59results about How to "Well-developed root system of seedlings" patented technology

The invention discloses a microbial fertilizer specially used for magnolia officinalis powdery mildew. The microbial fertilizer is characterized by comprising the following components in parts by weight: 2-4 parts of bacillus subtilis, 1-3 parts of frankiaceae, 3-5 parts of streptomycete, 2-4 parts of nystatin, 50-60 parts of urea, 25-30 parts of ammonium phosphate, 15-20 parts of boron sand, 10-15 parts of ferrous sulfate and the like. According to the physical habits of magnolia officinalis, a proper technology and a special fertilizer formula are adopted, so that the shortcomings that seeds of the magnolia officinalis are difficultly germinated, seedlings untidily grow, and the survival rate is low are overcome; conditions are created for large-area culture and application of the magnolia officinalis.

The invention discloses an efficient magnolia grandiflora culture method. According to the method, the close planting enhancement is carried out during the seedling culture, when seedlings grow to a state that the trunk diameter is greater than 5cm, the local seedlings are subjected to additional fertilization, short cutting measures are taken for seedlings which are not subjected to additional fertilization, after the trunk diameter of the seedlings subjected to the additional fertilization reaches 10 to 12cm, the seedlings subjected to the additional fertilization are transplanted and are supplied to the market, and the rest seedlings are subjected to additional fertilization. The efficient magnolia grandiflora culture method provided by the invention solves the problems of slow benefit obtaining and low integral benefits in the traditional magnolia grandiflora culture technology. The cultured seedlings are sturdy, the crown shape and the trunk shape are very good, the pest and disease damage is little, the seedling root system is well developed, the seedling yield is high, the transplanting survival rate of greening seedlings is high, and the adaptability is high. The magnolia grandiflora culture mode has the advantages that on the basis of sufficiently utilizing the photosynthesis theoretical knowledge of trees and the forest ecological structure theory, the seedlings are creatively configured, various culture measures are flexibly utilized, the operation is simple, convenient and feasible, in addition, the cost is low, and the popularization and the application are easy.

The invention discloses a mycorrhization seedling growing method of the cut root of Moringa Oleifera Lam. The method comprises the steps of seedbed preparation, seed selection and treatment, sand bedaccelerating germination, matrix preparation, bud seedling inoculating and transplanting, and seedling stage management. Mature and full seeds of Moringa Oleifera Lam are selected, and are subjected to sand-storage accelerating germination after being subjected to pest killing and disinfection, after bud seedlings come out, the cut root is inoculated with culture and is then transplanted to a prepared seedling growing container, and high-quality strong seedlings of Moringa Oleifera Lam are cultivated through management and cultivating. By means of the mycorrhization seedling growing method ofthe cut root of Moringa Oleifera Lam, through the procedures of seed treatment, sand-storage accelerating germination, container seedling growing and the like, and by dipping the root with a tailor-made mycorrhization agent before transplanting, the yield of nursery stocks is effectively increased, the quality of the nursery stocks is effectively improved, the disease and pest resistance of the nursery stocks is improved, and the survival rate of the nursery stocks is high, and reaches 95% or above; the root system of the nursery stocks is developed, the nursery stocks can be qualified for selling in advance, the seedlings can be qualified in advance, the seedling growing cost can be lowered, and the mycorrhization seedling growing method has high economic benefits, social benefits and ecological benefits.

The invention relates to a method for breaking dormancy of aquilegia viridiflora seeds. The method mainly comprises the following steps: selecting seeds, immersing seeds, immersing by plant extract, and carrying out stratification. According to the method, the germination time of aquilegia viridiflora seeds can be greatly shortened by comprehensively utilizing immersing, stratification and other technologies for breaking dormancy of seeds; and the seed seedling of aquilegia viridiflora prepared by utilizing the method has the advantages of strong root system, good growth vigor, high growth speed and high survival rate.

The invention relates to a seed growing method for pyrus betulaefolia. The seed growing method comprises the steps of seed collection, soaking, multi-medium lamination treatment, performing sprouting cultivation through a manmade climate box and the like. By the adoption of pyrus betulaefolia seeds treated by the seed growing method disclosed by the invention, the sprouting rate is increased, and the seed treatment expense is lowered; meanwhile, the shortcomings of low seed sprouting speed and untidy seedling emerge are overcome, so that tree seeds with difficulty in seedling growing are easy to multiply and are multiplied quickly; the seed growing method is easy to popularize in production, and the sprouting rate is over 95 percent.

The invention discloses an asexual rapid propagation method for lithocarpus areca. The method comprises the steps of: scion collection; grafting time; grafting; and post-grafting management. The method specifically comprises: selecting a quercus variabilis container seedling as a rootstock; clipping robust and pest-free branches which are from being semi-lignified and lignified from a seed tree of lithocarpus areca as scions; performing grafting by adopting a cleft grafting method; and performing post-grafting management till grafted seedlings of lithocarpus areca obtained in spring in the next year can be discharged out of a garden for afforestation. The method disclosed by the invention is a breakthrough of an asexual propagation technology for lithocarpus areca. By performing propagation by grafting by using the quercus variabilis rootstock, quercus variabilis container seedlings which maintain excellent economical character of a mother parent are massively and rapidly propagated, and the root systems of the seedlings are developed. By virtue of the advantageous characteristic that the quercus variabilis rootstock has a relatively strong adaptive capacity to natural environments such as drought and barren environments, scions and rootstocks of the lithocarpus areca seedlings can be quickly healed and germinate new tips, and the germinated new tips are quick to grow, so that high-quality, high-efficiency and quick development of lithocarpus areca are accelerated. The preparation method has relatively good economical benefit, social benefit and ecological benefit.

The invention discloses a method for transplanting rice seedlings and raising the rice seedlings through a rice machine. The method comprises the following steps that a field block which is leeward, apricus, fertile in soil and convenient to manage is selected as a seedling bed; an organic matrix is prepared; seeds are treated; for each plate, conventional rice seeds range from 120 g to 140 g, hybrid rice seeds range from 80 g to 100 g, and covering is conducted with soil for 0.5 cm after the seeds are sowed; an arch frame is built with bamboo chips, the arch frame is 30 cm-40 cm high, spacing is 50 cm, and the arch frame is covered with thin film; after the seeds sprout, the field is kept moist, after a leaf has one leaf center, the film is removed, seedling exercising is conducted at the temperature ranging from 20 DEG C to 25 DEGC, water controlling and seedling exercising are conducted three days before transplanting, fertilizer applied before transplanting is applied once at dusk, and 4 kg of urea mixed with 500 kg of water is watered to a rice seedling bed per mu at dusk. According to the method for transplanting the rice seedlings and raising the rice seedlings through the rice machine, the organic matrix is adopted for raising the seedlings, the speed of emergence is high, the seedling quality is good, root systems of seedlings are developed, and the number of white roots is increased; matrix seedling raising and seeding are good in uniformity, and few pest diseases and weeds exist; by means of the method for transplanting the rice seedlings and raising the rice seedlings through the rice machine, the seedling raising cost is reduced, consumption on surface soil is avoided, and a good protective effect on farmland is achieved.

The invention discloses a Lithocarpushancei(Benth.)Rehd-QuercusacutissimaCarruth container seedling grafting breeding method comprising the steps of scion acquisition, grafting time, grating, and post-grafting management; selecting QuercusacutissimaCarruth container nursery stock as stock; cutting strong semi lignifications-lignifying branches with no insect disease from Lithocarpushancei(Benth.)Rehd seed tree to serve as scion; using cut-grafting method for grafting; carrying out post-grafting management until next spring so as to obtain Lithocarpushancei(Benth.)Rehd grafted seedlings for afforestation. The method is a breakthrough in Lithocarpushancei(Benth.)Rehd asexual breeding technology; QuercusacutissimaCarruth stock is used for grafting breeding; QuercusacutissimaCarruth container nursery stocks with excellent female parent economic characters are fast and massively breed, and the stock is prosperous in root system; the QuercusacutissimaCarruth stock has strong adaptation capability for natural dry, wet and cold conditions, the Lithocarpushancei(Benth.)Rehd seedling can utilize the advantages, so the scion and stock can fast heal and germinate new shoots; the germinated new shoots can grow fast, thus promoting high quality, efficiency and fast development of the Lithocarpushancei(Benth.)Rehd, and providing better economic benefits, social benefits and ecology benefits.

The invention discloses an asexual rapid propagation method for lithocarpus oleaefolius. The method comprises the steps of: scion collection; grafting time; grafting; and post-grafting management. The method specifically comprises: selecting a quercus variabilis container seedling as a rootstock; clipping robust and pest-free branches which are from being semi-lignified to lignified from a seed tree of lithocarpus oleaefolius as scions; performing grafting by adopting a cleft grafting method; and performing post-grafting management till grafted seedlings of lithocarpus oleaefolius obtained in the next spring can be discharged out of a garden for afforestation. The method disclosed by the invention is a breakthrough of an asexual propagation technology for lithocarpus oleaefolius. By performing grafting propagation by using the quercus variabilis rootstock, quercus variabilis container seedlings which maintain excellent economical characteristics of a female parent are massively and rapidly propagated, and the root systems of the seedlings are developed; By virtue of the advantageous characteristic that the quercus variabilis rootstock has a relatively strong adaptive capacity to natural environments such as drought and barren environments, scions and rootstocks of the lithocarpus oleaefolius seedlings can be quickly healed and germinate new tips, and the germinated new tips are quick to grow, so that high-quality, high-efficiency and quick development of lithocarpus oleaefolius are accelerated. The preparation method has a relatively good economical benefit, social benefit and ecological benefit.

The invention relates to the technical field of vegetable planting, and in particular relates to a vegetable root-strengthening nutrient solution and a method for cultivating vegetables by utilizing the nutrient solution. The nutrient solution comprises sweet wormwood, a ternary compound fertilizer, flue-cured tobacco powder and clean water. The vegetable seedlings cultivated by the nutrient solution are developed in root system, high in survival rate after being transplanted to the large fields, good in growth, survived after being transplanted for 3-5 days, restored in growth, and are survived and grown 4-5 days in advance relative to a conventional seedling growing technology. After being transplanted, the seedlings cultivated by the method adopt the management method which is the same as that of the conventional seedlings, and the yield per unit area of the vegetables is increased by 10-20% relative to the conventional seedling growing technology during harvesting, the harvesting time is 5-10 days earlier, and the production cost is reduced by 15-30%.

The invention discloses a cutting cultivating method of thevetia peruviana. The method comprises the following steps: (1) applying a naphthylacetic acid solution to 1cm to 2cm of a stem base of each thevetia peruviana cutting strip; (2) perforating holes in a cutting medium of a cutting bed, and inserting the thevetia peruviana cutting strips into the holes; (3) cultivating the cut thevetia peruviana for 30 days under the condition of 20 to 25 DEG C and relative humidity of 80 to 85 percent, and applying carbendazim one time every ten days; the cutting medium in the step (2) is prepared by a following method: taking yellow soil in the depth of 1m, exposing the yellow soil, crushing the yellow soil, mixing the yellow soil with sawdust according to a weight ratio of 6: 4 by continuously watering the mixture to maintain wet, and adding disinfectant and uniformly stirring the disinfectant and the yellow soil.

The invention discloses a rapid asexual propagation method for lithocarpus hancei. The method comprises the working procedures of scion collection, grafting time determining, grafting and post-grafting management; particularly, a cork oak container nursery-grown plant is used as a stock, half lignification to lignification branches which are healthy and free of pest and disease damage are clipped from a lithocarpus hancei seed tree to be used as scions, grafting is carried out through a cleft graft method, post-grafting management is carried out, and lithocarpus hancei grafted seedlings obtained in next spring can come out for forestation. The lithocarpus hancei asexual propagation technology is brought through, grafting propagation is carried out through the cork oak stock, the cork oak container nursery-grown plants with the excellent economic characters are greatly and rapidly propagated, and the nursery-grown plant root system is developed. By means of the advantage that the cork oak stock has the high adaptive capacity for natural environment such as drought and barren, the scions and the stock can be rapidly healed, shoots emerge, the shoots rapidly grow, high-quality, efficient and rapid development of lithocarpus hancei is facilitated, and good economic benefits, social benefits and ecological benefits are obtained.

The invention discloses a method for interrupting dormancy of delphinium grandiflorum seeds. The method mainly comprises the steps of selecting seeds, soaking the selected seeds, soaking the seeds in plant extract liquor, and carrying out stratification treatment. The technologies, such as soaking and stratification treatment, are comprehensively used for interrupting the dormancy of the seeds, so that the germination time of the delphinium grandiflorum seeds is greatly shortened; furthermore, seedlings of the delphinium grandiflorum seeds obtained by the method are developed in root system, good in growth vigor, high in growing speed and high in survival rate.

The invention discloses an asexual rapid reproduction method of lithocarpus craibianus Barn. The method comprises the steps of scion collection, grafting time selection, grafting and management after grafting. A quercus variabilis BI container seedling is selected to serve as a rootstock, semi-lignified and lignified branches which are healthy, strong and free of diseases and insect pests are pruned from a lithocarpus craibianus Barn. seed tree to serve as scions, grafting is conducted through a cleft grafting method, management after grafting is conducted, and lithocarpus craibianus Barn. grafted seedlings obtained in spring of the next year can be moved out of a nursery for afforestation. The asexual rapid reproduction method of the lithocarpus craibianus Barn. is a breakthrough of an asexual reproduction technology of the lithocarpus craibianus Barn., quercus variabilis BI rootstock is utilized for grafting reproduction, a large number of quercus variabilis BI container seedling nursery stocks maintaining the good economic character of a female parent are rapidly reproduced, and roots of the nursery stocks are developed; according to seedlings of the lithocarpus craibianus Barn., by means of the advantage characteristic that the quercus variabilis BI rootstock has strong adaptive capacity to natural environments which are dry, barren and the like, rapid healing between the scions and the rootstock can be achieved, young sprouts can be obtained, the obtained young sprout grow rapidly, high-quality, efficient and rapid development of the lithocarpus craibianus Barn. is facilitated, and good economic benefit, social benefit and ecological benefit are achieved.

The invention discloses a walnut planting method in the technical field of walnut planting. The method comprises the steps that land is prepared, and a specially-made mixed fertilizer is spread when land preparation is conducted; walnut seeds are soaked with a potassium permanganate solution and then taken out for repeated washing; the walnut seeds are soaked with a sodium chloride solution; white vinegar and clear water are mixed for soaking according to the mass ratio of 2:5, and then soaking is conducted with an amylase solution; seeding is conducted; before seedlings are transplanted, roots of young seedlings of walnuts are soaked in a soak solution for 4 h to 6 h, and the young seedlings are taken out for airing and transplanting, wherein the soak solution is prepared from ammonium nitrate, monopotassium phosphate, polyacrylamide and citric acid by weight; after the young seedlings of the walnuts are transplanted, a farm manure is applied once in the middle of each month, and after the farm manure is applied for 8-10 days, a nutritional agent is dressed. According to the walnut planting method, in the walnut growth process, nutrient is adequate, robust growth of the walnuts is guaranteed, the function of nutrient absorbing of the walnuts is enhanced, the fruit bearing rate is increased, and the plumpness and oil content of the walnut kernels are improved.

The invention discloses a Lithocarpusamygdalifolius(Skan)Hayata-QuercusacutissimaCarruth container seedling grafting breeding method comprising the steps of scion acquisition, grafting time, grating, and post-grafting management; selecting QuercusacutissimaCarruth container nursery stock as stock; cutting strong semi lignifications-lignifying branches with no insect disease from Lithocarpusamygdalifolius(Skan)Hayata seed tree to serve as scion; using cut-grafting method for grafting; carrying out post-grafting management until next spring so as to obtain Lithocarpusamygdalifolius(Skan)Hayata grafted seedlings for afforestation. The method is a breakthrough in Lithocarpusamygdalifolius(Skan)Hayata asexual breeding technology; QuercusacutissimaCarruth stock is used for grafting breeding; QuercusacutissimaCarruth container nursery stocks with excellent female parent economic characters are fast and massively breed, and the stock is prosperous in root system; the QuercusacutissimaCarruth stock has strong adaptation capability for natural dry, wet and cold conditions, the Lithocarpusamygdalifolius(Skan)Hayata seedling can utilize the advantages, so the scion and stock can fast heal and germinate new shoots; the germinated new shoots can grow fast, thus promoting high quality, efficiency and fast development of the Lithocarpusamygdalifolius(Skan)Hayata, and providing better economic benefits, social benefits and ecology benefits.

The invention provides a rapid propagation method for virus-free seedlings of passion fruits and belongs to the field of agricultural planting. The rapid propagation method comprises the steps: firstly, collecting stem tip tissues of the passion fruits, and carrying out tissue culture in an aseptic environment to obtain virus-free seedlings; then, domesticating, transplanting and cultivating the virus-free seedlings to obtain first-generation virus-free seedlings; colleting stem segments of the first-generation virus-free seedlings, carrying out rapid propagation by using an aerosol cultivation bed, and carrying out reasonable management to rapidly obtain second-generation virus-free seedlings; and next, cultivating the second-generation virus-free seedlings in a farmland, then, picking branches of second-generation plants, cultivating the branches on the aerosol cultivation bed to form a finished product of commercial seedlings. The invention provides the rapid propagation method forthe virus-free seedlings of the passion fruits; and due to the combination of a plant tissue culture technology and a plant non-test-tube rapid propagation technology in the method, the virus-free passion fruit seedlings in the true sense are cultivated, meanwhile, the seedling culture efficiency is increased, the quality of seedlings is improved, and the propagation industrialization of the passion fruit seedlings is promoted.

The invention discloses a propagation method of lithocarpus calophyllus grafted quercus acutissima carruth container seedlings. The method comprises the steps of scion collecting, grafting time, grafting and management after grafting; quercus acutissima carruth container seedlings are selected to serve as rootstock, semi-lignified to lignified branches which are robust and free of diseases and insect pests are pruned from a lithocarpus calophyllus seed tree to serve as scions, grafting is conducted through a cut-grafting method, management after grafting is conducted, the lithocarpus calophyllus grafted seedlings are obtained in spring next year, the seedlings can be moved out of a nursery for forestation. The propagation method is a breakthrough of the vegetative propagation technology of lithocarpus calophyllus, quercus acutissima carruth rootstock is utilized for conducting grafting propagation, the quercus acutissima carruth container seedlings maintaining good economic characters of a female parent are propagated massively and rapidly, and the roots of the seedlings are developed; lithocarpus calophyllus seedlings rely on the advantages of being high in adaptive capacity to drought, wet and cold natural environments of rootstock quercus acutissima carruth, the scions and the rootstock can be rapidly regrown and sprout young sprouts, the young sprouts grow rapidly, high-quality, efficient and rapid development of lithocarpus calophyllus is facilitated, and good economic benefit, social benefit and ecological benefit are achieved.

The invention discloses a multielement compound fertilizer for preventing and treating anthracnose of leontopodium smithianum and a preparation method thereof. The multielement compound fertilizer for preventing and treating anthracnose of leontopodium smithianum is prepared from the following raw materials in parts by weight: 8-12 parts of potassium sulfate, 0.2-1.0 part of manganese sulfate, 1-3 parts of ferrous sulfate, 5-10 parts of bentonite and 15-20 parts of pig manure. Compared with a common compound fertilizer, the multielement compound fertilizer provided by the invention is obvious in quality improvement, and capable of reducing the incidence of plant diseases and insect pests and increasing the organic matters of soil; the preparation method is easy to control and low in cost, and has the characteristics of easy implementation and good implementation effect; therefore, a firm foundation is laid for popularization of the multielement compound fertilizer to gardens.

The present invention discloses a method for breaking thalictrum aquilegifolium seed dormancy. The method mainly comprises seed selecting, seed soaking treatment, soaking with a plant leaching solution, and stacked volume treatment. According to the present invention, the soaking, the stacked volume treatment and other technologies for breaking seed dormancy are comprehensively utilized so as to substantially shorten the thalictrum aquilegifolium seed germination time, and the thalictrum aquilegifolium seed obtained in the present invention has the following characteristics that: the tree seedling root system is developed, the growth is good, the speed is fast, and the survival rate.

The invention discloses a method for improving the seed breeding survival rate of polemonium caeruleum. The method mainly comprises steps of collecting seeds and preprocessing the seeds. A growth regulator and a technology for breaking seed dormancy by reasonably utilizing illumination and the like are comprehensively utilized, and particularly after the seeds are soaked in a solution containing climbing groundsel herb extract liquid, the growth regulator and salicylic acid, the germination survival rate of the seeds of the polemonium caeruleum is greatly improved; seedlings from the seeds of the polemonium caeruleum have developed root systems, grow well and quickly, and are high in survival rate.

The invention discloses a rapid asexual reproduction method for Lithocarpus elmerrillii. The rapid asexual reproduction method comprises the working procedures of scion collecting, grafting time management, grafting and management after grafting, and comprises the following steps: selecting Quercus variabilis Bl container seedlings as rootstocks; shearing robust semi-lignified or lignified branches without diseases or insect pests as scions from a seed tree of the Lithocarpus elmerrillii; grafting by using a cleft grafting method; and managing after grafting, wherein the Lithocarpus elmerrillii grafted seedlings obtained in the spring of the next year can be transplanted from a garden and then planted in a forest. The rapid asexual reproduction method is a breakthrough of an asexual propagation technology for Lithocarpus elmerrillii, grafting and reproduction are implemented by the Quercus variabilis Bl rootstock, a large number of Quercus variabilis Bl container seedlings with excellent economic characters of a female parent can be quickly reproduced, and root systems of the seedlings are developed; and owing to the advantage of the Quercus variabilis Bl rootstock with relatively high adaptive capacity on natural environments such as drought and infertility, the scions of the Lithocarpus elmerrillii seedlings can be quickly healed with the rootstock and new shoots can germinate, the newly germinated shoots grow rapidly, high-quality, efficient and quick development of the Lithocarpus elmerrillii is promoted, and better economic benefit, social benefit and ecological benefit are obtained.

The invention discloses a LithocarpusoleaefoliusA.Camus-QuercusacutissimaCarruth container seedling grafting breeding method comprising the steps of scion acquisition, grafting time, grating, and post-grafting management; selecting QuercusacutissimaCarruth container nursery stock as stock; cutting strong semi lignifications-lignifying branches with no insect disease from LithocarpusoleaefoliusA.Camus seed tree to serve as scion; using cut-grafting method for grafting; carrying out post-grafting management until next spring so as to obtain LithocarpusoleaefoliusA.Camus grafted seedlings for afforestation. The method is a breakthrough in LithocarpusoleaefoliusA.Camus asexual breeding technology; QuercusacutissimaCarruth stock is used for grafting breeding; QuercusacutissimaCarruth container nursery stocks with excellent female parent economic characters are fast and massively breed, and the stock is prosperous in root system; the QuercusacutissimaCarruth stock has strong adaptation capability for natural dry, wet and cold conditions, the LithocarpusoleaefoliusA.Camus seedling can utilize the advantages, so the scion and stock can fast heal and germinate new shoots; the germinated new shoots can grow fast, thus promoting high quality, efficiency and fast development of the LithocarpusoleaefoliusA.Camus, and providing better economic benefits, social benefits and ecology benefits.

The invention discloses a reproduction method for grafting Quercus acutissima Carruth container seedlings on Lithocarpus elmerrillii. The reproduction method comprises the working procedures of scion collecting, grafting time management, grafting and management after grafting, and comprises the following steps: selecting Quercus acutissima Carruth container seedlings as rootstocks; shearing robust semi-lignified or lignified branches without diseases or insect pests as scions from a seed tree of the Lithocarpus elmerrillii; grafting by using a cut-grafting method; and managing after grafting, wherein the Lithocarpus elmerrillii grafted seedlings obtained in the spring of the next year can be transplanted from a garden and then planted in a forest. The reproduction method is a breakthrough of an asexual reproduction technology for the Lithocarpus elmerrillii, grafting and reproduction are implemented by the Quercus acutissima Carruth rootstock, a large number of Quercus acutissima Carruth container seedlings with excellent economic characters of a female parent can be quickly reproduced, and root systems of the seedlings are developed; and owing to the advantage of the Quercus acutissima Carruth rootstock with relatively high adaptive capacity on natural environments such as drought, wetness and coldness, the scions of the Lithocarpus elmerrillii seedlings can be quickly healed with the rootstock and new shoots can germinate, the newly germinated shoots grow rapidly, high-quality, efficient and quick development of the Lithocarpus elmerrillii is promoted, and better economic benefit, social benefit and ecological benefit are obtained.

The invention discloses a method for promoting germination of rhizoma polygonati seeds. The method comprises the following steps: collecting the seeds, disinfecting the seeds, preparing a seed soakingsolution, performing dehydrothermal treatment, and soaking the seeds. By the method, seed dormancy breaking technologies such as seed disinfection, dehydrothermal treatment, soaking in the seed soaking solution and growth regulation are comprehensively utilized, and obtained rhizoma polygonati seed seedlings have developed root systems and are good in growth vigor, high in growth speed and high in survival rate.

The invention provides a compound microbial agent preventing continuous cropping disease. The compound microbial agent is prepared from the following raw materials in parts by weight: 40-50 parts of amicrobe composition, 20-25 parts of tobacco residues, 10-15 parts of humic acid, 5-10 parts of plant ash, 3-6 parts of a boron-magnesium fertilizer and 1-3 parts of trace elements. The microbe composition is prepared by mixing Bacillus licheniformis, Beijerinckia indica, Bacillus thuringiensis, Paecilomyces lilacinus and Bacillus mucilaginosus according to a mass ratio of (3-4):(2-3):(2-3):(1-2):(1-2). The compound microbial agent is prepared by uniformly mixing the microbe composition, the tobacco residues, the humic acid, the plant ash, the boron-magnesium fertilizer and the trace elementsaccording to the ratio, adding water, uniformly mixing the mixture until the mixture contains water and water in the mixture does not drop when the mixture is tightly held in a hand, putting the mixedmicrobial agent into a greenhouse for fermentation at 37 DEG C for 3-5 days, turning over the mixture for 1-3 times every day, and stacking the mixture for 2-4 days for fermentation until the temperature is 40-45 DEG C to obtain a final product. The compound microbial agent has a good synergistic effect and an excellent continuous cropping disease prevention effect, and especially can solve the problems of frequent occurrence of disease and pests and pathogenic bacteria, reduction of quality and yields, lack of organic matters and trace elements and the like in the growth of crops.

The invention relates to a method for breaking the dormancy of kmeria septentrionalis seeds. The method mainly comprises the steps of seed selection, seed soaking treatment, magnetic field treatment and low-temperature stratification treatment. According to the invention, the technologies of soaking, low-temperature stratification treatment and the like for breaking the dormancy of seeds are utilized, so that the germination time of the kmeria septentrionalis seeds is greatly shortened, and the root systems of the kmeria septentrionalis seed seedlings obtained by the method are developed. In addition, the growth potential is good, the speed is high, and the survival rate is high.

The invention discloses a method for increasing seed germination rate of evening primrose. Technologies for breaking seed dormancy like radiation and soaking are comprehensively utilized. Seed seedlings of evening primrose obtained by utilizing the method are developed in root system, good in growing trend and high in speed, and seed germination rate and survival rate are increased.

The invention relates to a plug-seedling planting method. The method comprises following steps: loading plug discs, sowing and performing seedling management. The plug-seedling planting method has following beneficial effects: seedlings sprout neatly at the high survival rate so that nutrition quality and output of plants are enhanced; and due to a reasonably-used seedling substrate, the plant growth period is shortened and yield and quality are improved.

The invention discloses a multi-element compound fertilizer of leontopodium smithianum and a preparation method thereof. The multi-element compound fertilizer is prepared by the raw materials in parts by weight as follows: 8-12 parts of potassium sulfate, 0.2-1.0 part of manganese sulfate, 1-3 parts of ferrous sulfate, 5-10 parts of bentonite, 15-20 parts of pig manure and the like. Compared with common compound fertilizers, the multi-element compound fertilizer has the advantages that the quality is improved obviously, the pest and disease damage incidence rate is reduced, and organic matters of soil are improved; the preparation method has the characteristics of easiness in control and implementation, low cost and good implementation effect. Therefore, solid foundation is provided for garden promotion.