1462 results about "Drought resistance" patented technology

The invention provides an organic/inorganic drought resisting compound fertilizer and a preparation method thereof. The preparation method comprises the following special steps of: at first, carrying out harmless treatment on raw materials of an organic fertilizer, such as livestock excrement, crop straws, kitchen garbage, fallen leaves, turf and peat, humic acid and the like, so as to obtain the organic fertilizer; then adding a macromolecule moisture retention material and an inorganic fertilizer at a certain ratio and uniformly stirring; and finally obtaining the organic/inorganic drought resisting compound fertilizer by extruding granulation. The organic/inorganic drought resisting compound fertilizer disclosed by the invention has functions of drought resistance and moisture retention, nutrient slow release and soil fertilization, so that the effects of increasing production and income of the crops are achieved. Furthermore, the organic/inorganic drought resisting compound fertilizer can effectively solve the environment pollution caused by the livestock excrement, straw burning and domestic garbage.

The invention discloses an organic matter decomposing inoculant, and a preparation method and application thereof. The organic matter decomposing inoculant comprises the following ingredients in part by weight: 10 to 20 parts of aspergillus niger microbial inoculum, 10 to 20 parts of lactobacillus plantarum microbial inoculum, 20 to 30 parts of saccharomyces cerevisiae microbial inoculum and 40 to 60 parts of bacillus subtilis microbial inoculum. The organic matter decomposing inoculant mainly comprises various microbial floras with mutual promotion and mutual synergy effects. The organic matter decomposing inoculant can decompose various organic matters quickly, can effectively kill germs, ova and weed seeds in the decomposed raw materials, can reduce diseases, weed and insect pests, andcan remove water and odor. The organic matter decomposing inoculant can stimulate growth and development of crops, can improve disease resistance, drought resistance and cold resistance, can increasesoil nutrients, can improve the soil structure, and can increase the utilization ratio of chemical fertilizer. The organic matter decomposing inoculant can be used directly and can also be used for producing commercial organic fertilizer, biological organic fertilizer, organic and inorganic complex fertilizer, biological organic and inorganic complex fertilizer and the like.

The invention relates to plant endogenous bacillus velezensis which is capable of preventing and treating plant diseases and insects and has functions of growth promotion and drought resistance, and application thereof. The preservation number of the Bacillus velezensis E6 provided by the invention in the China General Microbiological Culture Collection Center is CGMCC No. 9665. The strain is separated from a plant root, is rapid to grow, can be rapidly and greatly colonized at plant roots and has ecological niche advantages; the strain E6 not only has an efficient prevention and treatment function on plant soil-borne fungal diseases and is capable of promoting growth of plant root systems and improving drought resistance of plants, but also is capable of damaging formation of pathogenic bacterium bacterial biofilms, is free of drug resistance of bacteria, has relatively good advantages when being compared with other fungicides, is simple in nutrition requirement and low in productioncost, and has good application prospects.

The invention discloses a microbial organic fertilizer. The microbial organic fertilizer is prepared from the following raw materials in parts by weight: 10-15 of peanut oil residue, 25-30 of pig manure, 4-8 of kieselguhr, 1-2 of starch, 10-15 of diammonium hydrogen phosphate, 18-22 of potassium chloride, 1-2 of effective microorganisms (EM) microbial agent, 10-15 of rot pear, 15-20 of rot orange, 20-25 of mushroom residue, 10-12 of silkworm dropping, 2-4 of amino acid chelation liquid, 8-12 of overdue milk, 2-4 of fructus cnidii, 2-5 of dried tea residue, 2-4 of eucalyptus leaves and 1-2 of pumpkin vine. By the microbial organic fertilizer, disease resistance and drought resistance of crops can be effectively improved, and the harm to the soil is also correspondingly slowed down; the rot fruit syrup, the dried tea residue, the peanut oil residue and the like are airtightly fermented and used, so that the nutrient content of the microbial organic fertilizer is enriched, the cost is saved, and wastes are turned into wealth; and the nutrients of traditional Chinese medicines can play good function when the traditional Chinese medicines are soaked through vinegar, are easy to release and thus can be absorbed by crops.

The invention provides effective technology for extracting active ingredients of Entermorpha and a method for preparing an Entermorpha alga fertilizer. The method is characterized by comprising: taking the Entermorpha as a raw material, effectively extracting the active ingredients of the Entermorpha through technical processes such as pretreatment of raw materials, leaching, neutralization, concentration and combination, taking an extracting solution as a base fluid, combining the extracting solution with at least one composition of humic acid, urea, potassium dihydrogen phosphate, potassiumsulfate, monoammonium phosphate and microelement, and preparing the high-activity Entermorpha alga fertilizer. The Entermorpha alga fertilizer is rich in active substances of algae, not only can strengthen photosynthesis of crops, increase the yield of the crops and improve the product quality but also can strengthen the cold resistance, the drought resistance, the stress resistance and the disease resistance of the crops, promote earliness of the crops and increase the fertile flower percentage and the fertile fruit percentage, has lower production cost, good solubility and safe use, is friendly and harmless to human beings, domestic animals and the natural environment, and is a novel environment-friendly fertilizer suitable for modern agriculture.

The invention discloses a color drought-resistance water-retention sustained-release compound fertilizer and a method for producing the same, wherein the method comprises the followings steps of: measuring, crushing and uniformly mixing fertilizer raw materials, granulating by adopting an ammonia-acid method rotary drum granulating process, performing one-stage drying, semi-cooling and screening of grains, and sending the mixture to a coating machine; adopting a continuous melting rotary drum film-coating method coating process to perform compressed air atomization and uniform coating of color coating oil sprayed by a special nozzle; and adding a water-retaining agent and an anti-adhesive agent by a screw conveyor, and performing full stirring, cooling and packaging to obtain the finishedproducts. The color drought-resistance water-retention sustained-release compound fertilizer has the effects of drought resistance, water retention, nutrient preservation, soil condition improvement and environmental protection, and the appearance of the fertilizer has color marks; and when the fertilizer is applied to crops, the fertilizer has the advantages of increasing yield and incoming, along with simple production method, convenient operation, low cost and high benefits.

The invention relates to rice fertilizer capable of improving the resistance, quality and yield of rice. The rice fertilizer consists of the following raw materials in percentage by weight: 20.0 to 27.0 percent of urea, 7.0 to 20.0 percent of ammonium sulfate, 5.0 to 13.0 percent of monoammonium phosphate, 9.8 to 17.5 percent of potassium chloride, 10.0 to 18.5 percent of calcium superphosphate, 3.0 to 6.0 percent of calcium-magnesium phosphate, 2.0 to 8.0 percent of soluble silicon, 0.1 to 0.9 percent of amino acid, 5.0 to 30.0 percent of humic acid, 0.5 to 6.0 percent of other trace elements (zinc, manganese, boron, ferrum, copper, molybdenum, selenium and the like), 0.2 to 0.5 percent of activating agent and less than or equal to 2.5 percent of water. The rice fertilizer has the advantages of comprehensively providing the nutrient required by growth of rice, improving the yield and the quality of rice, activating the nutrient of soil, enhancing the capacity of absorbing nutrient by crops, improving a soil structure, enhancing soil fertility, promoting development, and improving the resistance of the crops (disease resistance, pest resistance, drought resistance, flooding resistance, cold resistance, saline-alkaline resistance, lodging resistance and the like).

The invention provides a method for producing a seaweed fertilizer by processing Enteromorpha through microorganism fermentation method, which is characterized in that: fresh Enteromorpha is used as the material without being added with any chemical products, and treated by fermentation in large scale by preparing an Enteromorpha seed liquid, so as to dissolve out the effective components of Enteromorpha, thereby largely preserving the effective components with natural activity in the Enteromorpha, and then various Enteromorpha seaweed fertilizers are prepared by taking the fermentation liquid as a basic liquid. The method has simple extraction technique and low cost, and can process the Enteromorpha in large scale in a short time; the various Enteromorpha seaweed fertilizers produced by taking the fermentation liquid as the material can greatly increase the coldness resistance, drought resistance and stress resistance of crops, reduce plant diseases and insect pests, promote the growing of root system, make the soil to breathe freely and loosen, and greatly improve the crop output and quality, more importantly, the seaweed fertilizer does not produe any bad effect and pollution to crops, environments and human beings, which is a novel green environmental friendly fertilizer for modern agriculture.

The invention discloses a water holding slow-controlled releasing fertilizer and a preparation method thereof, belonging to the technical field of agricultural fertilizers and preparation thereof. Macromolecule coating fertilizer is taken as an inner core and a water holding layer is taken as an outside layer to form a double-coating water holding slow-controlled releasing fertilizer; an inner coating is macromolecule protective layer coating material with nutrition controlling and releasing property; an outside coating is the water holding layer with excellent water holding property. Water retention agent suspension liquid is sprayed to the surface of macromolecule coating fertilizer grains for outside coating; wherein the water retention agent is prepared by taking cyclohexane, emulsifier, acrylic acid, acrylamide, sodium hydroxide, cross linker and evocating agent and adopting the method of opposite phase suspension polymerization. The fertilizer has the function of controlled releasing, drought resistance, water saving, water holding and soil improving and the advantages of high absorption percentage, wear resistance, difficult falling and the like; utilization ratio of liquid manure is improved and the fertilizer can be widely used to desert control, lawn plant, soil improvement, gardening, agriculture and forestry and the like.

The present invention belongs to the field of pasture plant cultication technology, in the concrete, it relates to a cultivation method capable of raising drought resistance of Lucerne and protecting Lucerne from winter freezing injury. Said method includes the following steps: selecting cold resistant variety, setecting field, weeding and fertilizer application, ridge forming, ridge-seeding and field management.

The invention relates to a roof greening system and greening method. The roof greening system comprises a drain layer composed of a plastic water retention drain plate, a filtering water retention layer composed of a filtering water retention blanket made by waste and old cloth material, a plant layer composed of composite base material made by main materials of construction waste and a vegetable layer composed of the family crassulaceae. The novel roof greening system provided by the invention is reasonable in hierarchy, is proper in material selection and has the characteristics of drought resistance, light weight, environmental protection, heat preservation heat insulation and low cost. The invention uses a great amount of construction waste brickbat and household garbage waste and old cloth material, is beneficial to disposing over-growing urban solid waste and realizes recycling of resources.

The invention discloses functional granular major-element water soluble fertilizer. The fertilizer comprises, by weight, 345-350 parts of urea, 210-220 parts of potassium nitrate, 240-250 parts of monopotassium phosphate, 20-30 parts of potassium sulphate, 110-115 parts of monoammonium phosphate, 11-11.6 parts of boric acid, 6-6.6 parts of EDTA chelated zinc, 7-7.7 parts of EDTA chelated iron, 3-3.9 parts of EDTA chelated manganese, 0.1-0.2 part of ammonium heptamolybdate and 5-10 parts of polyglutamic acid. Compared with the prior art, the functional granular major-element water soluble fertilizer is scientific in formula, complete in nutrition, balanced and stabilized in nutrient, capable of moisture retention and drought resistance and high in utilization rate and has the functions such as improving and restoring soil.

The invention discloses an efficient feed breeding method for chicken lobsters. According to the method, a paddy field having the characteristics of sufficient water source, convenience in irrigation and drainage, high water retaining capacity, drought resistance on dry weather, flooding resistance, good ecological environment, freeness from surrounding pollution source, rich soil and natural substrate structure is selected, and ctenopharyngodon idellus, aristichthys nobilis fries, river snails and the like are put into the paddy field after juvenile chicken lobsters are stocked. As proved by comparison, by adding a compound microorganism fertilizer, rapid growth of chicken lobsters can be promoted, the content of EPA (Eicosapntemacnioc Acid) is increased, and diseases of chicken lobsters are reduced, chicken lobsters died due to diseases are reduced; and meanwhile, beneficial microorganisms in water bodies are increased, and the final quality is improved.

The invention provides a water retention type organic ferment viable bacteria granular fertilizer. The component raw materials according to weight percent are as follows: 5-15%A of ferment viable bacteria, 80-90% of organic fertilizer and 3-5% of water-retaining agent. The invention can quickly absorb and conserve irrigation water or rainwater to transform into solid water not flowing or seeping away, the solid water is blended with ferment viable bacteria to be a whole to promote the ferment viable bacteria to propagate more flourishingly and excessively, so that fertility is increased and local constant temperature can be remained for a long time; during drought, nutrients and moisture in the soil are released slowly, organic matter in the organic fertilizer can exert fertilizer functionmore effectively along with the propagation of the viable bacteria; the ablastin therein can better inhibit growth of diseases and pests, the organic fertilizer improves acidity and alkaline of the soil, enhances fertility of the soil, modifies soil structure, and has the characteristics of long-term water retention, nutrient preservation, fertility enhancement, drought resistance, disease and pest resistance and continuous cropping resistance.

The invention discloses an efficient multifunctional seaweed biological fertilizer and relates to the technical field of compound fertilizers. The raw materials include 10-80 parts of seaweed fermentation liquor, 5-30 parts of humic acid, 5-30 parts of urea, 5-20 parts of monoammonium phosphate, 5-20 parts of potassium sulfate and 2-10 parts of trace elements, and all the raw materials are mixed, concentrated and dried at low temperature to obtain the efficient multifunctional seaweed biological fertilizer. The efficient multifunctional seaweed biological fertilizer can quicken photosynthesis of crops, enhance disease resistance and drought resistance, improve crop yield and improve soil structure and soil water and nutrient retention capability, and is worth popularizing energetically.

The invention discloses a cultivation method of pear trees. The cultivation method of pear trees includes the first step of selection of a planting site; the second step of fertilizer application, wherein base fertilizer is the basis in combination with topdressing and leaf fertilizer; the third step of pruning, wherein the tree form of pear trees is of a trunk double-layer center opening shape or three-bough natural center opening shape; the fourth step of management of flowers and fruits, wherein the percentage of fertile fruits is improved, flowers and fruits are thinned, fruits are sleeved with bags, pests and diseases are controlled, and water drainage and drought resistance are taken into consideration; the fifth step of harvesting. According to the cultivation method of pear trees, the tree form of pear trees is of the trunk double-layer center opening shape or three-bough natural center opening shape, and artificial pollination is adopted in the flower and fruit management process, so that the percentage of fertile fruits and the effect of flower and fruit thinning are improved, newly planted young pear trees can early bear fruits, and the percentage of fertile fruits is improved, the farm manure is the main fertilizer and applied heavily and cleverly, and therefore the quality of fruits is improved, fruits are big, the yield is high, and economical benefits are good.

The invention discloses a tomato SlML1 gene and application, and belongs to the field of biological techniques. The cDNA sequence and the encoding amino acid sequence of the gene are as shown in SEQIDNO.1 and SEQIDNO.2. The transgenosis experiment shows that the gene not only has the functions of improving the quality and increasing the yield of tomatoes, but also has the properties of improving the drought resistance, the fungal disease resistance, bacterial disease resistance and TMV and insect resistance of tomatoes, and moreover the shelf life of tomatoes can be prolonged. Therefore, SlML1 can be used as a target gene introduction plant for improving the quality and the resistance and increasing the yield of plants and has good application prospect in breeding, quality improvement and resistance study on tomatoes.

The invention discloses an orchard underground hole irrigation method which belongs to underground irrigation. The orchard underground hole irrigation method is characterized in that 'fertilizer water holes' are buried in a root system distribution layer of a fruit tree, the 'fertilizer water hole' consists of four parts, namely an underlay plastic film (10), a water absorption and fertilizer storage material (9) mixed with a fertilizer, broken brick bats (8) wrapped by the water absorption and fertilizer storage material, an irrigation tube (3) inserted into the center of the broken brick bats. Each fruit tree is provided with 4-8 'fertilizer water holes', water is injected into the 'fertilizer water holes' by the irrigation tube (3) via a funnel and 10-20 L of water is filled into each hole. During fertilizing, the fertilizer water can be injected into the 'fertilizer water holes', thus the nutrient is directly transported to the root system centralized distribution area and fertilizer efficiency is improved. The method has the advantages of easily available materials, low production cost, water saving and drought resistance, not only can reduce evaporation from land surface and surface runoff, but also can prevent irrigation water from seeping to the deep soil layer; meanwhile the orchard underground hole irrigation method takes advantage of the 'hydrotaxis' and 'fertilizer anemotaxis' of the root system to confine the root system in or around the 'fertilizer water holes', thus improving the utilization rate of nutrient and water.

The invention discloses a plant resistance associated protein MYB as well as a coding gene and an application thereof. The protein provided in the invention is shown in (a) or (b) below, wherein (a) shows the protein consisting of the amino acid sequence shown in the sequence 1 of a sequence table, and (b) shows the plant resistance associated protein derived from the sequence 1 with the substitution and/or the deletion and/or the addition of one or more amino acid residues on the amino acid sequence of sequence 1. The introduction of the coding gene of the plant resistance associated proteinin the plant can enhance the disease resistance and the drought resistance of the plant. The protein and the cultivating method of the transgenic plant with the enhancement of the disease resistance and the drought resistance using the coding gene of the protein provided by the invention have important theoretical and practical significance, and can play an important role in the hereditary improvement of the plant.

The invention discloses an OsNCEDs gene relative to drought resistance originating from rice. Coded protein has one of the following amino acid sequences: 1). SEQ ID NO: 1, 3 or 5 in sequence list; 2). The amino acid residue sequence for the SEQ ID NO: 1, 3 or 5 in the sequence list pass through replacing, lacking or adding of one to ten amino acid residue and derived protein has the function of controlling drought resistance of plants. The experiment proves that: the gene conversion rice can obviously improve drought resistance of rice. The invention has the advantages of having an important theory and actual meaning upon research of drought resistance mechanism for plants and improving drought resistance and relative characteristics, playing an important role in drought resistance gene engineering improvement for plants (especially for rice crops) and having wide application prospect.

The invention discloses an ecological BB fertilizer, relating to a mutifunctional ecological environment friendly compound fertilizer, which is formed by mixing functional urea, controllable slow release sulfurcoated urea, monoammonium phosphate, diammonium phosphate, potassium sulfate particle (or potassium chloride), agricultural magnesium sulfate particle, ammonium sulfate, bio-organic inorganic compound fertilizer, endophytic PASP fertilizer synergist DA-6, plant growth regulator and trace elements. Special ecological BB fertilizer for different plants can be prepared by soil testing formula, according to different farm crops and different soil structure. The ecological BB fertilizer can take effect for 3-120 days, the nutrition release is balanced, biological stress of the farm crop such as drought resistance, cold resistance, salt resistance, or the like can be improved. The product of the invention has great operation significance for increasing yield of grain, reducing production cost, steadily increasing grain production, keeping rural incomes growing, improving utilization rate of the fertilizer, reducing fertilizer waste, protecting ecological environment, guaranteeing farm crop quality and safety, and ensuring sustainable development of the agriculture.

The invention discloses a plant growth regulator composite containing diethyl aminoethyl hexanoate and cycogan, which is characterized in that the plant growth regulator is liquid, powder or granula prepared by taking diethyl aminoethyl hexanoate (hexanoic acid 2-(diethylamino) ethyl ester) or salts thereof and the cycogan and adding with carriers or solvent, stabilizer and surfactant. The invention has the advantages of novel design, good effect in increasing yield for various crops and obviously-improved product quality, can effectively enhance stress resistance (such as lodging resistance, disease resistance, drought resistance, cold resistance, heat resistance, chemical injure resistance and the like), and has simple production technology, simple and convenient use and vast popularization and application prospect.

The invention belongs to a microbe compound fertilizer special for fruit tree, in particular to a composition and a preparation method of the compound fertilizer containing active microorganism (silicate bacterium) special for fruit tree. The fertilizer is characterized in that the compound fertilizer is compounded by four components, including osmotolerant active microorganism fertilizer with decomposed phosphor and kalium, nitrogen-phosphor-kalium fertilizer, natural humic acid organism and microelement. The active microorganism in the composition can improve root vigor of a fruit tree, adjust crop development characters, enhance anti-disease and anti-drought resistance, and improve fruit tree quality; furthermore, the organism is also functional in improving soil constitution, revitalizing soil nutrient, enhancing fertilizer use ratio and decreasing fertilizer dosage.

The invention discloses a preparation method and the products of a fulvic acid fertilizer, pertaining to the organic fertilizer field. The organic fertilizer adopts an alkaline pulping black liquid as material, and is made by cooling, biochemical treatment, evaporation and concentration, and guniting and granulation. The manufactured organic fertilizers have high fulvic acid content, apparent soil improvement and fertility functions, and comprehensive and uniform nutritional components of the organic fertilizer, and have dramatic effects on improving the quality of crops and yield capacity, long fertilizer effect time, strong late effect, no pollution, and the drought resistance, disease resistance and insect resistance can be enhanced after the organic fertilizer is used.

A method for rebuilding and maintaining vegetation ecosystem and pasture production system in semiarid wind sand area relates to the technical fields, such as agricultural water and soil conversation, prevention and control of desertification, pasture cultivation and ecological environment etc, wherein perennial pasture with properties of drought resistance, nitrogen fixing, cold resistance and saline alkali resistance is adopted to combine with a multifunctional ecological film compound fertilizer functioned to bond and fix sand, absorb dampness and infiltrate water, conserve water and soil, fertilize sand and nourish sprout, preserve heat and promote growth. The technical scheme is that: selecting in April or May in spring, on the basis of flat sandy land, after seed soaking, planting the perennial pasture plants, such as varied lobular clover, Astragalus adsurgens pall, sainfoin, vetch, Agropyron desertorum etc; then adopting a method of a spraying can or an agricultural tractor mating with a high pressure water pump; or burying a plastic pipe in the ground, one end of the plastic pipe being connected with a water pump of a large-scaled fertilizer film mixing tank and the other end thereof being connected with a spraying nozzle; spraying the multifunctional ecological film compound fertilizer by adding water in 50 to 60 times such that an ecological ground film with thickness about 2 mm is naturally formed on the surface of the earth; three processes of spraying water, applying fertilizer and laying film can be completed at the same time so as to synchronously build up an ecological vegetation and pasture production system.

A field management method of high-end kiwi fruit during a fruiting period relates to a cultivation management method which is applied after a kiwi fruit plant can fruit. By systematic treatment of the method comprising application of fertilizer prior to flowering, bud picking, pollination, fruit thinning, application of fruit expanding fertilizer, application of leaf surface fertilizer, pest control, bagging, core picking, drought resistance, drainage of stagnant water, base fertilizer application, winter pruning, winter orchard-clearing disinfection and the like, the kiwi fruit can fully and efficiently utilize light, temperature, water, air and fertilizer, the relations of branch and leaf growth and fruiting are adjusted in real time, distribution of plant nutrient is adjusted, the fruiting capability of the kiwi fruit can be brought into play as far as possible, single-fruit grain weight and the number of contained seeds are increased, pest and disease damage can be eliminated simultaneously, and the disease-resistant capability of plants is enhanced. Besides, the trophic structure of the soil can be adjusted, soil fertility is not reduced all the year round, high quality, high yield and stable yield of the kiwi fruit are achieved, and the age limit of fruiting is prolonged.

The invention discloses an ecological organic fertilizer for restoring soil balance. The fertilizer is an organic, inorganic, carbon-based and microbial integrated fertilizer capable of restoring ecological balance of soil, and increasing yield of crops. The fertilizer is prepared from the following components: 20%-32% of urea, 15%-25% of monoammonium phosphate, 15%-22% of a carbon-based fertilizer, 20%-30% of potassium chloride or potassium sulfate, 3%-5% of vegetable organic matters, 3%-8% of biological humic acid, 2%-5% of biological amino acid, 1%-3% of medium and trace nutrients and 1%-2% of beneficial biological bacterium. The physical characteristics of soil can be improved after the ecological organic fertilizer is continuously used; the ecological organic fertilizer especially has a good effect on soil adopting straw manure for many years, the surface area of the soil is increased, the soil structure is loose, lots of silk fossa-shaped structures are formed and the soil hardening is alleviated; a food chain of earthworm is restored by humus generated by combination of a lot of beneficial microorganisms and organic matters (including straws) in soil; and the ripping expert (earthworm) turns back to the farm, so that the ability of soil in regulating and controlling water is increased; and the drought resistance and the flood resistance of the crops are significantly improved.

The invention discloses an organic and inorganic compound fertilizer. By weight percentage content, the organic and inorganic compound fertilizer is prepared by rotten straws, rotten tobaccos, cake fertilizers, amino acid, potassium nitrate, potassium sulfate, ammonium dihydrogen phosphate, ammonium bicarbonate, urea, phosphatic fertilizers, ammonium molybdate, sodium borate or boracic acid, zinc sulfate and magnesium sulfate. The prepared organic and inorganic compound fertilizer contains components of organic matters, humus, amino acid, phosphorus pentoxide (P2O5), potassium oxide, nicotine, soluble total sugar and the like, and therefore the organic and inorganic compound fertilizer is led to have the advantages of promoting tobacco seedlings to survive, improving soil physical and chemical characteristics, improving nutrient balanced absorption ability, improving fertilizer use ratio, promoting tobacco plant root systems to grow, improving disease resistance and drought resistance of tobacco plants, improving tobacco leaf quality and the like. The raw materials of the organic and inorganic compound fertilizer adopt a large number of waste straws and tobacco waste materials, so that the waste straws and the tobacco waste materials are reused, and waste is changed to wealth. Therefore, the organic and inorganic compound fertilizer has remarkable economic benefit and social benefit.

The invention discloses a suspended liquid fertilizer for promoting plant root system growth and a preparation process thereof. The suspended liquid fertilizer is composed of fulvic acid, macroelement raw materials, medium-element raw materials, microelement raw materials, functional matter, a suspension auxiliary, a compound chelator, an antifoaming agent and a solution stabilizer. The preparation process comprises the following preparation steps that 1, water, potassium humate, nitrogenous fertilizer and potash fertilizer are stirred at a high speed to be prepared into a saturated mother solution; 2, water, phosphate fertilizer, the microelement raw materials, a dispersing agent, filler and a part of the antifoaming agent are stirred continuously and ground through an ultramicro grinder to form a solid-liquid mixture; 3, the saturated mother solution and the solid-liquid mixture are sufficiently mixed to be uniform in proportion in a high-speed disperser, a thickening agent, the remaining antifoaming agent and an antifreezing agent are added, and the suspended liquid fertilizer is prepared after emulsification is conducted through a high-speed emulsification pump. The suspended liquid fertilizer has the advantages that drought resistance, cold resistance and other stress resistance of crops are improved, development of crop root systems and formation of blossom buds can be promoted, and the yield and income are increased; the suspended liquid fertilizer is instantly soluble, uniform and suitable for automatic application; a suspended liquid system is good in uniformity.

The invention discloses three novel cotton ABF/AREB/ABI5/DPBF type transcription factors GhABF2, GhABF3 and GhABI5, and coding genes and application thereof. Amino acid sequences of the GhABF2, GhABF3 and GhABI5 are shown as SEQ ID NO: 2, 5 and 8 respectively. Nucleotide sequences of the coding genes GhABF2, GhABF3 and GhABI5 are shown as SEQ ID NO: 1, 4 and 7 respectively. The invention also discloses the structural characteristics on genomic deoxyribonucleic acid (DNA) and a ribonucleic acid (RNA) editing law of reading frame regions of the coding genes GhABF2, GhABF3 and GhABI5. The invention also discloses the cotton expression characteristics and yeast expression characteristics of the three genes and the characteristic that the three genes can improve the drought resistance of arabidopsis thaliana. The genes provide gene resources for culturing a plant variety resistant to abiotic stress, and have great significance for improving the abiotic stress resistance of plants.