87 results about "Soil ecology" patented technology

The invention relates to a bacterial preparation for degrading petroleum and restoring petroleum polluted soil ecology and a preparation method thereof. The bacterial preparation for degrading the petroleum and restoring the petroleum polluted soil ecology is a composite colony consisting of bacillus megaterium, pseudomonas fluorescens, streptococcus faecalis and candida tropicalis through optimized combination, wherein the matching ratio of the components is 1-2:1:1:0.5-1. The bacterial preparation has the advantage that the bacterial preparation can quickly form a micro-ecological advantage colony after the bacterial preparation is applied to the soil. If 2 to 5 percent of the bacterial preparation is added relative to the weight of surface soil (a cultivation layer of about 15 to 20 centimeters), the oil removal rate in three months is more than or equal to 75 percent (dichloromethane reflux extraction and gravimetric method), and the bacterial preparation has high effective colony number and strong adaptability and has remarkable effect of restoring the petroleum polluted soil ecological environment.

The invention discloses a method for improving soil organic matter through fungus cultivation. The method includes the steps of selecting species of fungi, preparing a base material, preparing compost, preparing a cultivation species suitable for field production, conducting field production and post-production treatment and the like. The compost is laid in a field and applies high-strength organic fertilizer to the field; after the compost is decomposed through mycelia, macromolecular substances are degraded into small molecular substances capable of being easily absorbed by crops, and therefore soil fertility is improved; fungus chaff left after production is rich in nutrient an is superior organic fertilizer; in the fungus field production process, fungi are irrigated, soil humidity can be kept, and the improvement of soil microbial flora and soil ecology is greatly helped. Compared with the prior art, the method has the advantages that load cultivation type fungus production is developed through an existing cultivated land, economic benefits can be achieved, the soil organic matter content can be improved, soil ecology is improved, soil fertility is increased, and soil restoration and crop fertilization can be achieved by developing the land cultivation type fungus production.

The present invention discloses Agrobacteriumsp. having free-living nitrogen fixing ability, wherein a classification name of the Agrobacteriumsp. is Agrobacteriumsp. Ymu6-2, the Agrobacteriumsp. is preserved in the China General Microbiological Culture Collection Center (CGMCC), and a preservation number is CGMCC No.5007. The Agrobacteriumsp. having free-living nitrogen fixing ability in the present invention has the following advantages that: high nitrogen fixing ability is provided; high concentration Cd growth can be resisted; indole-3-acetic acid can be secreted to produce iron atoms; with the prepared microbial agent, over-accumulated plant growth can be significantly promoted, biomass of over-accumulated plants can be increased, a heavy metal enrichment coefficient and a heavy metaltransfer coefficient of over-accumulated plants can be substantially increased, soil ecology environment can be improved, and advantages of environment-friendliness and low cost are provided.

The invention discloses a saline-alkaline soil amendment, relates to a soil fertilizer conditioner, and belongs to the soil fertilizer field. The saline-alkaline soil amendment is characterized in that raw materials comprise, by weight, 10-30% of beneficial microorganism, 5-30% of gypsum, 5-20% of charcoal, 10-20% of pyroligneous liquor, 10-20% of 732 type cation exchange adsorption resin (H+ type), and 10-40% of organic polymer. The beneficial effects of the saline-alkaline soil amendment are that: by employing the amendment, soil is improved, soil fertility is improved, crop growth is promoted, soil ecology balance is maintained, crop pollution is reduced, and an effective way is provided for soil sustainable utilization, the way is novel, safe, reliable and stable for soil-borne disease prevention, and the way plays an important role in achieving pollution-free sustainable development for green food, the amendment promotes the popularization and application of soil amendment technology, land salinization is reduced, and toxic effects of saline-alkali soil on seeds are alleviated.

The invention relates to a novel production method for wheat and corn crop rotation. According to the technical scheme, straws are harvested, cut up and thrown on the surface of a bed, fertilizers are spread on the surface of the bed, rotary tillage is performed on the surface of the bed, the straws and the fertilizers are evenly turned into the soil, corn seeds or wheat seeds are sowed in line, and conventional management is performed. The defects that an existing production method for wheat and corn crop rotation is complex in program, high in requirement, big in investment, strong in limitation and the like are overcome. An original ditch system for wheat (or corn) production serves as a production ditch system for the next crop of wheat (or corn) and is used generally for successive years, and therefore it can be effectively avoided that a soil tillage layer is excessively destroyed. Meanwhile, the straws of the wheat (or corn) are returned to the field completely and can promote yield increasing of the wheat or corn, the ditching process is omitted, the original soil ecology can be kept, damage to the soil structure by excessive tillage is reduced, the excessive water and soil loss of the soil is restrained, seizing of the farming season is facilitated, the production steps are reduced, and production cost is reduced.

An object of the invention is to provide a straw charring returning soil amendment and preparation method. Through straw charring and separation and extraction of phenol and ethanol in advance, a soil amendment composed of straw char, brown coal powder, and pyroligneous-liquor-adsorbing zeolite is made. The soil amendment can promote dispersed soil particles to agglomerate, so that granules are formed. The content and stability of water-stable granules in soil are improved, and the ventilation, water penetration, water retention and fertilizer conservation are improved. The soil amendment is made through a tubular destructive distillation reactor. Straw is fully returned, no air pollutant is produced, and the soil ecology forms a complete cycle. The method integrates separation and extraction, composition and carbonization into one body, is continuous in production, large in yield, and stable in product quality, and is suitable for massive production.

The invention relates to the field of soil ecology, in particular to a method for evaluating influences of global changes on agricultural soil animals on the basis of in-situ earth pillar displacement. The method aims to solve the problems that a sample plot treatment area and the sample plot external environment climate are inconsistent and air in the sample plot treatment area does not circulate in an existing method. The method comprises the first step of in-situ soil preparation, the second step of manufacturing of soil animal PVC isolation boxes, the third step of moving of in-situ earth pillars, the fourth step of plant cultivation or vegetation removal, the fifth step of soil temperature and humidity monitoring and the sixth step of sampling and analyzing. According to the method, in the moving process of the in-situ earth pillars, a plough layer and a plough pan are differentiated, it is guaranteed that the layer where the soil animals are most active is located at the same position all the time, communication of the soil animals is blocked through the soil animal PVC isolation boxes, and meanwhile the bottoms of the soil animal PVC isolation boxes are covered with gauze so that normal water and nutrient circulation of soil can be kept.

The invention discloses a biocontrol inoculant for controlling potato late blight, and belongs to the technical field of crop disease control. The biocontrol inoculant is fermented by streptomyceseuropaeiscabiei St19. A strain is registered and preserved in China General Microbiological Culture Collection Center (CGMCC) on March 24, 2014; and the preservation number is CGMCCNO.8962. The biocontrol inoculant can inhibit growth of potato phytophthora infestans, represents a better control effect on the potato late blight, can be used for root irrigation in a seedling stage or an adult-plant stage of a potato, or can be mixed with an organic fertilizer to prepare a microbial fertilizer. The St19 strain is obtained from potato rhizosphere soil, is harmonious and compatible with soil ecology, and is non-toxic and non-virulent, so that the strain has a larger application potential in biological control of the potato late blight.

The invention provides a mine soil ecology restoration method. The method comprises the following steps: S1, selecting microorganisms and plants according to soil information; S2, dividing an area tobe restored into a plurality of subareas, wherein the plurality of subareas are connected end to end; S3, planting different proportions of the microorganisms and plants in the plurality of subareas,wherein the planting proportion of the microorganisms increases first and then decreases, and the planting proportion of the plants decreases first and then increases; and S4, observing the restoration condition of the soil with the plurality of subareas, selecting the proportions of plants and microorganisms in the subarea with the highest restoration effect as the optimum proportions, and adjusting the proportions of microorganisms and plants in the remaining subareas to the optimum proportions. The mine soil ecology restoration method can improve the restoration effect of mine soil.

The present invention relates to the technical field of soil restoration and improvement devices, particularly to a device for restoring and improving soil ecology after soil-water disasters in YellowRiver midstream areas. The device for restoring and improving soil ecology after soil-water disasters in Yellow River midstream areas comprises a mounting plate, support plates are fixed at a bottomend of the mounting plate, a first rotating shaft is arranged between the right support plates, a second rotating shaft is arranged between the left support plates, rollers are fixed to two ends of the first rotating shaft and two ends of the second rotating shaft, a mixing assembly and a stirring assembly are fixed to a top end of the mounting plate, a plowing assembly and a ploughing assembly are arranged on two sides of a bottom end of the mounting plate, a containing plate is fixed to the bottom end of the mounting plate through connecting rods and provided with a fertilization assembly and a pesticide spraying assembly, and a driving assembly is arranged on a right side of the ploughing assembly. Herbicides and water can be effectively and fully mixed, a use effect of the herbicides is guaranteed, soil fertility can be supplemented in a targeted mode, the arranged driving assembly drives the whole device to move, the pesticide spraying assembly and the fertilization assembly are driven to work in a moving process, and waste of fertilizers and the herbicides is avoided.

The invention discloses a peanut growth regulator and a use method thereof. The growth regulator is prepared by blending pix and sodium bisulfite, wherein the proportion of the weight-volume concentration mg.L of the pix and the sodium bisulfite is 100-300 to 100-300. The use method for the peanut growth regulator is as follows: after peanut sprouts grow to first florescence of 6 to 7 leaves, spraying the peanut growth regulator to the leaves twice in interval of one week. As a result, the yield per unit is improved by more than 20 percent, and the growth regulator improves quality, full fruit rate, seed weight, protein and fat content remarkably. The blending agent has the advantages of low cost, convenient use and environmental protection, and is safe and nontoxic to soil ecology, people and animals.

The invention discloses a method for measuring interflow in forest soil, and belongs to the field of forest soil ecological study. The method is characterized in that the system utilizes the soil profile and consists of an interflow flow collecting groove, a flow guide pipe and an interflow collector, wherein the flow collecting groove is embedded into a soil body in different layers of the soil profile, the interflow is collected, and the interflow is guided into the collector for completing the collection of the interflow. The method has the advantages that the structure is compact, the system is reasonable, the method is simple, the realization is easy, a scientific and reasonable small-dimension measuring system is provided for the study of the forest soil hydrology process, the moisture and nutrient balance and moving and the like, and greater popularization and application values are realized in the fields of forest soil ecology, forest hydrology, water and soil conservation and the like.

The invention relates to an environment-friendly long-acting compound fertilizer and a preparation method thereof. The fertilizer belongs to compound and in particular relates to a long-acting compound fertilizer containing phosphogypsum and a preparation method thereof. The fertilizer is characterized by comprising the following raw materials according to parts by weight: 3-50 parts of phosphogypsum, 20-50 parts of long-acting nitrogenous fertilizer, 5-35 parts of phosphatic fertilizer, 5-40 parts of potassic fertilizer and 1-5 parts of trace element compound. The invention provides an environment-friendly long-acting compound fertilizer and a preparation method thereof, which can reduce greenhouse gas emission, lower amount of inorganic salt ions entering water, protect atmospheric environment, prevent soil from hardening, improving soil structure, optimizing soil ecology and greatly reducing agricultural production cost; in addition the fertilizer features comprehensive nutrition, prevention of diseases, slow release of nutrient components and high utilization ratio of fertilizer. Meanwhile, a new channel for utilizing waste residues by phosphoric acid discharge through wet process is developed so that the environment can be protected and resources can be saved. Therefore the fertilizer is suitable for various soils and crops.

The invention relates to the technical field of microorganisms and fermentation, in particular to bacillus amyloliquefaciens and application thereof to prevention and treatment of sugarcane red rot. The bacillus amyloliquefaciens TWC2 is preserved in China General Microbiological Culture Collection Center on 19th October, 2015, and the preservation number is CGMCC No.11515. The bacillus amyloliquefaciens TWC2 is separated out of tropical grass Taiwan grass leaves, and an environment-friendly, simple and effective way is provided for prevention and treatment of the sugarcane red rot. The bacillus amyloliquefaciens TWC2 is a strain with good biocontrol application prospects, and due to the fact that the strain is separated out of the surfaces of plants, the strain has natural harmonious compatibility with natural ecology. Compared with chemical pesticide, no toxic or side effect is caused to soil ecology, no residue exists, and therefore potential business development and application value is achieved in disease biological control practice.

The invention discloses a biocontrol actinomycetes strain for controlling pepper phytophthora blight, and application method of the strain, and belongs to the technical field of crop disease control. The biocontrol actinomycetes strain is streptomyceseuropaeiscabiei St19, and is registered and preserved in China General Microbiological Culture Collection Center (CGMCC) on March 24, 2014; and the preservation number is CGMCCNO.8962. The strain generates an active substance to inhibit growth of phytophthora capsici, and represents a better control effect on the pepper phytophthora blight. The strain can be applied to root irrigation in a seedling stage or an adult-plant stage of pepper. An inoculant can also be mixed with an organic fertilizer to prepare a microbial fertilizer. The strain St19 is obtained from pepper rhizosphere soil, is harmonious and compatible with soil ecology, and is non-toxic and non-virulent, so that the strain has a good application prospect in biological control of the pepper phytophthora blight.

The invention relates to the technical field of microbial soil remediation, and discloses a saline alkali soil microbial remediation microbial agent, which is prepared from the following raw materialsin parts by weight: 40 to 50 parts of edible fungus residue, 20 to 30 parts of humic acid powder, 6 to 10 parts of sulfur, and 10 to 20 parts of a composite microbial agent containing streptomyces jingyangensis, bacillus subtilis and bacillus mucilaginosus. According to the microbial soil remediation agent provided by the invention, various microbial living life activities and metabolites, organic matters and minerals are combined, so that the pH and salt content of soil are reduced, the granular structure and organic matter content of the soil are increased, the soil fertility is improved, and the soil ecology is recovered.

The invention discloses a method for co-treating soil and groundwater pollutants by utilizing soil organisms and a permeable reactive barrier. The method comprises the following steps: 1. determining the quantity of earthworms, and putting in; 2. breeding the earthworms; 3. mounting the permeable reaction barrier; and 4. recycling the earthworms. Compared with the prior art, the method has the advantages that on the basis of the prior art and according to the biochemistry and soil ecology principle, pollutants in the soil can be treated by adopting the soil organisms such as earthworms, and groundwater can be treated by synergistically adopting the improved permeable reactive barrier and a block soil organism culture area can be formed, so that the purposes of removing pollutants in the soil and groundwater and realizing the circular economy can be achieved.

The invention relates to a tomato canker integration control method comprising the following steps: 1, soil ecology treatment: a, applying woyiduo fertilizer in the following amount: 200-250ml of HYT-A, 250-350ml of HYT-B, and 100-120g of HYT-C in each mu, and applying the woyiduo fertilizer 2-4 times in the whole fertility stage; b, applying traditional Chinese medicine microscale fertilizer one month before maturation of the tomato, and the dosage is 20-25 g each mu; 2, agriculture control; 3, biotic control; 4, biological control; 5, physical control; 6, chemical control. The method uses ecology treatment, agriculture control, biotic control, biological control, physical control and chemical control to greatly reduce tomato canker incidence rate, is excellent in effect, thus improving tomato mu output and quality.

The invention relates to a method for enzymatic preparation of ammonium gluconate from potatoes. The method comprises the following steps: with potatoes as a raw material, carrying out enzymatic liquefaction and saccharification at first to obtain a potato saccharification solution; then with the saccharification solution as a raw material and ammonia water as a neutralizing agent, carrying out enzymatic conversion to obtain a crude ammonium gluconate product; and then subjecting the crude ammonium gluconate product to concentration and drying so as to obtain pure ammonium gluconate. As a mainfood crop, the acre yield of the potatoes is much higher than the acre yield of corn, so the source of the raw material is guaranteed, and cost is low; the potatoes are directly applied to production, the processes of raw material treatment and starch extraction are reduced, preparation process is simple, and raw material processing cost is greatly reduced; the prepared crude ammonium gluconate product is used for soil treatment, so a good carbon source and ammonium nitrogen are provided, other nutrients in the potatoes are brought in, and the proliferation of soil microorganisms and the improvement of soil ecology are benefited; and the prepared pure ammonium gluconate can be used as a component for a chelating agent, a disinfectant, an emulsifier, a skin-care product and the like.

The invention relates to the field of soil ecology, in particular to an automatic diagnosis device for soil pollution. The automatic diagnosis device comprises a big data control terminal, a vehicle body, a sampling mechanism, a sample soil processing mechanism and a transmission mechanism, wherein the big data control terminal comprises a control module, a data analysis module and a data storagemodule, a compartment is arranged at an upper end of the vehicle body, a sampling hole is formed in an upper end of the compartment, the sampling mechanism comprises a sampling assembly and a discharging assembly, the transmission mechanism comprises a first transmission assembly and a second transmission assembly, the second transmission assembly is arranged at a tail end of the first transmission assembly, an X-ray fluorescent spectrometer is arranged in the compartment, a controller and a GPS navigator are arranged on the compartment, and the X-ray fluorescent spectrometer and the GPS navigator both are electrically connected with the controller. The automatic diagnosis device has the beneficial effects that a sampling point is automatically analyzed by the big data control terminal, soil sampling and detection operation is automatically completed, and the soil pollution degree change is analyzed by the big data control end according to a detection result so as to determine a treatment mode.

The invention discloses a streptomyces griseus (streptomyces griseochromogenes) CCCQ171 and an application thereof. The preservation number of the streptomyces griseus CCCQ171 is CGMCC No.6227, and the streptomyces griseus is named a Jialing bacterium according to the producing area. The invention also discloses an application of the streptomyces griseus CCCQ171 in an agro-microbial agent and the agro-microbial agent thereof. The agro-microbial agent contains the streptomyces griseus CCCQ171, and is used for preventing and treating tobacco diseases or inducing the tobacco to generate resistance on the tobacco diseases. The streptomyces griseus CCCQ171 is separated from soil of a tobacco field, and has natural harmonious compatibility with natural ecology. Compared with a chemical pesticide, the agro-microbial agent is free of toxic and side effects on the soil ecology, and free of a residue. Therefore, the streptomyces griseus has potential business development and application value in a biological control practice of the diseases.