217 results about "Row space" patented technology

The invention discloses a universal joint-driven inclined wide-and-narrow separating-planting mechanism of a rice transplanter. Transmission cases of the same structure and planting arms of the same structure are arranged on the two sides of a chain wheel shaft respectively; the chain wheel shaft forms an inclination angle with an output shaft of a universal joint through the universal joint; the output shaft end of the universal joint is fixedly connected with a planet carrier; in the planet carrier, central gears are supported on the output shaft of the universal joint through bearings, are fixedly connected through flanges, adjustment gaskets and the flange on a transmission case body at the universal joint end and are connected with planet gears per se through idler wheels respectively; and planet gear shafts fixedly connected with the planet gears are connected with the planting arms per se respectively. In the universal joint-driven inclined wide-and-narrow separating-planting mechanism, seedling needles on the planting arms driven by the planet gears move in a plane inclined relative to the chain wheel shaft, the inclination of the planet carrier produces lateral movement relative to an advancing direction to move seedling inserting points leftwards or rightwards relative to seedling taking positions after the seedling needles take seedlings, and then rice transplantation positions are distributed in narrow and wide rows at unequal row spaces meeting agronomic requirements on the premise that seedling taking openings are distributed at equal intervals.

The invention discloses a culturing method of one-ridge double-row flue-cured tobacco dislocation, comprising the following steps: (1) selecting tobacco field and preparing soil; (2) ridging; (3) applying base fertilizer; (4) transplanting; and (5) uncovering film, ridging and loading. The method has the following advantages that: (1) on the premise that the use amount of fertilizer for soil in unit area is not changed, the fertilizer use amount of single plant in flue-cured tobacco field is reduced, and the use amount of field organic fertilizer, especially oil cake fertilizer is increased to lead the field tobacco plant to present the growth of middle-plant tobacco, thus obviously improving the tobacco leaf quality; (2) compared with the conventional single ridge, the one-ridge double-row tobacco reduces the labor capability of ridging by about one third, the ridging height is obvious lower than the conventional height, thus reducing ridging labor intensity of tobacco growers; and (3) the one-ridge double-row flue-cured tobacco increases flue-cured tobacco planting density, and meanwhile, a dislocated equal plant distance planting method improves utilization rate of tobacco field to the utmost, ensures the housework operation of tobacco growers, and the row space of the ridge just satisfies growth space of tobacco plants in the field, thus ensuring the income of the tobacco growers.

The invention provides a novel column-shaped three-dimensional cultivation method and device for medical dendrobium. The method is characterized by comprising the following steps of making a cultivation device serving as an auxiliary article in a hollow column-shaped body structure; filling a cultivation medium in the interior cavity of the hollow column-shaped body, wherein the hollow column-shaped body is at least 0.5 m in height and at least 8 cm in diameter, the external surface of the hollow column-shaped body is uniformly provided with seedling planting areas, and a cultivation medium composition mainly comprises the following raw materials in parts by volume: 5-15 parts of barks, 10-30 parts of saw dust and 3-10 parts of vermiculite; selecting healthily-growing seedlings to be hardened and then washing the hardened seedlings during cultivating and transplanting the dendrobium seedlings; and after sterilizing by using 800-1000 times of liquid carbendazim, transplanting the seedlings in different plant bunches according to the seedling planting areas, wherein row spaces of the transplanted plants are 4-6 cm*10-15 cm. Compared with the prior art, the cultivation method provided by the invention is very suitable for growth habits of the wild medical dendrobium; and the medical dendrobium cultivated by using the invention has the advantages of easiness for material obtaining, low cost, long service life, good water retention and fertilizer securing effects, high planting density, land utilization rate capable of being increased by 6-7 times, high and stable yield, good product quality and convenience for management.

The invention belongs to the field of rice cultivation, and particularly relates to a cultivation method suitable for no-tillage rice in a fixed compartment of an oil crop-medium rice field. The cultivation method comprises the following steps that: (1) rice seeds are coated by using dry-raised nurse, thick mud and dry fine soil serving as coating agents, wherein the components comprise 7.9 to 12.5 percent of dry-raised nurse, 25 to 26.3 percent of rice seeds, 12.5 to 13.2 percent of thick mud with 37 percent of water content and 50 to 52.6 percent of dry fine soil with 3 percent of water content in percentage by mass; the rice field is finished as required and the soil moisture is kept; and keeping the seedling age at 15 to 18 days; (2) the compartment width of the oil crop field is 1.2 meters, the width of the ditch is 0.3 meter, and the depth of the ditch is 0.25 meter; the rape seedlings are applied to the field; a ternary compound fertilizer of which pure nutrients comprise 15 percent of N, 15 percent of P2O5 and 15 percent of K2O is applied, and 30 kilograms of pure nitrogen is applied in each mu; 5.80 kilograms of zinc is applied in each mu; and 4.8 kilograms of boron fertilizer is applied in each mu, and the ditch is kept full of water; (3) rice seedlings with 50 to 100 grams of soil in each seedling in 15 to 18 days are directionally thrown according to a row space of 20 centimeters; and (4) the ditch is kept with water and the compartment surface has no water after throwing the seedlings till the heading stage, and dry and wet alternated cultivation is adopted from the grain filling stage to the maturation stage. Compared with the conventional method, the yield is averagely increased by 8.7 percent.

The invention discloses a coastal kaline soil forestation method, comprising the following steps: A. trenching and building ridges, and building rain collection beds; B. setting rain collection surfaces; C. digging plant pits, and setting salt isolation layers; D. collecting tree species and planting; E. setting surface cover layers of plant pits; F. tending, and weeding at proper time; wherein, the step of trenching and building ridges, and building rain collection beds is based on the design of forestation spacing, and flow collection trenches are dug at interval of a row spacing along the direction of rows; the depth of the trench bottom is 20cm to 25cm; the ground surface between the ridge and the trench bottom is trimmed to form a shallow v-shaped groove; the sloping surfaces are leveled and compacted to form the rain collection beds. The coastal moderate kaline soil forestation technology of the invention greatly increases the water content of soil, and the salt is efficiently leached and reduced, thereby efficiently improving the survival rate, save rate and growing speed of forests; the survival rate of forests reaches greater than 85%.

The invention relates to tea leaf cultivation, in particular to an Anji white tea ecological and efficient cultivation method. The method comprises the following steps: the ecology of a tea garden is constructed; tea seedlings are transplanted; after the tea seedlings are lifted, planting furrows are formed, base fertilizer is applied into the furrows and mixed with soil uniformly, the mixture is covered with a layer of surface soil, and the Anji white tea seedlings which accord with the standard of coming out of a nursery are transplanted; the depth of the planting furrows is around 30-36cm; 2-3 tea seedlings are planted in each cluster; the tea seedlings are moved into the furrows, original postures of root systems are maintained, the root systems are stretched, and the root systems are covered with soil and treaded tightly at the same time; the tea seedlings are planted in single row in a strip array mode, wherein the row spacing ranges from 150cm to 170cm, and the cluster spacing ranges from 26cm to 33cm; trees of economic value are interplanted; three-dimensional keeping and cultivation are conducted; after spring tea leaf picking is completed in a grown tea garden, the tea trees are immediately subjected to heavy pruning or deep pruning, tea leaves are not picked in summer and autumn, fertility management is reinforced, and the tea leaves grow naturally; fertilization is managed; tea flowers are removed, wherein the tea flowers are removed manually in a period when the tea flowers bloom intensively in autumn and winter every year; plant diseases and insect pests are managed; the tea garden is closed. According to the Anji white tea ecological and efficient cultivation method, the tea leaves are high in quality, safety of the tea leaves can be guaranteed, the yield of the tea leaves is increased, the income of the tea garden is also increased, and the ecology of the tea garden is protected.

The invention discloses an ecological three-dimensional planting system for tea trees, wherein tea trees are planted in a tea garden. The ecological three-dimensional planting system for tea trees is characterized in that: tea trees on a planting furrow surface are planted in a single row, the row spaces of the tea trees are 0.9-1.1 m, the plant spaces of the tea trees in each row are 0.6-0.8 m, and the quantity of tea tree seedlings per mu is 900-1100. The sparse-planting ecological three-dimensional planting system used by the applicant can also achieve a purpose of increasing the income of tea garden in the aspects of improvement and increase for the quality and unit price of tea leaves, cultivation for poultry, decrease for the labour cost of tea garden etc. Moreover, the ecological three-dimensional planting system for tea trees reduces the abuse of fertilizer and pesticide, as well as can ensure the water and soil resources of tea garden not to be overused and keep the longer development of tea garden.

The invention relates to a filed track, comprising primary tracks and auxiliary tracks, wherein, the primary tracks are a plurality of longitudinal tracks which are arranged in parallel at the filed with equal row space, the auxiliary tracks are a plurality of tracks which are arranged at the two ends of the filed in parallel, and the end face distances of the auxiliary tracks and the primary tracks are constant; shifters are arranged at the auxiliary tracks, the bottom of each shifter is provided with shifting wheels capable of traveling on the auxiliary tracks, and the upper part of each shifter is provided with a transitional track which is in butted joint with the primary tracks; the height of the transitional tracks is equal to the height of the primary tracks, and the structure of the transitional tracks is the same as the structure of the primary structure. The invention also provides a production operation mainframe capable of operating on the field tracks and a water spray type watering machine. A bracket type agricultural manufacturing machine mainframe is formed by arranging various functional machines at the production operation mainframe scientifically and reasonably. The water machine has even and dense water amount, thereby avoiding the defects that the growth of crops is affected by decreased temperature of the ground, and fertilizer leaks and is lost with the water and can not be absorbed by crops due to broad irrigation.

The invention belongs to the technical field of planting, and discloses a sweetened and high-yield cultivation method for citruses. The method comprises the following steps: (1) performing land treatment: deeply ploughing a land, and applying the land with organic farm manure; (2) performing transplanting: transplanting robustly growing seedlings with soil, covering the seedlings with soil, watering the seedlings, and applying a nutritional solution; (3) performing fertilizer application management: performing topdressing once in the initial stage of leaf emerging of the citrus seedlings, applying leaf fertilizer in the flowering stage, and applying a sweetened nutritional solution in a fruiting stage; (4) planting legume crops in row spaces of citrus plants in March to April every year, and after the legume crops are matured and harvested, burying straws below the plants; (5) performing trimming and pest control: after the legume crops are harvested and before the plants are sprouted, trimming the plants; after planting is performed for one week, applying liquid once, which is obtained by diluting 80% thiophanate methyl wettable powder by 800 to 1,000 times, and then applying a pest control agent once every 20 to 30 days. According to the citrus planting method, the citrus seedling survival rate can be obviously increased, the yield and the quality of the citruses can be improved, and the sweetness of the citruses is increased.

The invention pertains to agricultural planting technological field, in particular to a stereoscopic ecological cultivation method of taxus Media and cinnamomum camphora. The method comprises planting, field management, harvest and so on. Seedlings of the cinnamomum camphora with a height of 1.5-2m are chosen. Seedlings of the cinnamomum camphora and the taxus Media are planted at a south-north direction in a determinant. 3 rows of taxus are interplanted among each 2 rows of the cinnamomum camphora. The row spacing and planting distance of the taxus is 60cm-80cm, the row spacing between the taxus and the cinnamomum camphora is 1.0-1.2m and the planting distance of the cinnamomum camphora is 1.5-1.8m. The taxus Media is planted during the period from March to April, and the cinnamomum camphora can be planted at the same time, so as to form obvious difference in height with the seedlings of the taxus Media, thereby forming the stereoscopic planting mode. The cinnamomum camphora is transplanted or put into a plantlet market after 3 years of interplant, the whole trunk of the taxus or some of the leaves are harvested and used for extracting paclitaxel medicine. The invention can promote the survival rate and growth speed of the taxus Media so as to reduce the planting cost, thereby having better economic value.

The invention relates to an array solid probe for radiation detection, comprising a plurality of sensors for detecting rays radiated along a preset direction. Each sensor is provided with a ray incidence end surface and a plurality of first plates almost arranged in parallel to form at least one row space; the sensors are aligned in the space, and the first plates are made of metal. The structural mode can be used for constructing various columns of array solid probes, thereby improving the radiation detection speed of large objects under the condition that the special resolution and the contrast sensitivity of scanned images are not considered.

The invention relates to the technical field of Chinese herb planting, in particular to a panax notoginseng planting method. The panax notoginseng planting method is characterized in that whole process management of panax notoginseng planting is realized by means of performing seed selection, seed treatment through seed dressing agents, sowing and plant growing and row spacing control in planting season of panax notoginseng, and taking water retention and fertilizer-saving measures and managing the seedling implanting stage and the seedling stage. The panax notoginseng planting method has the advantages that by the adoption of special treatment of seeds, rational close planting, sowing in good time and effective fertilization, survival rate of panax notoginseng plants is increased effectively, and accordingly planting benefit is improved; the method is simple and feasible, and can be grasped by ordinary farmers.

The green technique for cultivating dryland lotus to obtain the lotus root incldues such steps as building up an impervious pond, spreading the mixture of mellow soil ,organic fertilizer, and soybean dregs, pouring pollution free underground water until the water depth is 7-10 cm, transplanting by row space of 2-3 m, herbiciding and other management, keeping the water depth to 10-15 cm in lotus root forming period, applying organic fertilizer and irrigating until water depth is 25-30 cm. Its advantages are high yield and quality of lotus root, and easy management.

The invention discloses a one-pit multi-plant hole sowing device, relates to an agricultural sowing device, and in particular relates to a sowing device suitable for a one-pit multi-plant planting method. The one-pit multi-plant hole sowing device comprises a seed case, a seed distributor, a rotary drum, duckbills, a speed changing mechanism and a seed receiving and conveying box, wherein the speed changing mechanism controls the rotating speed of the seed distributor; the seed receiving and conveying box receives seeds falling from the seed distributor and conveys the seeds to the duckbills. The one-pit multi-plant hole sowing device is characterized in that the duckbills are arranged on the outer wall of the rotary drum along the axial direction of the rotary drum in a parallel or staggered parallel manner to form a duckbill group; each group of the parallel or staggered parallel duckbills are uniformly distributed along the circumferential direction. The one-pit multi-plant hole sowing device has the advantages that due to an arraying mode of mounting the multiple duckbills on the hole sowing rotary drum, the one-pit multi-plant hole sowing device is implemented; due to the device, the condition that one-pit multi-plant row spaces are basically the same is realized, the one-pit multi-plant agricultural requirement is met, and the aims of increasing the yield and increasing the income are fulfilled.

The invention belongs to the field of rice cultivation, and in particular relates to a method for planting rice by mixed seeding based on rice quality improvement and yield increment, which comprises the following steps: (1) selecting three rice varieties of E-zhong No.5, E-xiang No.1 and Jianzhen No.2 as the varieties for mixed seeding and planting; (2) seeding in an area between north latitude 27 degrees and north latitude 33 degrees during April 10 to May 5; (3) mixing seeds of the varieties selected from the step 1 uniformly in a mass ratio of 5:2:3 before seeding; (4) planting the seeds in wide and narrow rows, wherein a row spacing between wide rows is 30cm; the row spacing between narrow rows is 16.5cm; a planting distance is between 14.7 and 16.5 cm; and the planting density is 17,380 to 19,500 plants in every 666.7 square meters; and (5) applying 11 to 12 kilograms of pure nitrogen to each 666.7 square meters during the growth period of the rice, wherein the pure nitrogen comprises 60 percent of base fertilizer, 20 to 25 percent of tillering fertilizer, 0 to 10 percent of flower promoting fertilizer, and 10 to 15 percent of flower preserving fertilizer; the mass ratio of N:P2O5:K2O is 1:0.4 to 0.5:0.8 to 1. The method for planting rice by mixed seeding has the advantages of achieving advantage complementary of different varieties of the rice in different genotypes, increasing rice yield and improving rice quality, which is an innovative cropping method.

The invention discloses a broad bean and corn intercropping method and belongs to the field of crop cultivation methods. The method mainly relates to intercropping of the broad bean and the corn, wherein, emergence of seedlings of the broad bean is 10-20 days earlier than that of the corn, the broad bean and the corn are intercropped at a row ratio of 2:2 and at a row spacing from 28cm to 32cm. The method can help realize the purpose of simultaneously improving yield of the broad bean and biological nitrogen fixation amount, avoid the disadvantages of low yield of a leguminous crop which is cropped separately; secondly, the method can greatly reduce manually applied nitrogen fertilizer to save the plantation cost, and relieve the pressure on the environment due to nitrogen fertilizer abuse; furthermore, the method can adequately utilize indigenous rhizobium to avoid a degeneration problem of artificially inoculated strains, reduce operation steps such as inoculation and the like and save the inoculation cost.

The invention discloses a cultivation method for rice direct dibble seeding in wedged ditches, which belongs to the field of rice cultivation. In order to solve the problem that yield potential of high-yield high-quality varieties is difficult to fulfill by existing cultivation methods, the cultivation method for rice direct dibble seeding in wedged ditches includes the steps: firstly, tilling soil, namely performing no turning or irrigation after preceding harvesting, and digging a field to obtain a plurality of ditches, wherein row spacing between each two adjacent ditches is 18-22cm, each ditch in a triangular shape is wide end up, each ditch is 5-20cm deep and 3-6cm wide, two sides of each ditch are slopes relative to the horizontal plane, and an included angle between each slope and the horizontal plane is 40 DEG-70 DEG; secondly, post-treating rice seeds; thirdly, performing base fertilizer application, direct dibble seeding, and irrigation; and fourthly, performing field management. The traditional ploughing is replaced with wedging, so that farming intensity is reduced, interference to soil is lowered, energy sources are saved, labor is reduced, seeds for use are few, soilwater retention capacity is high, soil system stable is high, fertilizer utilization rate is high, root system growth environment is improved, and cost reducing, yield increase and efficiency enhancement are achieved.

A method for planting elderberries in a saline-alkali land comprises the following steps of selecting and preparing the land, wherein the experiment land is the saline-alkali land with the thickness of a soil layer ranging from 0 to 30 cm and the salt content ranging from 3.0 % to 5.5 %, ploughing and raking are carried out before seeds are sown, and surface soil is made to be flat and be finely crushed; laying a salt insulation layer; laying a drip irrigation zone, wherein a hollow billet drip irrigation zone is arranged in the mode that one hollow billet is arranged in one row, and the distance between every two adjacent hollow billets ranges from 0.6 m to 1.0 m; conducting transplantation, wherein when the length of branches on the newly-born side of cuttage branches ranges from 10 cm to 20 cm, transplantation and field planting are conducted, holes are dug in the prepared planting land with the line spacing being 100 cm and the row spacing being 60 cm, the holes are cuboid, the width and depth of each hole range from 30 cm to 40 cm, the roots of transplanted seedlings are straightened and placed into the holes in an inclined mode, one strong seedling is planted in one hole, the holes are filled with fine soil which is compressed, the fine soil is watered thoroughly, and the roots are fixed.

The invention discloses a farming method for returning straw to the field locally in a corn and flue-cured tobacco rotating system. The method is applied to flue-cured tobacco and corn rotation plough land in a single cropping system and comprises the steps that firstly, corn is ridged to be cultivated, two rows of corn are planted per ridge, the height of each ridge is 30+ / -2 cm, the corn wide row spacing between every two adjacent ridges is 70+ / -5 cm, the narrow row spacing between two rows of corn on each ridge is 50+ / -5 cm, and the distance between plants is 25-30 cm; after the corn is harvested, ploughing is needless, original ridges and furrows are used, and the cut-off straw is directly spread over the furrows to be returned to the field; secondly, microorganism fertilizer is scattered on the straw, and soil on the ridges falls to the furrows for earthing and burying of the straw; in the next year, flue-cured tobacco base fertilizer is scattered in the furrows where the corn straw is buried 10-15 days before the flue-cured tobaccos are transplanted, the flue-cured tobaccos are planted in a single-row-ridge mode, the row spacing is 120+ / -5 cm, and the distance between plants is 50-60 cm; no-tillage ridge gathering is conducted towards the insides of the furrows along the two sides of each furrow, and ridges are formed for cultivating the flue-cured tobaccos. According to the farming method, the corn straw and the flue-cured tobacco straw are directly applied to the tobacco field locally, and therefore sustainable development of a tobacco region is effectively realized.

The invention relates to a cultivation method of longan, which comprises the following steps: A. setting the row spacing of the fixed planting pit position to be 1.5-2.5 m and the line spacing to be 2-5 m; B. digging the fixed planting pits; C.applying a fertilizer to the dug out mellow soil according to each strain; and then filling back the mellow soil with the clay fertilizer to enable the immature soil to be filled back on the mellow soil; D. digging the fixed planting holes on the central position of the fixed planting pit soil surface; pouring water into the fixed planting holes; when the water is completely infiltrated, placing seedlings of longan in the fixed planting holes; E. paving a mulching film after fixed planting; F. spraying monopotassium phosphate to leaves; G. cutting each seedling to be 80-100 cm in height; and leaving 4-6 directional main boughs on each seedling; and H. setting the row spacing at the fifth year after the fixed planting to be 3-5 m, and at the seventh year to be 4-6 m. With the adoption of the cultivation method, the earlier-stage yield and the output value of longan can be effectively improved; the investment cost recovery period can be shortened; and the anti-risk capability of the project can be enhanced.

The invention provides a method for planting tea trees comprising following steps: (1) land preparation and ditching: land preparation and ditching are carried out according to large and small row spacing distribution, wherein, the large row spacing is 1.8 to2.0 m, the small row spacing is 1.2 to 1.5 m, the ditch depth is 50 to 60 cm, the ditch bottom flat width is 20 to 30 cm and the ditch mouth width is 60 to 70 cm; (2) base fertilizer application; (3) plantation; (4) drip irrigation belt deployment; (5) field management. The beneficial effect of the method of the invention is that the large row spacing is used for the mechanization management of the tea garden, and the management coverage of the tea garden machinery is improved, each row walking can complete the field management such as fertilization, picking and spraying of adjacent two wide row spacing rows; the small row spacing is used for the deployment of drip irrigation belts, planting economic trees between rows, green manure and other intercropping crops; integrated irrigation of water and fertilizer is adopted; there is no tillage for the whole year; the green manure is harvested and then directly paved in tea rows, which reduces disturbance on soil and water and soil loss, and also inhibits the growth of weeds.

Disclosed is an intercropping and interplanting culture technique for water melon and Zhonghe serial soybean, which is aimed to achieve the high production for both water melon and soybeans, the method comprises interplanting water melon with Zhonghe No.1 to Zhonghe No.8 series soybean breeds, and carrying out the procedures of strain row space collocation, reasonable density, interplanting in booth, nutritive pot nursery sock growing and transplanting, fineness soil working, concentration tillage, refining high-quality seed, seed treatment, fertilizer application, irrigation, insect damage treatment, high production management and foliage fertilizer application.

The invention relates to the technical field of agricultural planting, and discloses a wheat-corn relay interplanting planting method. In the method, a mode of alternating wheat planting zones and corn planting zones is adopted, and wheat is planted before corn is planted; four rows of wheat are used as one planting zone; row spacing between the second row of wheat and the third row of wheat ranges from 25 to 35 centimeters in the planting zone, and the row spacing between the rest two adjacent rows of wheat is 20 centimeters; an empty row with the width of between 125 and 135 centimeters is reserved between the two wheat zones and is used for planting the corn zones; two rows of corn are used as one planting zone; row spacing among corn is 45 centimeters; and the space between the adjacent corn and wheat ranges from 40 to 45 centimeters. By the method, the row number of planting the wheat is reduced, and the wheat is planted in a mode of wide-narrow row spacing, namely compared with the original row spacing, the row spacing of the corn is reduced by 5 centimeters, so the space between the wheat and the corn is increased; and the planting environment of intergrowth period of the wheat and the corn is optimized, the shading effect of the wheat on the corn is relieved, and the specific yield and yield per unit area of both the wheat and the corn are improved simultaneously.

The invention relates to the technical field of agricultural machinery, in particular to a self-propelled field weeding machine. The self-propelled field weeding machine is used with a mini-tiller and is used for weeding rapeseed fields or broad bean fields with certain row spacing. The self-propelled field weeding machine is characterized in that the upper ends of telescopic handles penetrate square holes of fixing seats and are fixed into the fixing seats by the aid of jackscrews, and shovels are fixed to the lower ends of the telescopic handles by the aid of bolts; a fixing connecting frame is welded on the side, which is opposite to the fixing seats, of the middle of a large frame, and a connecting pin hole is longitudinally fixedly formed in the front end of the fixing connecting frame by means of welding; a telescopic pipe sleeve is connected to the rear end of a side of the fixing connecting frame by means of welding, a telescopic pipe is fixed into the telescopic pipe sleeve by the aid of an ascending limiting wheel adjusting handle, and an ascending limiting wheel is fixed to the lower end of the telescopic pipe by the aid of a wheel carrier. The self-propelled field weeding machine has the advantages that the overall height of the self-propelled field weeding machine is controlled by the ascending limiting wheel, good profiling effects can be realized by the three shovels, and proper and accurate weeding row spacing can be adjusted via U-shaped bolts; the self-propelled field weeding machine is simple in structure and convenient to use, can be operated easily and conveniently and is a perfect agricultural machine, and the weeding efficiency can be obviously improved.

The invention discloses a mulberry garden intercropping soybean comprehensive planting pattern. The comprehensive planting pattern comprises the steps that a mulberry variety and a soybean variety which are suitable for the intercropping pattern are selected for use, and the reasonable plant row spacing collocation mode and density are determined. The mulberry garden intercropping soybean comprehensive planting pattern is characterized in that mulberries and soybeans are selected for intercropping, one or two or more ridges of mulberries are planted, one or two or more ridges of soybeans are intercropped, and the two crops can both be used for a plurality of years.

An intermittent sower for the punch planting of paddy rice with precise row spacing and spacing in rows is composed of supporting frame, at least one seed hopper with discharging holes on its bottom, a rotary sowing disc under said bottom and with sowing holes arranged on a circumference, a ratchet wheel on the axle of sowing disc, a detent on a slide linking plate and matched with said ratchet wheel, a motor to drive said linking plate via linking axle and crank, etc.

The present invention is diversity corn and potato planting method to control corn northern leaf blight and southern leaf blight. The technological scheme of the present invention keeps available corn and potato planting mode, and features that in the same field, 2-4 rows of corn and 2-4 rows of potato are planted alternately, the row spacing between corn and potato is 30-60 cm and potato is seeded 20-35 days before corn is seeded. The corn variety may be any one of height over 1.5 m.

The invention discloses a method of planting Zimbabwe KRK26 tobacco in land. The method comprises the steps of soil preparation, transplantation, fertilizer application, filed management and harvest; to be specific, ploughing is carried out at the time of 30-60 days before transplantation; ridging is carried out according to ridge height 38-42cm and ridge top width 30-45cm; ridge bodies are full in plate tile shape or trapezoid; the ridge spacing is 115-125cm; healthy strong seedlings are transplanted according to row spacing 50-60cm; the seeding planting depth is 12-15cm; stalks are 3-5cm higher than the ground from the surface soil to the tobacco seedling growing point after transplantation; each tobacco seedling is watered by 1-2kg of water and is covered by fine soil; the fertilizer application comprises base fertilizer, seedling promotion fertilizer and topdressing, wherein the total application amount of nitrogen fertilizer is 5-9kg / mu of pure nitrogen; the field management comprises vacancy finding and seedling supplement, top sealing and branch removing and pest control; the harvest is carried out in different times from bottom to top according to parts, and the harvest is carried out at one step when 4-6 tobacco at the top are intensively matured. Experiments prove that according to the method of planting Zimbabwe KRK26 tobacco in land, the first-class tobacco proportion and the average price of Zimbabwe flue-cured tobacco variety KRK26 are obviously increased in Yunnan new tobacco regions, and the production value and the tobacco grade level quality of the KRK26 are obviously promoted.

The invention discloses a method for grafting prunus cerasifera onto a wild peach stock. The method is characterized by comprising the steps that (1) grafting time is selected, wherein grafting operation is carried out from the last ten-day period of January of every year to February of the next year; (2) grafting is carried out, wherein a, healthy branches of the prunus cerasifera are picked, two sections are taken, and two leaves or two buds are kept; b, the seedling of the annual wild peach is selected as the stock, and the stock is cut off at the position 5 cm to 6 cm above the root; c, the edge, close to a tree bark, of the top of the stock is cut obliquely to wood, the depth is 2 cm, the two sides of a cion are cut obliquely to be in a wedge shape, one side is longer than the other side, grafting consolidant is applied to the two sides, the short side is inserted into the tree bark close to the stock, and the long side is close to the wood; d, after grafting, a film is wound on the grafting position by three circles and tightened; e, after grafting, a grafting seedling is directly planted on the ground, the distance is 8 cm, and the row space is 12 cm; (3) fertilizer is applied.

The invention provides a pot seedling pipe penetrating self putting type transplanting machine, which consists of components including a machine frame, a disc frame, a seedling disc, a seedling putting pipe, rotary blades, a furrow opener, land wheels, a transmission device and the like. Qualified pot seedlings which are cultured by a novel seedling pot disc, are pulled up by disc culture pot seedling lifting clamps and are directly transferred are planted into the seedling disc. For the seedling disc, plastics or thin iron sheets are made into a bottomless framework provided with a plurality of square lattices and consistent upper and lower openings, the bottom of the framework is provided with a movable bottom plate and is connected with a seedling support plate arranged on the machine frame, the seedling supporting plate pushes away the movable bottom plate, and the pot seedlings enter a seedling putting opening formed in the seedling supporting plate. The transmission device drives a driving rod, a transversely moving device arranged on the disc frame and a switch arranged on the seedling supporting plate are driven and operated respectively, the pot seedlings fall into seedling furrows formed by the furrow opener after the re-crushing by the rotary blades through the seedling putting pipe, after the automatic seedling putting is realized, the earthing-up is performed by earthing-up wheels, and compaction is carried out. The pot seedling pipe penetrating self putting type transplanting machine has the advantages that the structure of the whole machine is simple, the manufacturing is easy, in addition, the work efficiency is high, the cost is low, the popularization is easy, and the pot seedling pipe penetrating self putting type transplanting machine is particularly applicable to the transplanting of large-row-spacing thin planting crops such as corn, cotton, rape, vegetables and tobacco.