north is realized, the purposes of high yield and high efficiency are achieved, and the output rate of cultivated land is higher. The method can be widely applied to the provinces and autonomous regions with high altitude at northern latitude of 40-50 degrees such as Qinghai, Tibet, Guizhou and the like.

The present invention relates to a method and apparatus for simultaneously manufacturing ultra pure betulin and highly pure betulinic acid from birch bark, which employ a technique of: using a polar organic solvent to obtain a crude extract containing a betulin content of 70 to 83% and a betulinic acid content of 4 to 8% from the outer bark and inner bark of birch trees that grow naturally in northern hemisphere regions at a northern latitude of 34 DEG or greater, such as in South Korea, China, North America, and Europe; and using a single or mixed polar solvent to obtain a crystallized highly pure betulin with a purity of 95% or greater, wherein ultra pure betulin with a purity of 99.5% or greater and highly pure betulinic acid with a purity of 95% or greater can be simultaneously produced from the crystallized product.

The invention discloses a method for coding an earth surface image through dividing, comprising the following steps of: dividing an entire earth image (not containing high-latitude regions over southern and northern latitude of about 85) subjected to Mercator projection, respectively forming four images with peaks of four corners of the image by taking the center of the image as a peak, and then respectively dividing the four divided images in the same way until the divided earth surface images meet the required requirement; and coding each divided image, wherein each image has a special territorial scope and a code. By using the coding way for describing two-dimensional region information by using one-dimensional variable quantity, the retrieval efficiency of the image is greatly increased; and the original earth surface image data obtained through a satellite remote sensing technology can be used for creating an image database after projection transformation and coding through dividing.

The invention discloses a panoramic video dual loop belt sampling method and device. The method comprises the following steps: using northern latitude W degree line andsouthern latitude W degree line to divide a spherical surface into 1 annular curved surface and two spherical crowns; making 2 circles using several points on the spherical surface, and separating the spherical surface to obtains six parts; using a circle consisting of the east longitude 90 degree meridian and the west longitude 90 degree meridian to separate remaining parts that are unmarked on the spherical surface to obtain eight parts, so far, dividing the spherical surface into 14 blocks; calculating to obtain a light value in each region on the spherical surface, and obtaining a sampling value of each sampling point in the region by an interpolation method. By means of using the method disclosed by the invention, redundancy of the sampling structure can be reduced, so that, under the condition of achieving the same spatial clarity, the number of the sampling points is small, and an amount of data after sampling is small. Meanwhile, the method and the device disclosed by the invention facilitate to reserve an adjacent relationship, and may effectively improve the compression efficiency for follow-up prediction codes.

The invention discloses an avicennia marina planting method. The planting method includes the steps that avicennia marina fruits collected in the region of northern latitude 10-15 degrees are stored in a lab simulating the environment condition of the region of northern latitude 40 degrees; seeds of the fruits which do not rot or freeze after being stored are selected and promoted to grow in sea mud of seal water in the sea area to the south of northern latitude 40 degrees, so that the seeds of the avicennia marina start to sprout; avicennia marina seedlings surviving after sprouting are transplanted in the region to the south of northern latitude 35 degrees and to the north of northern latitude 20 degrees. According to the avicennia marina planting method, as the avicennia marina seeds are subjected to temperature changes and then planted, the avicennia marina can adapt to the growth environment of the region to the south of northern latitude 35 degrees to achieve the effect of repairing and improving the ecological environment of the coastal region to the south of northern latitude 35 degrees, and the defect that in the prior art, avicennia marina cannot survive in the region to the south of northern latitude 35 degrees is overcome.

The invention discloses a watermelon planting method, and belongs to the technical field of watermelon planting. The method includes the following steps of A, land selection, B, grafting, C, soil preparation and frame erecting, D, field planting, E, watermelon patch management and F, properly ripe harvesting. In the step of land selection, the watermelon land from the east longitude 110 degrees 3 minutes to the east longitude 111 degrees 22 minutes and from the northern latitude 22 degrees 37 minutes to the northern latitude 23 degrees 13 minutes is selected, and the soil Ph value of the watermelon land is six to seven. In the step of grafting, a cucurbit is used as the rootstock for grafting. In the step of soil preparation and frame erecting, a shed frame which stretches across ridges is erected in a watermelon ridge. In the step of field planting, when three main leaves grow on each watermelon seedling, the watermelon seedlings are moved to the watermelon ridge in the step C for field planting. In the step of watermelon patch management, daily irrigation, topdressing and disease and insect pest management are conducted on the watermelon seedlings, the temperature inside a shed is kept below 35 DEG C, and the humidity is 70%-80%. By the adoption of the watermelon planting method, the problems that watermelon cracking and rotting happen easily in watermelon planting, due to pathogenic bacterium infection, gummy stem blight and anthracnose can be caused, and the watermelon quality is lowered can be solved.

The invention relates to a method for determining entrance into and exit from polygonal area of a moving point. The position of the point is represented by a planar coordinate in which axis X represents the longitude with the positive direction of the axis X referring to east longitude and axis Y represents the latitude with the positive direction of the axis Y referring to northern latitude; anda polygon is a planar figure formed by connecting three or more line segments in an end-to-end manner, and is represented by a sequence of vertexes. The method comprises the following steps that S1) the position of the moving point is detected continuously, and whether the moving point is inside or outside the polygon is determined; and S2) whether the point enters into or exist from the polygonalarea is determined. Whether the moving point is inside or outside the polygonal area is determined via simple coordinate translation, value multiply and value symbol determination, and the realization difficulty is reduced.

The invention belongs to the field of water environment pollution prevention and control, and particularly relates to a saltwater riverway pollution control method based on mangrove plants. The methodincludes the steps of domestication and planting. The method achieves riverway pollution control by using the characteristics, namely developed root systems and salt tolerance, of the mangrove plants. The mangrove plants are introduced to high-latitude areas and can be domesticated through their own powerful water purification functions, and thus the mangrove plants can adapt to the growth environments in the high-latitude areas to achieve the ecological restoration of saltwater riverways. After domestication, the survival rates of mangrove seedlings for cultivation can reach 60%-80%, and themangrove plants can be well used for water restoration of the saltwater riverways with the northern latitude more than or equal to 29 degrees and the southern latitude smaller than 29 degrees. The mortality rates of the mangrove plants cultivated and domesticated through the method do not exceed 30% within two years after transplanting.

The invention relates to an agricultural facility, in particular to an eggplant solar greenhouse growing in an area north of northern latitude 43 degrees in winter. The eggplant solar greenhouse comprises a shed surface (1), a shed frame (2), upright posts (3), cross beams (4), a shed cover (6), a heat-insulating blanket (7) and a heat-insulating wall (8). The eggplant solar greenhouse is characterized in that: for the heat-insulating wall (8) of the solar greenhouse, the bottom width d is 3,900-4,100mm, the upper width g is 2,450-2,550mm and the inside height f is 1,650-1,750mm; the span inside the shed b plus c is 5,400-5,600mm, the distance c between the upright posts (3) and the inside of the heat-insulating wall (8) is 1,080-1,120mm, the cross beams (4) are supported on the upright posts (3) and the total height e of the upright posts (3) and the cross beams (4) is 2,650-2,750mm; and the shed cover (6) is supported on the cross beams (4); and the inside elevation gamma of the shed cover (6) is 41-42 degrees. Compared with the traditional solar greenhouse, structural parameters of the invention have large change, so that the invention remarkably improves the light-acceptance performance and the heat-insulating capability of the greenhouse, provides adequate conditions for the growth of solanaceous fruit vegetables, in particular eggplants, achieves the goal of continuously producing the eggplants all year round by only depending on sunlight heat source in the area north of northern latitude 43 degrees in winter and remarkably improves the economic benefits.

The invention provides a method for culturing a special honeysuckle for desertification control. The method is characterized in that a traditional quality good is taken as the parent plant, the induced tissue culturing method is adopted to successfully culture a tetraploid new seed of which the chromosome is doubled, the seed has a developed root system, strong stress resistance and long duration, can resist drought, saline and alkaline, and frost, takes roots along the earth and achieves infinite reproduction freely. When the seed is planted in regions to the north of northern latitude 40 degrees, the occupied area of the root plate is about 5 m<2> in two years. One plant covers the sand of above 10 m<2>, and the moisture of the earth covered by the root plate reaches about 200 kg. The flower bud is big, the absorption peak of the effective medicine content is higher than that of the traditional quality good, and the root, the stem, the leaf, the flower and the rattan can be all used for production of medicines, drinks, health-care products and the like, so that the economic value is great. By adopting the method for seedling raising, deserts and barren mountains can be greened, and desert lands are endowed with a self-greening function, the problems of high desert control investment, low benefits and incapability of sustainable and circulatory development are radically solved.

The invention relates to a method for increasing southern wheat yield per unit area. The method changes spring wheat varieties generally applied in the southern wheat areas at present into winter wheat varieties. A cultivation method for the winter wheat varieties suitable for planting in the south comprises the steps of selecting northern winter wheat as female parents, selecting southern spring wheat as male parents; sowing the northern winter wheat 30-60 days in advance in areas south of northern latitude 33 degrees, China, so as to make flowering period of the northern winter wheat encounter that of the southern spring wheat; detasselling, hybridizing with the southern spring wheat; and selecting winter wheat novel variety form the hybrid generations. The selected winter wheat novel variety is suitable for growing in areas south of the of northern latitude 33 degrees, China; and the yield per unit area is increased by one time or more than one time than that of the southern spring wheat.

The invention discloses a culturing method maintaining eating quality of south round-grained nonglutinous No.46 paddy rice. A culturing area is selected at the northern latitude of 31.4 to 32.4 degrees; broadcasting time is May, 10th to May, 30th each year; broadcasting time is advanced with increase of latitude; and nitrogen application rate is 225.0kg / hm<2>. By the use of the culturing method, high yield of the paddy rice No.46 with excellent quality can be ensured and great rice eating quality can be guaranteed; economic benefits of planting excellent rice varieties with eating quality is increased for farmers and higher demands for rice varieties are met for consumers; large-scale plantation and industrialization exploitation can be facilitated; blind application of fertilizers during fertilizer optimization can be reduced; excessive energy waste and environment pollution can be avoided; and the culturing method has great practicality.

The invention relates to the technical field of unmanned aerial vehicle communication, in particular to an unmanned aerial vehicle monitoring method and an unmanned aerial vehicle monitoring system based on Beidou satellite. The monitoring method comprises the following steps that the positioning information and the posture information of an unmanned aerial vehicle are obtained; Beidou short messages are generated according to the positioning information and the posture information in accordance of a Beidou short message protocol standard; the Beidou short message communication technology is utilized for transmitting the Beidou short messages to ground receiving equipment through the transferring by the Beidou satellite; the ground receiving equipment analyzes the positioning information and the posture information in the Beidou short messages, and in addition, the unmanned aerial vehicle monitoring is carried out according to the positioning information and the posture information obtained through the analysis. The unmanned aerial vehicle monitoring method and the unmanned aerial vehicle monitoring system based on Beidou satellite provided by the invention have the advantages that the coverage range of a Beidou satellite communication system is about east longitude 70 degrees to 140 degrees and northern latitude 5 degrees to 55 degrees, the signal coverage area is improved, the problem of limitation of the monitoring on the unmanned aerial vehicle by distance is solved, and the effectiveness on the monitoring of the unmanned aerial vehicle is improved.

The invention discloses an ecological effective technology for making spartina alterniflora naturally die. The technology comprises the steps that seedlings of kandelia candel, avicennia marina and aegiceras corniculatum are selected from two ways; for the first way, protogenesis fruits of kandelia candel, avicennia marina and aegiceras corniculatum in the south of the area at the northern latitude of 20 degrees are collected, and seed cultivation is conducted at the line spacing of 20 cm*20 cm at the coastal beach in the south of the area at the northern latitude of 40 degrees; for the secondway, kandelia candel, avicennia marina and aegiceras corniculatum saplings cultivated by farmers at the coastal beach area in the south of Wenzhou in Zhejiang are planted at the beaches of all areasfrom Nantong to Lianyungang in Jiangsu at the line spacing of 1 m*1 m, survival fruit protogenesis seedlings are used for replenishment, and a blocking fence is used at the periphery for preventing various floats in seawater from flooding the saplings. According to the ecological effective technology, a large number of three kinds of plants, namely kandelia candel, avicennia marina and aegiceras corniculatum, in mangrove forest are planted, and spartina alterniflora rhizomes cannot survive but natural die by using root system extension of the three kinds of trees; spartina alterniflora is treated, the balance of the beach ecological environment is restored, and the ecological environment free of pesticide and capable of killing spartina alterniflora is truly provided for the sea.

The invention relates to a planting method for ice grapes. The ice grape fruits planted by using the method are high in sugar content; the grapes can be continuously retained in tree bodies without falling after maturing; the problem about overwintering of the grapes is successfully solved. The planting method comprises the following steps of digging planting furrows; selecting fillers of the planting furrows; performing field planting on the grapes; setting up a grapevine frame; irrigating the grapes; performing field management of the grapes; controlling the mature period of the grapes. The planting method disclosed by the invention has the advantages that the sugar content of the grapes planted by the method is higher than that of general grapes; the grapes are optimal raw materials for brewing ice wine. The planting method is safe, reliable, simple and easy to learn; the yield of the grapes can be increased, and the quality of the grapes is guaranteed; the planting method can be widely applied to regions within northern latitude 41-42 degrees and has broad marker prospect and considerable social and economic benefits.

The invention belongs to the field of special aquatic product ecologic breeding and particularly relates to an ecologic breeding method of river crabs. The ecologic breeding method of the river crabs includes the following steps that a crab pool for breeding the river crabs is selected; before water plants are planted, fertilizer and water management on the crab pool is carried out; water caltrop and hydrilla varticillata are planted; young crabs are put for breeding; the river crabs are bred and harvested. By means of the method, the problem that the river crabs cannot be bred in places in the south of the 28-degree northern latitude on a large scale due to high temperature is effectively solved.

The invention belongs to the technical field of livestock breeding, and particularly relates to an ecological breeding method of Henan yaoshan white goats. The ecological breeding method comprises thesteps that a breeding mode is determined, wherein free water drinking and ingestion are combined with feed feeding, and ingested forage comprises natural growth forage and artificial planting forage;the goats are subjected to stocking for 5-7 hours every day, wherein a stocking field is a mountain forest which is provided with grassland and water sources and located in the transition region fromthe northern subtropical region to a warm temperate zone at 112 degrees, 23 minutes, 27 seconds to 111 degrees, 54 minutes, 32 seconds east longitude and at 33 degrees, 40 minutes, 30.5 seconds to 33degrees, 20 minutes, 25 seconds northern latitude, and the temperature, light and humidity are all in natural states; a plurality of goat houses are built in the mountain forest at intervals, and movable fences are arranged outside the goat houses. The ecological breeding method of the Henan yaoshan white goats which are high in growth speed, tender and elastic in meat quality and delicious in taste is mainly provided, and has the advantages that the yaoshan white goats are resistant to crude feed, high in disease resistance, good at climbing and high in reproduction rate.

Provided is a fabricated land-saving energy-saving high-performance solar greenhouse and a building process thereof. The building structure that an overall light steel framework and a heat absorption and storage heat preservation multilayer composite encircling body are combined is adopted in the solar greenhouse. The standardized and modularized component assembly process is adopted during building of the solar greenhouse, and all components are connected through fixing parts. According to the greenhouse, the land can be saved by 50%, the room temperature can be improved by 4 DEG C or above, heating is not needed at northern latitude 43 degrees, and high performance is achieved.

The invention relates to a map marking method, in particular to a method for marking positions on a map by address numbers. According to the method, the earth is used as a main body; on the surface of the earth, a position of 0 degree northern latitude is used as a starting point, and one line is drawn every 5 latitude degrees from north to south to divide the surface of the earth into 36 annular regions; then, a 0-degree meridian is used as a starting point, and one line is drawn every 10 longitude degrees in a clockwise direction to divide the surface of the earth into 36 olivary regions; each of 36 numbers (0-9) or letters (A-Z) is used for representing one region; the number or letter of the annular region is used as the first bit of an address number, and the number or letter of the olivary region is used as the second bit of the address number; and the earth surface positions are uniformly divided. The map marking method has the advantages that the implementation is convenient; the searching is fast and convenient; and the positioning is accurate. An ordinary person can accurately express the self position and can be accurately found by others such as family members, friends, couriers and search and rescue persons.

The invention provides a passive solar greenhouse. A heating room is built on a south wall of a building; the south wall of the heating room is a lighting wall, and the included angle between the lighting wall and a plumb line is 23-35 degrees. According to the invention, the included angle between the lighting wall of the heating room and the plumb line is set to be 23-35 degrees which is just a solar incident angle (also named as solar elevation angle) at 12:00 a.m. on the day of Great Cold in a northern latitude 45-35 degree region (a region with the richest solar energy in China) and is close to the solar incident angle at noon within coldest 45days from the midwinter to the spring begins (the coldest days of the year) in the northern region. Namely, the solar radiation ray at the moment can be approximately-vertically irradiated to the building so that the building can receive solar hot energy to the greatest extent within the coldest time period.

The invention discloses a cultivation method for ligusticum wallichii. The method comprises the following steps: a, soil treatment: uniformly mixing quicklime and sodium polyacrylate with surface soil, wherein the usage amount of quicklime is 100 kg / mu and the usage amount of sodium polyacrylate is 150 kg / mu; and b, cultivating ligusticum wallichii seeds. The cultivation territory is Yongshou Town, Meishan City, Sichuan province, and the longitude of the territory is east longitude 03 degrees, 50'51.46'' and the latitude is northern latitude 29 degrees, 55'42.65''. The method disclosed by the invention can be used for remarkably reducing the content of cadmium of ligusticum wallichii and meanwhile improving the content of active components of ligusticum wallichii as well as the output of ligusticum wallichii, and is good application prospect.

The invention provides a method for cultivating chickpeas. The method comprises the following steps: applying organic manure to adjust soil to enable the soil contains 8-12 g / kg of organic matter; selecting seeds, airing the seeds in the sun, stirring the seeds with a carbendazim colloidal suspension agent and difenoconazole, and finally carrying out drying for later use; carrying out seeding, wherein the seeding amount is 43.3-53.4 kg / hm<2>, the plant spacing is 15-20 cm, and the seedling survival number is 150-166 thousand plants / hm<2>; carrying out intertillage after germination, carrying out weeding and hilling, carrying out topdressing at an early flowering stage, and carrying out irrigation; and carrying out harvesting when leaves of plants fall, chickpea pods turn yellow and chickpeas are hardened. When chickpeas are planted by the method provided by the invention, the yield of the chickpeas cultivated in high-altitude cold drought regions with altitudes of 1100-2000 m at northern latitude of 36.9-39.5 degrees is increased, the growth period can be shortened, the chickpeas are larger, and plant morbidity can be reduced.

The invention relates to a method for increasing southern wheat yield per unit area. The method changes spring wheat varieties generally applied in the southern wheat areas at present into winter wheat varieties. A cultivation method for the winter wheat varieties suitable for planting in the south comprises the steps of selecting northern winter wheat as female parents, selecting southern spring wheat as male parents; sowing the northern winter wheat 30-60 days in advance in areas south of northern latitude 33 degrees, China, so as to make flowering period of the northern winter wheat encounter that of the southern spring wheat; detasselling, hybridizing with the southern spring wheat; and selecting winter wheat novel variety form the hybrid generations. The selected winter wheat novel variety is suitable for growing in areas south of the of northern latitude 33 degrees, China; and the yield per unit area is increased by one time or more than one time than that of the southern spring wheat.