543results about How to "Neat emergence" patented technology

The invention discloses a rapid decomposition method for returning summer maize straws, which is used for solving the problem of decomposition of the maize straws. The method comprises the following steps of: crushing the maize straws in the fields, and totally and directly returning the crushed maize straws; after the crushed maize straws are returned, broadcasting materials, such as a decomposition agent, accessory ingredients and the like, in a way that 2 to 2.5 kilograms of decomposition agent, 3 to 5 kilograms of accessory ingredients, 0.5 to 1 kilogram of water-retaining agent and 6 to 8 kilograms of urea are broadcast into each acre of land; and timely performing ploughing or rotary tillage and sowing winter wheat after a week. The method has the main advantages that: 1, the summermaize straws are mechanically crushed in situ and then totally and directly returned and utilized, so the problems of difficulties in the collection, transportation and storage of the maize straws are solved; 2, the maize straws are rapidly decomposed, so the straw decomposition rate is increased, soil nutrients are returned, soil conditions are improved, simultaneously seedlings of the followingwinter wheat come out uniformly and the rate of emergence is greatly increased; and 3, farming in the fields is easy to operate and execute, and the method is delightedly accepted by farmers and is convenient to execute.

The invention relates to an environmentally-friendly plate for raising rice seedlings and a rice seedling production method, which belong to a rice seedling raising medium and a production method. The plate contains the following raw materials in percentage by weight: 40 to 60 mesh crushed coin straw 60-80, industrial paper pulp processing waste slag liquid 15-25, and 40 to 60 mesh industrial fluidized bed furnace ground slag 5-15. The method comprises: material preparation, raw material crushing, fermentation, mixing, material drying, stirring, pulping, mold loading, compression molding, demoulding and drying. The plate and the production method have the advantages of reducing damages to vegetation, namely plough layer surface soil, solving the problem of difficult soil digging, developing and utilizing straw resources, realizing energy conservation and emission reduction, integrating the medium and the plate, replacing a seedling raising plate and being suitable for the standardization of mechanical sowing, mechanical planting and seedling raising.

The invention belongs to the technical field of plant seedling culture, and discloses a seedling growing method for oil expression peony seeds. The method comprises measures of collection and processing of the oil expression peony seeds, seed storage, seedbed preparation, sowing and seedling raising, management after transplantation, and the like. Compared with the prior art, the method has the advantages that the seed processing time is short, the seed processing method is simple, the emergence of seedlings is tidy, the emergence rate is high, the seedling survival rate is high, the seedling raising cost is low, no season influence of transplantation after seedling survival exists and the like.

The invention belongs to the technical field of vegetable seedling culture and recycling of solid organic waste, and particularly relates to a vegetable seedling culture soilless matrix compounded with straw mushroom slag and a preparation method thereof. The vegetable seedling culture soilless matrix compounded with the straw mushroom slag comprises the main ingredients: straw mushroom slag, vermiculite and coconut residuum and the like. In the matrix, the volume ratio of the decomposed straw mushroom slag accounts for more than 40% of the total volume, the volume ratio of the vermiculite accounts for less than 305 of the total volume, the volume ratio of the coconut residuum accounts for less than 30% of the total volume, the matrix is prepared by mixing all the ingredients, and the volume weight is about 0.5g / cm<3>. In the invention, due to the application of technologies such as higher adsorption properties and nutrient compounding and the like, the technical bottleneck of restricting the quality of the vegetable seedling culture soilless matrix is effectively solved, the germination rate of seeds is increased, the forming of strong seedling is enhanced, and the seedling culture period is shortened.

The invention discloses a sprout cultivation method and device of machine-plugging rice seed, which comprises the following parts: sprout cultivation bed with frame structure, substrate, covering film and micro-hole permeating film. the sprout cultivation method comprises the following steps: 1. paving substrate; 2. paving soil on the sprout cultivation bed; strickling the surface; 3. irrigating to make bottom soil reach saturated condition; 4. weighing seed; sowing evenly; 5. covering sowing soil evenly; 6. covering film to conserve soil moisture; 7. managing seed bed; 8. cutting block to obtain the plant for plugging.

The invention discloses a polygonatum cyrtonema seed rapid emerging method. Polygonatum cyrtonema fruits are harvested and washed after the fruits are mature to obtain clean seeds for cold sand storage immediately, dormancy is removed from hypocotyl after storage treatment of 120 days, the seeds are treated with gibberellin with proper concentration and soaking time and are not sprouted, and emerging doesn't occur in the current year; gibberellin treated seeds are sown in a seedling plate loaded with a loose, fertile and moist substrate, primary roots of polygonatum cyrtonema are grown fully after four months, dormancy is removed from epicotyl after the primary roots are taken out and treated with cytokinin 6-BA with proper concentration and soaking time, the seeds are transplanted in a shading seedling field, emerging starts after about 15 days, the emerging is uniform, and the emergence rate can be as high as 70%. The polygonatum cyrtonema seed rapid emerging method has the advantages that the seed germination rate is high after treatment, the emergence rate is high, and the seedling culture time is reduced by one year.

The invention discloses a seedling raising method for oil-used peony seeds. The method comprises the steps of (1) selecting seeds; (2) soaking the seeds for disinfecting; (3) treating the oil-used peony seeds of step (2) by using cold plasma generated by atmospheric dielectric barrier discharge for 50-60 seconds; (4) preparing a treatment solution containing 0.25mg / L of gibberellin, 2mg / L of indoleacetic acid and 3mg / L of calcium chloride; (5) performing variable temperature stratification: mixing the oil-used peony seeds treated in step (3) with fine sand, perlite and vermiculite in a ratio of 1:(3-5):(1-2):(1-2), adjusting the humidity to 40-50%, and performing variable temperature stratification in a constant temperature incubator according to three stages; (6) sowing; and (7) performing seedling management. By adopting the seedling raising method for the oil-used peony seeds, seed dormancy can be effectively broken during breeding, so that seeds are quickly germinated, germination of seeds is accelerated, the emergence rate of seeds is improved, the emergence time is shortened, the emergence is even, and the growth indexes of young seedlings such as fresh weight, plant height, root system and the like are improved to different degrees; and the method does not have pollution to the environment.

The invention relates to a seedling cultivating substrate and a preparation method thereof, and belongs to the technical field of seedling cultivating substrate development. The seedling cultivating substrate comprises the following components, by volume percentage, 68-72% of fermentation materials, 8-12% of vermiculite, 12-16% of crop stalks and 4-8% of perlite. According to the preparation method of the seedling cultivating substrate, the humidity of tea residues is adjusted to reach 50-60%; then the tea residues are smashed directly, farm-oriented microbial fermentation fungus agents are mixed in each stere of smashed tea residues and are stirred evenly, and pile layers are made to carry out high temperature aerobic fermentation; finally the fermented substances is mixed with the vermiculite, the crop stalks and the perlite. According to the seedling cultivating substrate and the preparation method thereof, the pollution of tea residues can be eliminated, the ecological environment of China can be improved, and the seedling cultivating substrate can shorten seedling cultivating cycles.

The invention relates to a method for rice seedlings on upland field, in particular to a method for quickly raising the rice seedlings on the upland field with saline-alkali soil, and solves the technical problems that conventional rice seedling technologies are long in seedling raising period, severely impacted by low-temperature weather conditions, slow in rice seedling growth, prone to getting disease and high in seedling cost. The method includes: (1) soaking seeds; (2) seeding in matched soil; (3) covering with a film for accelerating germination; (4) controlling temperature to raising seedlings; and (5) ventilating and training the seedlings. The method promotes the seeds to germinate early and grow quickly, so that the seedling raising period is shortened, input of chemical agent is saved, saline-alkali resisting capability of rice seedlings is improved, rice seedling cost is greatly reduced, survival rate of transplanting is high, and the method is simple to operate, strong in operability, and applicable to large-scale seedling raising in rice cropping production on the saline-alkali soil and meanwhile applicable to rice seedling cultivation of green rice planting. The method is used for raising the rice seedlings on the upland field with the saline-alkali soil.

The invention discloses a seedling raising bed for an electric lighting greenhouse of sweet potatoes. The seedling raising bed comprises a groove ridge built in the greenhouse, and an electric heating layer, a sandy soil isolating layer, a potato seed layer and a sandy soil covering layer that are sequentially laid in the groove ridge from the bottom up; and the electric heating layer is connected with an external power supply. The invention further discloses a seedling raising method for the electric lighting greenhouse of the sweet potatoes. The seedling bed is uniform in temperature; potato seedlings are healthy; controlling of the black rot of the sweet potatoes and raising of healthy and sound seedlings are import links for yield increase in the production; after the electric heating layer is powered on, the temperature of the whole bed is uniform, the temperature difference is very small, the black rot is controlled under the high temperature of 35 DEG C, the raised seedlings are healthy and sound, and the emerged seedlings are tidy and large in quantity; the temperature rise is reliable; the management is convenient; in the seedling bed with the electric heating layer, the temperature can be decreased by 1-2 DEG C per hour under good heat preservation conditions, and the temperature rise is faster compared with a heated brick bed; a temperature controller is adopted to automatically control the bed temperature, thereby being convenient, reliable, power-saving and labor-saving; and the cost is lowered.

The invention discloses a dry farming direct seeding planting method of rice, which comprises the steps of preparing sprinkling irrigation equipment: the lifting micro-sprinkling irrigation equipment is buried under to-be-planted ground for 30-40cm; processing a field: straws of last stubbles of crops on the to be planted ground are cut into sections, the lengths of the straw sections are 2-20cm, the straw sections are broadcast in soil, a base fertilizer is applied on the soil, and the soil is subjected to ploughing and rotary tillage; preparing rice seeds and seeding: the selected rice seeds are sown on the processed soil uniformly, and then the soil is compacted; and performing sprinkling irrigation: the lifting micro-sprinkling irrigation equipment buried under the ground is used for irrigating the soil sown with the rice seeds, and the water content of the surface of the soil is 40-60%. Therefore, the precision irrigation to the crops is realized; excess water accumulation in the rice field is avoided; and the utilization ratio of water resources is increased. In addition, the straws are turned into organic fertilizers with the passage of time; straw turnover is realized indeed; the method contributes to improving the yield and quality of grains; and environmental pollution due to straw burning is avoided.

The invention discloses a method for culturing and transplanting a seedling of cassava, which belongs to the technical field of plant cultivation. In the method, the seedling is cultured at the end of a dry season and at the beginning of a rainy season, wherein the furrow height of the cultured seedling is 15 to 20cm and the width of a furrow surface is 8 to 10cm; a seedling culturing material adopts a stem section cuttage propagation method; a stem stick under a branch of the cassava is cut off to form a seed stem, wherein the length of the seed stem is 15 to 20cm and the thickness of the seed stem is 1 to 3cm; a root dipping agent is prepared by mixing 0.5 to 1 kilogram of calcined lime, 0.5 to 1 kilogram of rooting powder and 10 to 20 kilograms of water before cuttage; after dipped into the root dipping agent, the seed stem is inserted into the furrow surface, wherein the distance between every two seed stems is 20 to 25cm; and thoroughly decomposed clear dung water is used for irrigation for one time after 3 to 5 days of the cuttage, the seedling with the height of 8 to 15cm is transplanted. The method has the advantages that average survival rate is up to 92 percent, planting survival rate is 18 percent higher than that of plants by the conventional cultivation method, 300 strips of sprouts are saved in each square hectometer, 20 days of labor force is saved in each square hectometer, operation is simple and convenient and the method is easy to grasp.

The invention provides a method of rapid seedling growing of true seeds of sweet potatoes. The true seeds are processed for 30 minutes by concentrated sulfuric acid, rinsed by clean water, directly sown in a base material, then covered by a mulching film for 3 days so that all seedlings can sprout, and then irrigated in a micro-jet manner so that seed coats can shed naturally. The micro-jet watering is performed in daily management so as to control the temperature and the humidity. According to the invention, seedling growing procedures are saved; large labor is reduced; and emergence time of the seedlings of sweet potatoes is increased. In addition, via the combination of the mulching film and the micro-jet irrigation, a problem of manual removing of seed coats after the true seedlings of sweet potatoes sprout is solved, labor is saved and percentage of seedling emergency of the true seedlings of sweet potatoes is greatly increased. Tests and statistics show that the average generation rate of the true seedlings of hybridized combination of sweet potatoes is more than 85%, survival rate of seedlings is more than 90% and requirements on planting, inserting and breeding of new varieties of the true seedlings of sweet potatoes can be completely satisfied.

The invention discloses a non-tillage, drought-resisting and cold-resisting planting method of winter rapes in dry land. The method includes the following steps: in spring, according to requirements of non-tillage direct sowing of the winter rapes in next season, timely performing spring sowing of corn after fertilizing, deep ploughing, raking and grinding and mulch covering, and not uncovering mulches in the whole growing period of the corn; after harvesting of the corn in autumn, cleaning cornstalks, keeping the mulches, and performing no-tillage hole sowing of the winter rapes on the mulches directly; not uncovering the mulches in the whole growing period of the winter rapes, and harvesting the winter rapes in next summer. The method specifically includes (1), cleaning the cornstalks, (2), sowing, and (3), performing field management. By the method, farming time can be saved, timely sowing of the winter rapes can be realized, soil water content and land temperature after the corn is harvested and the winter rapes are sowed are improved, seedlings are orderly and uniform and grow robustly, processes are reduced, and cost is lowered.

The invention provides a method for the cage propagation of Portunus trituberculatus Miers in a coastal mudflat pond, which is characterized in that: selecting and domesticating parent crabs; selecting egg-carrying crabs and producing juveniles; and breeding juvenile crabs, wherein the whole juvenile crab breeding process is performed in natural ecological environment in the coastal mudflat pond. The invention also provides breeding cages and accessory facilities which are used in the method, which comprise temporary parent crab breeding cages, breeding cages and juvenile attaching bases. In the cage propagation in the coastal mudflat ponds of the invention, the parent crabs are gown in the temporary breeding cages, the juveniles are distributed in the breeding cages and the juveniles are bred in the cages; all facilities are arranged in one pond, so the operation is convenient; being bred in the outdoor coastal mudflat pond, the Portunus trituberculatus Mier juveniles can well adapt to the outside environment; the survival rate is high; the juveniles production is consistent; and the drawback of low adaptability to outside environment of juvenile crabs bred in greenhouses is overcome.

The invention relates to a sugar cane full-film mulching cultivation method which aims to solve the problem that a certain amount of water is required for the emergence of the sugar cane under less rain water and soil drought conditions during the planting period of the sugar canes in winter and spring. The method is favorable for reducing the growth of weeds in the field, keeping the soil humidity, improving the rate of emergence of the sugar canes and promoting the root systems of the sugar canes to deeply insert and the aboveground part to grow, thereby creating favorable conditions for the selection of new species, high yield and stable yield of the sugar canes; and the method mainly adopts the technical scheme that the sugar canes are planted in the moist land blocks, weedicide is sprayed on the moist soil surface layer after the sugar canes are planted, the full overlaying is performed to the planting area by using the plastic film with the thickness of 0.008 to 0.012 cm, the soil is pressed and compacted around the plastic films and at the bottoms of seedling planting trenches, and no open space is left between rows.

The invention discloses an organic sticky rice planting method which comprises the four key control steps of sticky rice seed fertilizer coating processing, seedling growing, seedling transplanting and fertilizing. In the organic sticky rice planting method, coated fertilizer is used for processing sticky rice seeds, wherein the ratio between fertilizer and seed coating is 20-50:1. The effects of increasing the seed germination percentage, facilitating seedling growth and improving stress resistance are achieved. In the later period, organic fertilizer made of substance with natural insect-resistant and bacteriostatic activity is used, the dual effects of pesticide and fertilizer are achieved, plant diseases and insect pests are greatly reduced, and the later-period prevention frequency is reduced. Organic sticky rice planted through the organic sticky rice planting method is high in nutrient substance content and the quality of the sticky rice and economical benefits are obviously improved.

The invention relates to a method for comprehensive utilization of edible fungus residues. The method comprises the steps of 1, conducting steam treatment on waste bacteria sticks after impurity removal and smashing, so that pretreated fungus residues are obtained; 2, adjusting the water content and pH of the pretreated fungus residues, and building a heap for solid aerobic fermentation, so that primarily fermented fungus residues are obtained; 3, mixing the primarily fermented fungus residues with water in proportion, conducting aerated fermentation constantly, conducting filtration, and drying and smashing filter residues to obtain vegetable cultivation base fertilizer, wherein filtrate serves as an edible fungus growth promotion and yield increase agent. Mycoprotein, polysaccharide, oligosaccharide, enzymes, microorganisms and other bioactivators rich in fungus residues are fully utilized, mycoprotein, cellulose and lignin are further degraded into substances capable of being absorbed by edible fungi easily, the edible fungus growth promotion and yield increase agent which contains various physiological activators and nutrients and can promote edible fungus growth is obtained through extraction, and filter residues are used for preparing a vegetable seedling culture medium.

The invention discloses a breeding method for black and white sweet glutinous hybrid maize. The breeding method for black and white sweet glutinous hybrid maize comprises the steps of selecting ultra-sweet maize, glutinous maize, a common high yield multi-resistance maize-inbred line and the like from different regions to be equivalently mixed, openly pollinating the maize, establishing a basic group A, selecting black glutinous maize germplasm from different regions to be equivalently mixed, openly pollinating the maize, and establishing a basic group B; then carrying out recurrent selection to the properties of seeds of the maize to respectively form a white sweet glutinous maize recurrent selection group A and a black sweet glutinous maize recurrent selection group B, obtaining a serious inbred line through multi-generation inbreeding, and screening a white sweet glutinous maize inbred line 4587 and a black sweet glutinous maize inbred line 3303 through combination ability measurement and cross combination quality identification to obtain 4587 X black 3303 hybrid. The breeding method can ensure both the glutinous and sweet genes of a parent inbred line and the hybrid of the parent inbred line, and also ensure the appearance quality, the favorable edible quality, the stability and the consistency of the hybrid. Moreover, the seeds of the maize are black and white.

The invention discloses a mountain land mulching film peanut seeder capable of completing seeding and hilling simultaneously. According to the seeder, a seed box is arranged on the upper part of a machine frame; a sowing wheel on the lower part controls the sowing; a seeding wheel is arranged on the lower part of the machine frame; and a seeding nozzle of the seeding wheel, a seeding nozzle opening and closing draw plate, a seeding nozzle opening and closing pulley and an opening and closing draw plate return spring form an opening and closing structure capable of realizing automatic soil inserting and seeding. A soil distributor lowering chute is arranged on the middle lower part of the machine frame; a seeder sprocket arranged on the left side of the machine frame drives a back sprocket through a chain; and the back sprocket is engaged with a back end gear and drives a scraping conveyer belt through a coaxial transfer gear. The scraping conveyer belt is arranged on the back part of an earth blade tip which can move up and down for scraping earth under the control of an elevating tie bar. A balance wheel 10 is arranged on the back part of the machine frame. The mountain land mulching film peanut seeder has the advantages that the seeder is driven by human efforts or a micromechanism to carry out film rupturing, insertion seeding and hilling simultaneously, thereby greatly improving the working efficiency and having an obvious soil moisture preservation effect; the seeder has low operating strength; and the seeder is suitable for the operations in slopes, and miniature and complex land blocks.

The invention discloses a total collecting and covering no-tillage operation method for corn straw, and belongs to the field of agriculture. The total collecting and covering no-tillage operation method comprises the steps of step 1, selecting land blocks; step 2, treating straw; step 3, collecting straw in rows; step 4, performing deep scarification in autumn; step 5, performing no-tillage sowing; step 6, performing reduced application of herbicides; step7, performing deep scarification at the seedling stage; and step 8, managing diseases and insect pests, so as to form a crop rotation mode for alternative operations in two years for a straw mulching leisure zone and an agrarian zone. According to the total collecting and covering no-tillage operation method, the problem between total straw returning to fields and sowing can be effectively solved, the rate that the protective cultivation straw is returned to the fields is increased to 100%, the method has obvious operations for preservation of soil moisture for north in spring, the sowing effect and the rate of emergence are guaranteed, the yield increment effect is obvious, straw returning to fields can protect the black lands, and the method is a strong measure for constructing agricultural sustainable development.

The invention discloses an orange peel dregs seedling raising substrate and a preparation method thereof, and belongs to the technical field of preparation of seedling raising substrates. Fermented orange peel dregs subjected to microorganism fermentation de-acidification, composite enzyme preparation degradation and microorganism liquid bacterial agent composting fermentation are used as a raw material; shaximiao group purple soil is used for replacing non-renewable resources such as turf, perlite, and vermiculite to scientifically compound a soil insecticide so as to obtain the seedling raising substrate which is free of weeds and pests, good in physical property, reasonable in hygroscopicity, excellent in air-conductivity, reasonable in PH value, strong in ion exchange capacity, balanced in nutrition, high in seedling emerging rate, and regular and strong in seedlings. The preparation method disclosed by the invention is simple in process and low in requirement on equipment, the orange peel dregs are fermented for 12-15 days, the pest killing and sterilization of the seedling raising substrate is 5-7 days at most, the preparation method saves 18-20 days as compared with the prior art, not only is the raw material cost of the seedling raising substrate greatly lowered, but also the production period is shortened, and the preparation method is not restricted by factors such as weather, and can achieve mass production at any time.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a method for improving the germination rate of wild soybean seeds. The method is realized by the following steps: selecting the seeds, grinding by sand, soaking the seeds into a seed treatment agent, washing and sowing, wherein the seed treatment agent comprises nonylphenoxypoly(ethyleneoxy)ethanol, milkvetch root extract, glycerinum and distilled water. According to the method, the wax on the surface layer of wild soybeans can be firstly removed by grinding within a short time, and the seeds are soaked in the seed treatment agent, so that the germination rate and the germination potential of the wild soybeans can be obviously improved, and seedlings can rapidly emerge in order.

The invention discloses a multilayer rice straw matrix block for machine-transplanted seedlings and a seedling raising method. The method comprises the steps that 1), non-decomposed straw fiber with the length being 5-30 mm, 10-day-decomposed straw fiber and 20-day-decomposed straw fiber are prepared; 2), decomposed straw fiber is prepared; 3), decomposed and extruded straw fiber is prepared through a twin-screw extruder; 4), pulping is conducted by means of the non-decomposed straw fiber, the decomposed straw fiber and the decomposed and extruded straw fiber in sequence, suction molding is conducted, and the multilayer rice straw matrix block is obtained. The matrix block is small in bulk density, high in water-holding porosity, good in mechanical property during transplantation and highin rice seedling rate; the matric block is applicable to machine-transplanted seedling raising.

The invention discloses a seedling cultivation light environment of leafy vegetables. In the light environment, a ratio of the number of optical photons with a wavelength of 380 to 399 nm is less than or equal to 0.1 percent, a ratio of the number of optical photons with a wavelength of 400 to 499 nm is 21 to 25 percent, a ratio of the number of optical photons with a wavelength of 500 to 599 nm is 14 to 15 percent, a ratio of the number of optical photons with a wavelength of 600 to 699 is 46 to 50 percent, and a ratio of the number of optical photons with a wavelength of 700 to 780 nm is 12 to 17 percent; in a wave band of 400 to 499 nm, a ratio of the number of the optical photons with a wavelength of 436 nm is greater than or equal to 1.3 percent, and a ratio of the number of the optical photons with a wavelength of 480 nm is greater than or equal to 0.79 percent; in the wave band of 600 to 699 nm, a ratio of the number of the optical photons with a wavelength of 630 nm is greater than or equal to 0.8 percent, and a ratio of the number of the optical photons with a wavelength of 660 nm is greater than or equal to 1.35 percent; and in a wave band of 700 to 780 nm, a ratio of the number of the optical photons with a wavelength of 730 nm is greater than or equal to 1.35 percent.

The invention belongs to the field of detection of disease resistance of horticultural plants, and relates to a seedling stage identification method for cowpea wilt resistance. The method includes the steps of sprouting cowpea seeds, sowing, cultivating seedlings, separating and cultivating bacterial strains special for inoculation, preparing oxysporum spore suspension liquid, infecting pathogenic bacteria, surveying plant disease causes and the like. Cowpea seedlings are infected with oxysporum artificially with the method that seedling roots are infected with bacterium liquid, cowpea seeds are cultivated in seedling cultivating matrixes to grow two leaves and one bud, then the seedlings are pulled out from infection, the growth vigour and the size of the cowpea seedlings can be controlled easily, the cowpea seedlings can be pulled out easily, and consistency and reliability of identification results are guaranteed. The special indication bacterial strains, the appropriate infection time and the appropriate oxysporum spore suspension liquid concentration are adopted, the infection effect is good, and even inoculation and quick disease generation are achieved. By means of the method, the oxysporum infection only needs to be conducted on different plants with the consistent growth vigour after roots are damaged directly through natural friction, the method is easy and convenient to operate, quick in identification, reliable in result and particularly suitable for identifying the oxysporum disease resistance of cowpea cultivating materials in batches.

The invention discloses a rhizome section fast propagation method for polygonum hydropiper. The method comprises the following steps: (1) drawing materials from the wild, namely selecting a polygonum hydropiper community with good wetland growth vigour, and excavating rhizomes in a soil layer underground, wherein the rhizomes are kept complete while sampling and loading; (2) selecting rhizome sections, namely washing the rhizomes taken back from the wild with running water for removing soil; (3) soaking with rooting powder solution, namely putting the cut rhizome section into the rooting powder solution to be soaked; (4) preparing a substrate, namely blending equivoluminal river sand and peat soil to prepare a culture substrate for later use; (5) preparing a seedling bed, namely paving the substrate on the seedling bed; (6) sowing, namely horizontally placing the selected rhizome sections into a sowing furrow, and then covering with the culture substrate, wherein the rhizome sections are connected end to end; (7) cultivating, namely watering once everyday, so that the substrate keeps wet but water is not logged; and (8) transplanting, namely excavating plants from the substrate when new roots grow on the rhizomes, and transplanting the plants into soil. The method disclosed by the invention is convenient, operation is easy, propagation period is short, germination rate reaches 90%, and transplanting survival rate reaches 95%.

The invention relates to a process of wheat undersowing in rice field. It is characterized in that it comprises following steps: (1) sowing wheat into rice field with density of 112.5- 150 kg / hm2 7- 10 days before rice harvest; (2) dressing combination fertilizer and urine on base of organic fertilizer dressing 6-7 days after rice harvest, removing weed with pesticide; (3) dressing stem jointing fertilizer 138- 142 days after rice harvest; (4) dressing fertilizer for flag leaf when the leaf age is1; (5) harvesting wheat. The invention is characterized in that (1) sowing in advance for 7- 10 days, which release pressure of larbor force and reason; (2) it promotes wheat growth, and the weed removal effect is good; (3) the no-tillage cultivation is helpful to soil physical chemical properties and maintain soli cluster structure.

The invention discloses a willow greenhouse sowing and seedling-raising method. The willow greenhouse sowing and seedling-raising method includes the following steps: (1) seed harvesting and preparing; (2) sowing matrix preparing; (3) sowing; (4) transplanting; (5) seedling management. By means of the willow greenhouse sowing and seedling-raising method, the emergence rate of sowed seeds is higher than 90% and increased by more than 50% compared with a field seedling raising mode, and the time for sprouting and seedling emerging of the sowed seeds is shortened by two thirds compared with field seedling raising. The willow greenhouse sowing and seedling-raising method has the advantages of being low in seedling raising cost, practicable, easy and convenient to operate, high in seedling propagation seedling emergency rate and the like, and has the important application and popularization value in willow crossbreeding and sowing seedling-raising production.

The invention provides a method for rapid cultivation of lily bud scale bulb-lets. The lily bud scale bulb-lets are cultivated in the soil after the bud scale bud forcing treatment, the expansion treatment of the bud scale bulb-lets and the low-temperature treatment of the bud scale bulb-lets. The method can lead the lily bud scale bulb-lets to grow stalks in the same year, and the stalk growing rate of the lily bud scale bulb-lets can achieve 50-70 percent, thereby greatly shortening the cultivation cycle of lily seedballs to 2 years from 3 years; in addition, the lily bud scale treated by the method can faster generate the bulb-lets, the bud scale bulb-lets have the advantages of even size, greater generation of the bulb-lets and the like, the girth diameter of the bulb-lets is 2-3.5cm, the average number of the bud scale bulb-lets is three, and the bulb-lets treated by the method have more tidy emergence after being cultivated in the soil, thereby facilitating the cultivation and the management.