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62results about How to "Strong nitrogen fixation ability" patented technology

Compound photosynthetic bacteria preparation for enhancing phytoremediation for heavy metal pollution of soil and preparation method thereof

The invention provides a compound photosynthetic bacteria preparation for enhancing the phytoremediation for heavy metal pollution of soil and a preparation method thereof. The high concentration compound photosynthetic bacteria preparation of thiocapsa roseopersicina and rhodopseudomonas capsulata is adopted through the step that thiocapsa roseopersicina cultures in purple sulfur photosynthetic bacteria and rhodopseudomonas capsulate cultures in purple non-sulfur photosynthetic bacteria are subjected to such culture steps as seed activation, seed culture and anaerobic fermentor irradiation culture. The compound photosynthetic bacteria preparation is used for enhancing the phytoremediation for heavy metal pollution of soil, thiocapsa roseopersicina as sulfur-oxidizing bacteria can be used for oxidizing relatively stable sulfides with heavy metals, thereby promoting sulfur cycle of soil, reducing the PH value of soil and improving the activity of heavy metals; the thiocapsa roseopersicina and rhodopseudomonas capsulata as bacterial manure can promote the conversion of soil substances, improve the soil structure and soil fertility, promote plant growth and improve the biomass of plants enriched with heavy metals, thereby enhancing the efficiency of phytoremediation for heavy metals in soil.
Owner:北京聚益成广科技有限公司

Method for planting high-yield organic rice by rice-duck integrated farming

The invention discloses a method for planting high-yield organic rice by rice-duck integrated farming. The method comprises the steps of: planting astragalus sinicus in a rice field, carrying out green manuring and adding water for retting, and applying a base fertilizer in 10-25 days according to the amount of 800-1000 kg / mu; exposing the rice field to the sun, rotatably tilling the rice field, separating ridges and carrying out rice transplanting after irrigation; when the roots of the rice seedlings survive, applying a composite fertilizer according to the amount of 20-35 kg / mu; in 12-20 days after rice transplanting, putting in 10-15-day old ducks according to the amount of 5-10 ducks / mu; carrying out field draining in 10-15 days, and additionally applying the base fertilizer in A according to the amount of 100-300 kg / mu; then putting 7-10-day old ducks in the rice field when water is irrigated to 8-10 cm, wherein the inputting amount is 8-15 ducks / mu, taking the ducks back 10-15 days before the rice is mature, and drying the rice field after water-break. The method for planting high-yield organic rice by rice-duck integrated farming disclosed by the invention is high in yield, and the obtained rice is good in organic property, and meanwhile, high quality duck meat can be obtained, so that the economical benefit is improved.
Owner:ANHUI MUMAHU AGRI DEV GRP

Degraded soil improving method with stylosanthes guianensis as ecological forage

The invention discloses a degraded soil improving method with stylosanthes guianensis as ecological forage. The JinshaRiver dry-hot valley degraded soil is chosen to be treated with the method. According to the method, thoroughly decomposed farmyard manure and calcium superphosphate are applied during soil preparation, stylosanthes guianensis seedlings are transplanted in the rainy season, urea is further applied for one to two times when the stylosanthes guianensis seedlings germinate, timely drainage is guaranteed in the rainy season and the soil water content is limited below 15%, timely watering is guaranteed in the arid season and the soil water content is kept above 3%, 50% carbendazim wettable powder is used every year to prevent the occurrence of anthracnose, and 20% acetamiprid powder 3000 times liquid is used to kill aphids or armyworms in a spraying mode. According to the ecological characteristic of the Jinsha River dry-hot valley degraded soil, the method fully utilizes characteristics, such as drought-enduring, growing fast, cutting-enduring, strong nitrogen fixing capacity, strong adaptability and extensive management, of the stylosanthes guianensis, soil organic matter, the total nitrogen and available phosphorus content, and soil water contents in soil layers of 0-20 cm and 20-40 cm in the arid season are greatly improved.
Owner:RES INST OF TROPICAL ECO AGRI SCI YUNAN ACAD OF AGRI SCI

Ganoderma lucidum facility cultivation method

The invention relates to the technical field of medicinal plant cultivation, in particular to a Ganoderma lucidum facility cultivation method. The Ganoderma lucidum facility cultivation method includes: feeding water to lands in Ganoderma lucidum cultivation sheds after the Ganoderma lucidum is harvested, scattering lime nitrogen and/or slaked lime to watered lands, removing sun-shading systems ofthe sheds, retaining farm films, sealing the Ganoderma lucidum cultivation sheds to perform shed closing; performing deep ploughing on soil in the sheds after the sheds are closed for 7-21 days; performing chlorine dioxide neutralization and disinfection, opening the farm films, scattering seeds of Astragalus sinicus and/or ryegrass in the Ganoderma lucidum cultivation sheds after the soil is dry, and allowing the Astragalus sinicus and/or ryegrass to naturally grow; and performing arrangement on next Ganoderma lucidum cultivation after performing deep ploughing on the soil where the Astragalus sinicus and/or ryegrass is planted. The Ganoderma lucidum facility cultivation method can reconstruct a soil micro-ecosystem by performing watering, disinfection, deep ploughing, and plant fertilization on the Ganoderma lucidum cultivation sheds, and can effectively solve the problem of successive cropping obstacles of the Ganoderma lucidum.
Owner:ZHEJIANG SHOUXIANGU PHARMA CO LTD +1

Soybean slower-growing rhizobium with broad-spectrum nodulation characteristics, application thereof and composite rhizobium agent prepared from same

InactiveCN109735468AHas broad-spectrum nodulation propertiesGood matching affinityBacteriaFabaceae cultivationMicrobial agentKlebsiella oxytoca
The invention relates to a soybean slower-growing rhizobium with broad-spectrum nodulation characteristics, application thereof and a composite rhizobium agent prepared from the same, and belongs to the technical field of agricultural microorganisms. In order to solve the problems that the soybean nodule bacteria are low in nodulation rate and poor in nitrogen fixing effect, the invention providesa Japanese Bradyrhizobium japonicum HF25, the preservation number is CGMCC No.14857, the bacterial strain has high matching affinity, nodulation competitiveness and nodulation and nitrogen fixation capacity. The invention further provides the composite rhizobium agent which is prepared from Japanese Bradyrhizobium japonicum HF25 and Klebsiella oxytoca ASP-15, two kinds of bacteria are compounded,and the nodulation and nitrogen fixation capacity is significantly improved; the composite rhizobium agent is applied to soybean planting, compared with soybeans which are not applied with a microbial agent, the number of soybean nodules is increased by 170%, the number of pods per plant is increased by 37.3%, and the hundred-grain weight of soybeans is increased by 5.5%.
Owner:INST OF MICROBIOLOGY HEILONGJIANG ACADEMY OF SCI

Kosakonia radicincitans and application thereof

The invention relates to kosakonia radicincitans and an application thereof. The kosakonia radicincitans GXGL-4A is preserved in China General Microbiological Culture Collection Center on June 2, 2016 with registered preservation number of CGMCC No.12588, and the sequence of a 16S rRNA gene part is shown as SEQ ID NO.1. The nitrogen-fixing bacterium GXGL-4A provided by the invention has an excellent microbial nitrogen-fixing capacity; and in a non-nitrogen Ashby medium, a nitrogen-fixing enzyme activity is 232.94+/-8.82nmol of C2H4/(mL.h). In addition, the K.radicincitans GXGL-4A provided by the invention has a good ammonium-secreting capacity; and by cultivating the GXGL-4A on the non-nitrogen Ashby solid medium, the content of the detected extracellular ammonium nitrogen is 2.51 [mu]g/mL. The strain (the kosakonia radicincitans), which has a capsule, can resist bad external environmental conditions such as ultraviolet ray, drought and the like, and the strain has a significant effect of promoting the growth of such crops as corn, rice and the like. The strain can be used for preparing bacterial manure and can reduce the application amount of a nitrogen fertilizer, so as to achieve effects of increasing production, preventing eutrophication of a water body, protecting environment and the like.
Owner:SHANGHAI JIAO TONG UNIV

Ecological cultivation method for intercropping atractylodes macrocephala koidz and soybeans

The invention discloses an ecological cultivation method for intercropping atractylodes macrocephala koidz and soybeans, and belongs to the technical field of atractylodes macrocephala koidz cultivation. The cultivation method comprises the following steps of soil preparation and soil improvement, seed selection and disinfection, fertilization and bedding, soybean seedling raising, transplanting, field management and orderly harvesting. According to the ecological cultivation method, the atractylodis macrocephala koidz and the soybeans are intercropped, soybean root nodules have high nitrogen fixation capacity, and soil can be continuously fertilized in the growth process. The invention provides a method for infecting the root system of the atractylodes macrocephala koidz through exogenous (soybean, wild soybean and peanut) rhizobium for the first time. According to the method, the atractylodes macrocephala koidz obtains natural nitrogen fixation capacity, the input of nitrogen fertilizer is greatly reduced, and the requirement of the atractylodes macrocephala koidz for the nitrogen fertilizer can be met; in addition, soil conditioner, slow-release biological organic fertilizer and root nodule biological composite liquid are combined, so that soil-borne pathogenic bacteria in soil can be effectively killed, heavy metal in the soil is passivated, the activity of nitrogenase in the soil is improved, the planting cost is effectively reduced, and the purposes of safety, high quality and high yield of the atractylodes macrocephala koidz are achieved.
Owner:湖北省农业科学院中药材研究所

Special slow-release fertilizer for peanuts in saline-alkali soil

The invention discloses the technical field of saline-alkali soil improvement and high-efficiency fertilization, and specially relates to a special slow-release fertilizer for peanuts in saline-alkalisoil. The special slow-release fertilizer is prepared from the following components in parts by weight: 18 to 24 parts of urea, 8 to 12 parts of calcium dihydrogen phosphate, 9 to 15 parts of potassium sulfate, 6 to 9 parts of hydrated lime, 4 to 8 parts of boric acid, 20 to 24 parts of fulvic acid, 10 to 16 parts of green manure and 2 to 6 parts of biological bacterium powder. The green manure is mainly produced by fermentation of folium sesbaniae cannabinae and chicken manure, and has a long-lasting fertilizer effect, and the folium sesbaniae cannabinae and chicken manure can be combined toprovide more organic matter for the soil and effectively improve the soil structure of saline-alkali soil; the green manure can activate and absorb an insoluble phosphorus and potassium compound in the soil, and the folium sesbaniae cannabinae as a leguminous plant has strong nitrogen-fixing ability and can provide more balanced nutrients to the soil, thereby effectively increasing the yield of the peanuts. The special slow-release fertilizer for peanuts in saline-alkali soil provided by the invention has the advantages of effectively improving the saline-alkali soil while achieving high-efficiency fertilization of peanuts, and increasing the peanut planting area.
Owner:SHANDONG SHENGJING TOURISM DEV CO LTD

Preparation method of active ferment concentrated liquid fertilizer

The invention provides a preparation method of an active ferment concentrated liquid fertilizer. The preparation method of the active ferment concentrated liquid fertilizer belongs to the technical field of preparation methods of liquid fertilizers. The preparation method comprises the following steps of respectively adding water into 17-21kg of artemisia argyi and 49-61kg of soybean, and cooking thoroughly; mixing with 9-13kg of brown sugar, 49-61kg of ammonium sulfate, 24-31kg of zinc sulfate, 24-31kg of monopotassium phosphate, 24-31kg of magnesium sulfate, 24-31kg of boric acid, 14-21kg of ammonium molybdate and 19-26kg of compound enzyme, and adding water until the weight is 1,000kg; fermenting at normal temperature for 15-18 days; filtering a solid matter to obtain the liquid fertilizer. The liquid fertilizer prepared by the invention contains rich active protein, auxin and other matters, also contains boron, molybdenum, zinc, iron, magnesium, calcium and other microelements, has complex functions of strengthening rhizome, increasing flower and fruit bearing, expanding and coloring, improving yield, improving quality and the like, and has very strong immunity and control capacity on various plant diseases and insect pests.
Owner:黑龙江省达丰科技开发有限责任公司

Method for cultivating organic ecological grapes

The invention discloses a method for cultivating organic ecological grapes. The method includes the following steps that 1, a place with open terrain, abundant sunshine, good water sources and thick soil is selected as a planting area; 2, a shed suitable for grape growth is constructed; 3, grape seedlings are transplanted in a greenhouse in March and planted in ridges, a row of grape seedlings areplanted in each ridge, and the plant spacing is set as 0.6-1 meters; 4, Chinese trumpet creeper is sowed in soil for grape planting; 5, chickens, ducks and geese are raised in the greenhouse for grape planting; 6, the Chinese trumpet creeper serves as green manure of the grape planting area, has strong nitrogen fixation ability, and can fertilize the soil while providing non-polluting organic nitrogen for the grapes; the excrement of chickens, ducks and geese can also be used as an organic fertilizer to promote the growth of the grapes. The Chinese trumpet creeper is sowed in the greenhouse,chickens, ducks and geese are raised in the greenhouse, the grass control and fertilization effect can be achieved, the use of a chemical fertilizer is reduced, soil is protected, the environment is protected, and the pure natural and pollution-free grapes can be cultivated out.
Owner:镇江市彩林生态农业观光有限公司

Preparation method of compound biological fertilizer for soil controlling

The invention relates to the field of soil improving agents, in particular to a preparation method of a compound biological fertilizer for soil controlling. The preparation method has the advantages that the waste biomass is prepared into charcoal, the charcoal is modified, and the surface contains carboxyl and other function groups, so that the stronger ion exchange ability is realized, and the pollutants in soil can be adsorbed; the nitrogen fixing, phosphor decomposing and potassium decomposing strains are separated from the garden soil, the nitrogen-fixing bacteria are used for fixing nitrogen and excreting auxin, the phosphor decomposing and potassium decomposing bacteria are used for converting invalid potassium and invalid phosphor in the soil into quick-acting potassium and quick-acting phosphor, the multiple elements of silicon, manganese, zinc, molybdenum and the like in the soil can be released out, and the nutrition level is improved; the phosphor decomposing and potassiumdecomposing bacteria are used for producing gibberellin, cytokinin, indoleacetic acid and other matters in life activity, and the plant growth is promoted; by mixing organic and inorganic fertilizers,the effectivity of nutrients in the fertilizer is improved, and the soil quality is improved; by adding an adhesive, the mixed fertilizer is wrapped, the fertilizer with slow release effect is formed, the decomposing is easy, the fertility time is prolonged, and the utilization rate of the fertilizer is improved.
Owner:黄旭东

A kind of method of rice-duck co-planting high-yield organic rice

The invention discloses a method for planting high-yield organic rice by rice-duck integrated farming. The method comprises the steps of: planting astragalus sinicus in a rice field, carrying out green manuring and adding water for retting, and applying a base fertilizer in 10-25 days according to the amount of 800-1000 kg / mu; exposing the rice field to the sun, rotatably tilling the rice field, separating ridges and carrying out rice transplanting after irrigation; when the roots of the rice seedlings survive, applying a composite fertilizer according to the amount of 20-35 kg / mu; in 12-20 days after rice transplanting, putting in 10-15-day old ducks according to the amount of 5-10 ducks / mu; carrying out field draining in 10-15 days, and additionally applying the base fertilizer in A according to the amount of 100-300 kg / mu; then putting 7-10-day old ducks in the rice field when water is irrigated to 8-10 cm, wherein the inputting amount is 8-15 ducks / mu, taking the ducks back 10-15 days before the rice is mature, and drying the rice field after water-break. The method for planting high-yield organic rice by rice-duck integrated farming disclosed by the invention is high in yield, and the obtained rice is good in organic property, and meanwhile, high quality duck meat can be obtained, so that the economical benefit is improved.
Owner:ANHUI MUMAHU AGRI DEV GRP

Cultivation method for improving water-saving and drought-resistant ability of sweet potatoes in spring in Huang-Huai-Hai area

A cultivation method for improving the water-saving and drought-resistant ability of sweet potatoes in spring in the Huang-Huai-Hai area comprises the following steps: selecting a rareripe fresh-eating sweet potato variety with good quality, high commodity property and strong drought resistance and cold resistance; selecting a sandy land block; planting astragalus including seed preprocessing, seed dressing, sowing, field management, crushing and returning; planting sweet potatoes including adjustment of the planting time and the planting density of potato seedlings and the types and the application amount of fertilizers and disease and pest prevention and control, so that the eating quality and the commodity of the sweet potatoes are improved. According to the cultivation method, the adjustment is carried out from the aspects of variety, planting soil selection, soil moisture preservation, fertilization, planting, disease and pest prevention and control and the like, so that the soildryness is greatly reduced, the transplanting survival rate of sweet potato seedlings is remarkably improved, the soil organic matter content is increased, the yield of the sweet potatoes is increased, the appearance commodity of the sweet potatoes is greatly improved, and the size of the cultivated sweet potatoes is moderate and uniform; the cultivated sweet potatoes are bright in skin color, good in taste after cooking and high in commodity property, and the income of farmers is increased; the method has important economic benefits.
Owner:XUZHOU INST OF AGRI SCI IN JIANGSU XUHUAI DISTRICT (JIANGSU XUZHOU SWEETPOTATO CENT)

Ecological cultivation method for intercropping fritillaria hupehensis and viciafaba

The invention belongs to the technical field of medicinal material planting, and particularly relates to an ecological cultivation method for intercropping fritillaria hupehensis and viciafaba, which comprises the following steps: S1, land selection and preparation; S2, seed selection and disinfection; S3, fertilizing and bedding; S4, transplanting; S5, field management; S6, timely harvesting. According to the method, the fritillaria hupehensis and viciafaba are intercropped, on one hand, viciafaba can shade the fritillaria hupehensis after growing tall and growing up, the fritillaria hupehensis can well develop and grow, the biological diversity is improved, and diseases, pests and weeds can be effectively reduced. On the other hand, the complementary effect of crop space and resource utilization can be achieved, the light and heat utilization efficiency of the overground part can be improved, the water and nutrient utilization efficiency of the underground part can be improved, and the planted viciafaba can bring extra economic benefits. Meanwhile, root nodules of viciafaba have high nitrogen fixation capacity, natural nitrogen fertilizer and other nutrients are provided for fritillaria hupehensis, and therefore investment of chemical fertilizer and basic fertilizer is reduced, infectious diseases are reduced, and the labor cost is lowered.
Owner:湖北省农业科学院中药材研究所

Method for removing input cadmium in air and irrigation water in paddy fields

The invention discloses a method for removing input cadmium in air and irrigation water in paddy fields. The method particularly includes steps of 1), selecting natural biological crusts which are excellently developed and acquiring crust layers of surface layers by means of shoveling; 2), drying the acquired biological crusts in the shade, removing sundries, then smashing the biological crusts, and sufficiently stirring and uniformly mixing the biological crusts with one another to obtain biological crust seed sources; 3), proportionally mixing the prepared biological crust seed sources and fine soil with one another to obtain mixtures, uniformly spreading the mixtures to to-be-inoculated soil surfaces, then watering fields and keeping the field water-holding capacity of 70-80% unchanged;4), controlling appropriate conditions and promoting growth of biological crusts; 5), allowing crusts to naturally float up under the condition of sun illumination after the crusts are mature, draining water at the moment and allowing the crusts to flow out of the paddy fields along with water flow. The method has the advantages that the biological crust seed sources are artificially inoculated in the paddy fields, the biological crusts are cultivated and can quickly grow, the heavy metal cadmium can be absorbed, water flooding is kept in growth and mature later periods, and accordingly the crusts can naturally float up and can be shifted out of farmlands by means of fishing; the biological crusts formed by the aid of the method have obvious functions of absorbing and immobilizing the cadmium in the paddy fields.
Owner:HUNAN AGRICULTURAL UNIV
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