250results about How to "Improve salt and alkali resistance" patented technology

The invention provides a method for preparing a composite water-retaining agent by adopting plant straws, belonging to the technical field of high-polymer materials. In the invention, the biodegradable plant straws with wide sources and low prices are used as raw materials, and graft copolymerization is carried out on the plant straws and acrylamide, clay, and the like to obtain the composite water-retaining agent with good comprehensive performance, therefore, the cost of the water-retaining agent is effectively reduced, and a new path for the application of the plant straws is sought. Meanwhile, since the composite water-retaining agent also has higher gel strength and saline alkali tolerance, the service performance of the water-retaining agent is further improved, and the service life thereof is prolonged.

The invention discloses a preparation for inhibiting soil nitrogen loss as well as a preparation method and an application thereof. The preparation is prepared from the following raw materials in percentage by mass: 1-40% of 2-chloro-6-trichloromethylpyridine, 0-5% of hydroquinone, 5-20% of accessory ingredient and 35-90% of solvent. The preparation disclosed by the invention can be evenly dispersed in an aqueous phase, and the preparation and a nitrogenous fertilizer are evenly applied into soil so as to effectively alleviate speed of urea to be hydrolyzed into ammonia under the urease action and also effectively inhibit the process of oxidizing NH<4+> into NO<3->; NO<2-> and NO<3-> leaching loss is reduced, and NOX and N2 can be further prevented from escaping because of denitrification; and the utilization rate of the nitrogen fertilizer is improved so as to improve the quality and the yield of the crops and lighten pollution to environment by the nitrogen fertilizer.

The invention relates to a granular saline-alkali soil conditioner. The conditioner is prepared from the following raw materials in parts by weight: 70-90 parts of phosphogypsum, 5-15 parts of humic acid and 5-15 parts of filler. The invention also relates to a production method of the saline-alkali soil conditioner. The production method comprises the following steps: preparing the filler, preparing a spray, palletizing, baking, sieving and the like. The granular saline-alkali soil conditioner disclosed by the invention plays a good saline-alkali soil improvement role by combined action of adjusting a plurality of aspects such as the soil pH level and ion components, enhancing the salt resistance ability of crops, activating nutrient elements in soil and the like. The product disclosed by the invention is granular, convenient to use, and convenient for mechanical fertilization. The production method of the product disclosed by the invention has the characteristics that production equipment is low in demands, and just conventional equipment needs to be adopted, special equipment does not need to be added, and the method is wide in raw material source, low in production cost, convenient to transport and fertilize, and the like.

The invention discloses a saline-alkali soil biological improved fertilizer based on high-sulfur gangue. The saline-alkali soil biological improved fertilizer is prepared from the following components in parts by weight: 50-60 parts of high-sulfur gangue microbial fermentation product, 20-30 parts of compost cow manure or chicken manure, 1-2 parts of citric acid, 1-2 parts of oxalic acid, 2-4 parts of urea, 2-4 parts of ammonium sulfate, 2-4 parts of monoammonium phosphate, 1-3 parts of potassium sulphate, 2-5 parts of ferrous sulfate, 1-2 parts of zinc sulfate, 1-2 parts of manganese sulfate and 1-10 parts of bentonite, wherein the high-sulfur gangue microbial fermentation product is a product obtained by performing activating treatment on the high-sulfur gangue by a compound microorganism bacterium solution composed of thiobacillus thiooxidans, bacillus subtilis, bacillus megatherium, bacillus mucilaginosus and enterococcus faecalis. The resource utilization of the high-sulfur gangue is realized, the improvement of the inland saline land can be promoted, the crop yield can be increased and the entironment can be improved.

The invention discloses a multi-element fertilizer special for saline-alkali soil. The multi-element fertilizer is prepared from the following raw materials according to set mass percents, and every 1000kg of the compound fertilizer special for the saline-alkali soil contains the following raw materials according to a mass ratio: 120kg of citric acid residues, 130kg of furfural residues, 120kg of fly ash, 300kg of seaweed residues, 300kg of silicate minerals, 20kg of a fertilizer compound and 10kg of a complex strain, wherein the citric acid residues comprise the following main ingredients in percentage by mass: 70% of CaSO4 and 20% of water; and the furfural residues comprise the following main ingredients in percentage by mass: 50% of organic matters and humic acid, 8% of nitrogen, phosphorus and potassium, and more than 14% of other minerals. The multi-element fertilizer can be used for reducing the salt content of the saline-alkali soil, improving the structure of a soil body and the living environment of crops, improving physical and chemical properties of the saline-alkali soil, increasing soil nutrients and enhancing the salt and alkali resistance of the crops, and has a good mutual promoting effect.

The invention relates to a weak alkaline solid water soluble fertilizer for improving acid soil and a preparation method thereof. The weak alkaline solid water soluble fertilizer is prepared from the following raw materials according to mass percent: 5 to 15% of mineral resource fulvic acid, 5 to 20% of biochemical fulvic acid, 2 to 6% of compound amino acid, 5 to 15% of sodium metasilicate, 40 to 60% of nitrogen containing alkaline fertilizer, 8 to 10% of monopotassium phosphate, 0.05 to 0.1% of zinc, 0.01 to 0.03% of copper, 0.05 to 0.1% of boron, 0.005 to 0.03% of molybdenum and 0.1 to 1.0% of fungicides. The invention further provides a preparation method of the solid water soluble fertilizer. The fertilizer integrally shows alkalinity or physiological alkalinity, iron and manganese elements which are toxic to crops in an acid soil environment are avoided during trace elements selection, various nutrients such as organic matter, inorganic salt, beneficial bacteria and the like are supplied, and additionally, alkaline factors are released, so that the fertilizer is suitable for facility vegetable soil with severe acidification.

The invention provides a castor ecological planting method in the seashore saline soil, which achieves the purpose of improving the physicochemical property of soil, increasing the soil nutrient level, improving the castor growth potential and saline-alkali tolerance and reducing the plant diseases and insect pets using the ecological cultivation technologies such as direct seeding ryegrass, magnetism treatment of seed, seed coating, seeding in nutritive cup by phosphate liberation bacteria, wide bean interplanting, improving medium or the like. An effective castor ecological cultivation model in the seashore saline soil is explored, which not only ensures the castor yield and quality, but also improves the saline soil environment, and is useful for pushing the development of the castor industrialization, regulating saline soil agricultural structure, increasing the income of farmers and ecologically restoring the ecosystem of the saline soil. The castor ecological planting method of the invention is of great significance for releasing the national energy shortage, improving ecological environment and facilitating agriculture benefit.

The invention relates to a saline-alkali soil fruit tree planting method. The saline-alkali soil fruit tree planting method includes steps of taking common annual branchless fruit saplings for on-ridge root-limiting secondary culturing on land with soil property approximate to that of an orchard to be built or with the salt and alkali content lower by 0-30% than that of the common land, and applying nutrient soil to control salt by mixing in a sapling growing zone; preparing fulvic acid and naphthylacetic acid soluble powder into slurry which is used for wrapping the saplings before planting; increasing nutrient using microbial nutrition fertilizer in a sapling stage and improving resistance; performing measures like salt leaching, pressing and accumulating to improve sapling salt-alkali resistance at any time by controlling water, greatly improving salt and alkali resistance of saplings by a series of salt and alkali training, lifting the saplings and planting in the orchard to be built, dipping the saplings in the fulvic acid and naphthylacetic slurry again and broadcasting super-fine calcium carbonate in sapling holes. Various measure effects are outstanding, the survival rate of the saplings is remarkably increased in the salt and alkali area, the orchard is even, and the high yield can be realized in the second to third year and the quality is high.

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

The invention provides a plant growth-promoting bacterium, a biological agent containing the plant growth-promoting bacterium and a method for preparing the bacterium and the biological agent. The biological agent contains a composite carrier material and a bacterial liquid, wherein the composite carrier material comprises an organic matter, humic acid, a decomposed organic matter, a complex displacer and an embedding material; the bacterial liquid is a solution which contains the plant growth-promoting bacterium and comprises UW3 and UW4 with a proportion of bacteria number being 1-2:2-1; and the composite carrier material and the bacterial liquid lead the bacteria number of the plant growth-promoting bacterium to reach at least 0.1 billion / per gram composite carrier material so as to obtain the biological agent. The biological agent used in agricultural production can promote plant growth, improve yield, and improve manurial effect and anti-adversity capability of the plant.

The invention belongs to the technical field of crop planting and cultivation in specific soil, and provides a planting method for quinoa in an inland soda saline-alkaline land to solve problems likelow seedling emergence rate, susceptibility to saline-alkaline stress in a seedling stage and field waterlogging for quinoa planting in a soda saline-alkaline land. The planting method comprises the following steps: with a desalting agent as a core, and by cooperation with agricultural process and chemical measures, constructing a drainage ditch; carrying out soil preparation in autumn; carrying out soil treatment before sowing in spring, and carrying out deep plowing and shallow rotary tillage; soaking seeds with the desalting agent before sowing; and spraying a biological agent in the seedling stage so as to protect seedlings. According to the invention, chemical improvement measures are adopted to neutralize salt and alkali, and irrigation is performed to wash salt, so the damage degreeof salt and alkali to the quinoa is reduced; fine tillage is performed for soil before sowing, and the depth of sowing is controlled, so germination of small-grained quinoa seeds is promoted; biological improvement measures are adopted for soaking and coating of quinoa seeds before sowing, and the biological agent is sprayed in the seedling stage, so the saline-alkali resistance of seeds and seedlings is improved, and the purpose of improving the seedling emergence rate and the seedling protection rate is achieved; and simple operation and significant effects are achieved. The planting methodprovided by the invention has a certain promotion action to planting popularization of the quinoa in the soda saline-alkali land.

The invention provides a yellow to red composite reactive dye, which mainly contains one or more components A shown in a structural formula (I), one or more components B shown in a structural formula (II), also can contain one or more components C shown in a structural formula (III) and / or one or more components D shown in a structural formula (IV). The yellow to red composite reactive dye of theinvention has the advantages of excellent lifting power, good compatibility, bright color, high fixation rate, high solubility, good salt and alkali tolerance, good color fastness and the like, and is an ideal selection for dye factories to reduce the cost and increase the one-off dyeing success rate.

The invention discloses a multi-use functional fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers, and the multi-use functional fertilizer can be used for solving the problems of short fertilizer effect, single fertilizer effect, single function and easiness in causing land hardening and desertification. The fertilizer is prepared by fermenting nitrogen phosphorus and potassium, Chinese herbal medicine ingredients, sophocarpidine, humic acid, medium trace elements, biological bacteria and polypeptides, wherein the medium trace elements are calcium, magnesium, sulfur and silicon as well as iron, boron, manganese and zinc, and have the same amount; the Chinese herbal medicine ingredients are platycodon grandiflorum, lycoris radiate, nerium indicum, equisetum arvense, equisetum ramosissimum, elderberries, ailanthuses, xanthium sibiricum and polygonatum sibiricum. According to the fertilizer, the phenomena of soil hardening, deterioration, dysbacteriosis and the like caused by multi-year application of chemical fertilizers can be reduced and the root nutrient adsorption, transportation, storage and conversion capability is facilitated; after the fertilizer is applied, the yield of vegetables and the like can be increased by 20%-30%, the yield of fruit trees can be increased by 10%-20%, and the yield of economic crops such as peanuts and cotton can be increased by 10%-15%.

The invention discloses a fertilizer special for saline-alkali soil corns and a preparation method thereof. The formula of the fertilizer comprises the following components in parts by weight: 23-25 parts of N, 11-13 parts of P2O5, 5-7 parts of K2O, 7-9 parts of humic acid, 3-5 parts of Zn, 1 part of a plant physiological regulator precursor L-tryptophan and 1 part of L-phenylalanine. The fertilizer disclosed by the invention has the following advantages: 1, the pH value of the saline-alkali soil can be effectively reduced, the soil structure can be improved, the accumulation of salts on the surface of the soil is alleviated, and the nutrient of the soil is activated; 2, the added plant physiological regulator precursor can promote the growth of root systems of the saline-alkali soil corns, improve the activity of the root systems of the corns, and play roles in promoting and strengthening roots; 3, the problem that the corns are deficient in phosphorus during the seedling stage can be effectively solved, the nitrogen supply of the corns in the later stage of growth is ensured, and the problems of denitrification, nutrient imbalance and the like in the later stage can be avoided; 4, the product has the components of a quick result nitrogen fertilizer and a slow-release nitrogen fertilizer, and the production cost of the product is lower than that of a common sustained or controlled release product on the market.

The invention relates to a low-temperature resistance cotton seed coating agent, which is composed of a bactericide, a plant-growth regulator, a film forming agent, an antifoaming agent and an warning color, and is characterized in that the cotton seed coating agent comprises the following components by mass percentage: 4.0%-4.2% of Seedvax, 4.0%-4.2% of thiram, 0.002%-0.01% of naphthyl acetic acid, 0.002%-0.01% of gibberellin, 0.2%-0.5% of polyvinyl alcohol, 0.3%-0.5% of carboxymethylcellulose sodium, 0.4%-0.5% of antifoaming agent, 1.5%-2.0% of warning color and the balance of water. The low-temperature resistance cotton seed coating agent has the effects of resisting low temperature, preventing disease in seedling stage, promoting the seed germination and rooting and promoting the seedling growth, and also has the advantages of high suspension rate, good film forming ability, even dressing, low shedding rate, low toxicity and convenient usage.

The invention relates to a biodegradable agricultural water retaining material and a preparation method thereof. The biodegradable agricultural water retaining material comprises the following components in percentage by weight: 10-30 percent of biodegradable resin, 10-30 percent of a water-absorbing monomer, 0.1-1 percent of a radical initiator, 20-60 percent of a renewable material, 10-15 percent of polyhydric alcohol and 5-10 percent of water. The preparation method comprises the following steps: uniformly mixing various components in a mixer, extruding the materials in a twin-screw extruder, naturally foaming strips, performing air-cooling cooling, and finally granulating through a granulator, and crushing and screening to obtain porous water retaining particles. The biodegradable agricultural water retaining agent can be biodegraded, does not influence the components of soil, and is high in saline-alkaline resistance; and moreover, the preparation method is simple, vacuum is not required, the production efficiency is high, and the cost is low.

The invention discloses a curing agent in ceramsite carrier concrete. A preparation method of the curing agent comprises the following steps that an acrylic acid solution, 2-acrylamide-2-methacrylic acid, initiators and crosslinking agents are uniformly mixed to prepare a reaction solution a; an etherificated sodium alginate solution, an acrylamide solution, initiators and crosslinking agents areuniformly mixed to prepare a reaction solution b; ceramsite is sequentially soaked in the reaction solution a and the reaction solution b, and is sequentially subjected to microwave treatment. Firstly, the ceramsite is used as a carrier; the polymerization of water absorption resin is performed inside and outside the ceramsite; meanwhile, a hole-inside hole-outside two-step method is used; the building of polymers with different water absorption rates inside and outside holes is realized; the prepared curing agent in the ceramsite carrier concrete can greatly improve the humidity inside the concrete; the early-period reduction and shrinkage effect of the concrete is obvious; meanwhile, the curing agent in the ceramsite carrier concrete has the advantages that the water absorption and waterrelease rate is slow; the use performance such as concrete strength is favorably guaranteed; important application and promotion values are realized.

The invention discloses a biological all-element fertilizer which is prepared from the following raw materials in parts by weight: 70-75 parts of soy bean pulp, 30-34 parts of urea, 30-34 parts of monoammonium phosphate, 10-12 parts of potassium chloride, 5-7 parts of fulvic acid, 2-3 parts of ferrous sulfate, 3-4 parts of zinc sulfate, 2-3 parts of manganese sulfate, 2-3 parts of sodium molybdate, 1-2 parts of sodium selenite, 1-2 parts of zinc oxide, 1-2 parts of sodium naphthaleneacetate, 1-2 parts of DA-6, 1-2 parts of radix euphorbiae ebractealatae powder, 3-4 parts of EM microbial inoculums, 4-6 parts of coating agents and a right amount of water. The biological all-element fertilizer disclosed by the invention is comprehensive in nutrition, can effectively increase the nutritional components contained in soil, can be used for regulating the equalization of nutrients contained in the soil, can effectively promote the growth of a plant and enhance the disease resistance of the plant, is regulable in fastness and slowness, equalized in fertilizer supply and lasting in fertilizer effect. According to the invention, the DA-6 plays roles of regulating growth, promoting rootage, sprouting and blooming, preventing flower drop and fruit drop, forming nonnuclear fruits, promoting precocity, increasing yield and the like and can enhance the drought resistant capacity, chill resistant capacity, disease resistant capacity, salt and alkali resistant capacity and dry hot wind resistant capacity of the plant; the added radix euphorbiae ebractealatae powder prevents the generation of the disease and pest injury of the plant; the fulvic acid can promote the growth of the plant, play an important role on drought resistance, enhance the stress resistant capacity of the plant and play roles of yield increase and quality improvement.

The invention relates to active dye composition in dark blue to black and a dye product. The dye composition comprises, in parts by weight, 45-95 parts of a component A, 5-55 parts of a component B and 0-40 parts of a component C, wherein the component A is selected from at least one compound represented by the formula (I), the component B is selected from at least one compound represented by the formula (II), and the component C is selected from at least one compound represented by the formula (III) and / or the formula (IV). The active dye product in dark blue to black comprises the dye composition. The dye product is good in deep dyeing property, excellent in improvement power, high in dye up-take, high in color fixation, good in compatibility and excellent in color fastness; during dyeing, the dye is small in use amount, easy to wash, clear in residual liquid, stable in salt and alkali resistance, excellent in metamerism, stable in dyeing property and applicable to different technologies of dip dyeing, pad dyeing, printing and the like.

The invention provides a plant growth-promoting bacterium and a biological formulation containing the same, as well as a method for preparing the strain and the biological formulation; the biological formulation contains a composite carrier material and bacteria liquid, the composite carrier material contains organic matters, humic acids, decomposed organic matters, a complexing replacement agent and an embedding material; the bacteria liquid is a solution containing the plant growth-promoting bacterium UW4, the composite carrier material is added with the bacteria liquid such that the number of the plant growth-promoting bacteria runs up to at least 0.1 billion / per gram of the composite carrier material so as to obtain the biological formulation; the biological formulation is used for agricultural production, which can promote the growth of the plants, rise the yield, improve fertilizer effect and enhance the adversity resistance of the plants.

The invention discloses a method for researching influence of polyamine on ilex verticillata chlorophyll fluorescence characteristic under salt stress. Through setting treatment, measurement on content and parameters and data analysis, the method is capable of scientifically and reasonably quantifying influence of salt stress on ilex verticillata chlorophyll content and fluorescence parameters, promoting the salt stress response mechanism of ilex verticillata, furthermore, researching influence of polyamine on growth of ilex verticillata, and indicating that exogenous polyamine can effectively alleviate the influence of salt stress on the chlorophyll fluorescence characteristic of ilex verticillata, thereby improving the photosynthesis, improving the saline-alkaline tolerance of ilex verticillata, achieving a certain theoretical guidance effect on promotion of ilex verticillata growth in a coastal region and providing certain theoretical basis for salt tolerance evaluation and salt resistance screening of ilex verticillata.

The invention discloses a method for cultivating grapes in greenhouses. The method for cultivating grapes in the greenhouses comprises the following steps: 1) selection of grape varieties and nursery stocks; 2) selection of greenhouse and heat insulation materials; 3) selection of cultivation method; 4) selection of cultivation frame; 5) selection of irrigation methods; 6) management of water and fertilizer; 7) management of planting and after planting; 8) prevention and control of diseases and insect pests; 9) overwintering management; 10) management of the second year of promoting early germination; 11) management of the second year of growth period; 12) and management of the third year and the years after: the same as the second year. The method for cultivating grapes in greenhouses has advantages that compared with the traditional cultivation method, the cultivation method provided by the invention enters the high-yield harvest period 2 years earlier and the early yield is increased by more than 60%; compared with the traditional cultivation methods, the product is on the market for 40- 50 days ahead of schedule; the quality of fruit is greatly improved; meanwhile, the effects of saving water, saving fertilizer and resisting salt and alkali can be realized; the early high yield and continuous high yield are achieved; the economic benefit is improved and increased by more than 2 times.

The invention relates to a preparation method of a special fertilizer for controlling soil insects for cherry trees. The preparation method comprises four steps of: preparing a raw fertilizer, preparing a nutrient fertilizer, preparing a pesticide effect fertilizer, and mixing the raw fertilizer, the nutrient fertilizer and the pesticide effect fertilizer to prepare the special fertilizer for controlling the soil insects for the cherry trees. The special fertilizer for the cherry trees, prepared by adopting the preparation method provided by the invention, is capable of remarkably increasing the yield of cherries; and the cherries are excellent in quality, bright in color, good in taste and long in nature preservation time, and the fertilizer has a remarkable effect of controlling various diseases caused by nutrient deficiency symptom due to accumulation in successive years for the cherries; and the consumption of the fertilizer is low, and thus the cost can be reduced, and soil is not hardened. The special fertilizer for the cheery trees, prepared by adopting the preparation method, has the effect of controlling the soil insects, is capable of effectively controlling insects such as scarabs and sympiezomias velatus, is durable in effect of controlling the soil insects by combining an insecticide composition with a slow release object, and ensures that the cherry trees are strong and muscular for a long time.

The invention discloses a special fertilizer for golf law and a preparation method thereof, and relates to the technical field of organic fertilizers for garden plantation. The special fertilizer is prepared from oil tea meal, rapeseed bran, garden waste, alga slag, fish meal and an EM inocula. The preparation process comprises: A, material preparation; B, primary crushing; C, mixing; D, piling and fermentation; E, first drying; F, secondary crushing; G, granulating; H, screening; I, secondary drying; and J, grading. The special fertilizer has the characteristics of being comprehensive in nutrition, fine in particle size, lasting in fertilizer efficiency, economical, practical, green, environment-friendly, insect resistant, antibacterial, salt and alkali resistant, applicable to golf lawns, and the like; and also the special fertilizer is applicable to lawns in gardens and greening regions as well as golf lawns in various regions.

The invention discloses a nutrient capable of improving the saline and alkaline resistance ability of a plant. The nutrient comprises the following raw materials in parts by weight: 5-10 parts of water-retaining agents, 0.02-0.04 parts of indolebutyric acid, 0.01-0.03 parts of gibberellin, 0.03-0.05 parts of polyaspartate, 20-30 parts of fully-decomposed crop straws, 30-40 parts of fully-decomposed kraal manure or pigsty manure, 0.06-0.15 parts of yeast, 1-10 parts of quick lime, 10-15 parts of ferrous sulfate, 0.6-3 parts of copper sulfate, 3-6 parts of manganese sulfate and 0.8-3 parts of monopotassium phosphate. The nutrient has the beneficial effect that the water-retaining agent, the indolebutyric acid, the gibberellin, the crop straws and an efficient compound fertilizer are fully mixed, so that the moisture utilization rate and the production efficiency are improved, the requirements of saline and alkaline resistance, high hygroscopicity and durability of the plant are satisfied, and the water-retaining effect of the nutrient is greatly improved.

The invention discloses a green increasing and growth promoting agent for a garden lawn and a preparation method thereof. The green increasing and growth promoting agent is prepared from the following raw materials in parts by weight: 16 to 25 parts of dopamine, 6 to 11 parts of ammonium sulfate, 7 to 11 parts of paclobutrazol, 3 to 5 parts of chitosan, 4 to 7 parts of allantoin, 2 to 6 parts of a chelate solution, 15 to 21 parts of plant distillate, 7 to 12 parts of ferric citrate, 6 to 12 parts of potassium dihydrogen phosphate, 1 to 4 parts of a rooting reagent, 3 to 8 parts of triacontanol, 1 to 7 parts of a microorganism bacterium agent, 2 to 8 parts of ammonium nitrate and 2 to 8 parts of magnesium sulfate. The green increasing and growth promoting agent disclosed by the invention adopts a scientific and environment-friendly composition prescription; the lawn can be rapidly dyed to be green and nutrient components can also be provided for the lawn; rooting and sprouting of the lawn can be promoted and a growth condition of the lawn is improved; drought-resisting, disease-resisting and saline-alkaline-resisting capabilities of plants can also be enhanced; a foliage spraying technology is adopted, so that a lot of manpower and financial resources are saved, and furthermore, the cost performance is high and the economic benefits are relatively good.

The invention discloses a red reactive dye composition which is formed by mixing 40-60% of a compound shown in a structural formula (I) and 40-60% of a compound shown in a structural formula (II); 65-80% of the red reactive dye composition, 5-10% of a dispersing agent, 0.1-0.5% of a dust preventive, 5-15% of anhydrous sodium sulfate and 5-10% of a nonionic leveling agent are mixed to prepare a commercial dye. The commercial dye can be used for discharge printing, anti-dyeing printing or batik dyeing imitating printing of cellulosic fiber fabrics, and has the characteristics of being bright-colored and pure in colored light, high in brightness, high in white cloth staining and after tack fastness and excellent in other fastness properties.

The invention discloses a method for planting alfalfa in saline-alkali soil. The method comprises the following steps: deep application of a base fertilizer, a sowing process, irrigation, field management, a clipping process and greenness returning management. According to the invention, the soil structure is improved and the salt content of soil is reduced through soil preparation and deep application of the humic acid organic fertilizer. At the same time, a low-salinity environment is created in the germination period of alfalfa seeds by utilizing a drip irrigation mode, so that the seed germination and the seedling growth are promoted. Winter water for irrigation penetrates through a cultivation layer, so that the icing caused by water accumulation on the ground is avoided, and topdressing is carried out with the combination of irrigation by greenness returning water. In addition, a saline-alkaline-resistant alfalfa variety is selected as a recommendation variety, and the planting success rate is further improved. According to the method provided by the invention, the organic matter content of soil is increased before the alfalfa is planted, the disadvantages to the alfalfa germination and seedling growth caused by increased the salinity of dry soil in spring are overcome through the utilization of the drip irrigation method, conditions are created for normal growth of the alfalfa in the later stage, and the technical support for the production of high-quality alfalfa and the development of animal husbandry in saline-alkali areas is provided.