4075 results about "Alkali soil" patented technology

The invention discloses a fertilizing and conditioning agent for improving the saline alkali soil, and the fertilizing and conditioning agent includes an organic material, an inorganic material and a regulator for the plant growth, wherein, the weight proportion between the organic material and the inorganic material is 3:2 to 1:1. The organic material is fermented and maturated by one or a plurality of such organic matters as town living sludge, excrements of livestock and poultry, and furfural slag; and the inorganic material is formed by one or a plurality of such industrial waste and materials as desulfurized gypsum, phosphogypsum, and ammonium sulphate. Moreover, appropriate growth regulator for plant which is added according to the growing requirements can not only improve the saline alkali soil and fertilize the soil, but also can improve the plant growth and promote the plant to grow well as well as providing an effective path for promoting the recycling of the waste resources and reducing the secondary pollution to the town and the country.

The invention provides a high activity biological water retention alkali oil modifying agent, which is prepared through fully and evenly mixing vegetable stem powder, humic acid, water-loss reducer, carbamide, gypsum, high activity biological agent, sodium ion adsorbent and acid according to certain proportion, adding binding agent which is 0.3-1time of the whole weight of raw material, and granulating in pelleting machine. The high activity biological water retention alkaline earth modifying agent which is prepared by the invention can effectively improve soil aggregate structure, increases the water holding property of soil, can effectively dissociate and absorb metal ion, reduces the components of soil soluble salt, increases soil organic matter and nutrition, and has extremely significant soil modifying effect.

The invention relates to a restoration agent for saline-alkali land soil, which consists of free gypsum dehydration, nature organic substance, microbial fertilizer and inorganic nutrient with weight ratio of 60-70:25-35:1-4:3-6; the content of dihydrate calcium sulfate in the free gypsum dehydration is over 80 percent; the nature organic substance consists of weathered coal and grass carbon with weight ratio of 1.0:0.93; the content of effective bacteria in the microbial fertilizer is 2.0 hundred millions/g; and the inorganic nutrient consists of urea, ordinary superphosphate and potassium chloride with weight ratio of 1.0:2.42:075. The restoration agent can utilize calcium ions in the free gypsum dehydration for replacing sodium ions in the soil so as to lower the alkalinity in the soil and provide calcium and sulfur elements for crops, while the nature organic substance can lower and regulate the slat content and the alkalinity in the soil. In addition, the nature organic substance, the microbial fertilizer and the inorganic nutrient can supply large amount of nutrient elements such as nitrogen, phosphorus, potassium and the like to the crop for normal growth, thereby being capable of improving the yield of the crop.

The invention discloses a saline-alkali soil amendment, and relates to a soil amendment. The soil amendment of the invention solves the problem of the waste of land resources caused by a condition that saline-alkali soil is wasted and can not be used throughout the year because only artemisia anethifolia can grow in the saline-alkali soil at present, while other plants can not grow thereon. Besides, the existing saline-alkali soil amendment is mainly prepared from alum which has high cost and poor soil amendment effect. The saline-alkali soil amendment of the invention is prepared by weight percent from aluminum sulfate, ammonium ferrous sulfate and magnesium sulfate, which are mixed, and the weight ratio of the three materials is 1-1.8:1-2:0.2-0.5. The saline-alkali soil amendment of the invention can ensure that crop plants can be planted in the saline-alkali soil; thus, the saline-alkali soil, a wide land resource, can be made good use of. In addition, the saline-alkali soil amendment of the invention has the advantages of low cost and obvious effect of soil amendment.

The invention relates to a big seedling transplanting method for an inshore saline-alkali land. The method is characterized in that: the optimal time for transplanting big trees in inshore regions is spring. The method comprises the following steps of: selecting a region with soil salt content of over 0.3 percent, and paving a filter layer; installing blind pipes; backfilling original soil doped with 1/4 to 1/3 cow dung or straws; irrigating with great water to remove salt and reduce alkali, wherein the water quantity is 120 cubes per mu; cutting and trimming roots in a mode of 'cutting the main root and keeping capillary roots' in one year earlier; lifting and transporting; planting in a depth which is 10 to 15 centimeters higher than the original trunk planting earth surface line position; and performing daily management. The method has the advantages of effectively reducing underground water level, providing favorable conditions for reducing slat and improving alkali, providing an appropriate environment for the growth of plants, remarkably promoting the growth of roots of big seedlings, enhancing the growth vigor, achieving the seedling survival rate of over 90 percent and effectively solving the problem of low survival rate of the transplanted big seedlings in the saline-alkali regions.

The invention discloses a new-typed salted soil modifier composition and making method, which comprises the following parts: superphosphate, calcium sulfate, poromeric material, decomposed rough organics, phosphogypsum, rough stream and macromolecular (water retention) agent for alkali soil of littoral area.

The invention discloses a soil conditioner produced from ardealite as well as a producing method and a using method of the soil conditioner. The soil conditioner contains ardealite, humic acid, ferrous sulfate, urea and sulfuric acid which are mixed and shaped to granules. The soil conditioner is produced from ardealite which is the main raw material and added with a certain amount of nutrient elements and has the characteristics of conditioning the soil structure, adjusting pH of soil, activating the activity of nutrient elements of the soil, supplementing trace elements such as calcium, sulphur, ferrum and zinc in the soil, and the like; and the soil conditioner is suitable to conditioning of saline-alkali soil. The soil conditioner has the advantages of lowering the pH of surface soil, the content of water-soluble Na<+> and exchangeable Na<+> in the soil, the alkalisation degree and the volume weight of the soil, and enhancing the soil infiltration, the utilization rate of fertilizers and the soil productivity. A method for conditioning saline-alkali land, which is effective, economical, practical and consistent with the actual situations, is successfully proposed.

The invention discloses a soda saline-alkali land comprehensive treatment agent and a use method thereof, and belongs to the technical field of control agents for improving moderate and severe soda salinization. The comprehensive treatment agent consists of a modifier and an organic fertilizer, wherein, components of the modifier comprise humic acid, zeolite, a acid conditioner, fly ash and furfural residue; and the components of the organic fertilizer comprise fermented chicken manure, crushed straw and wood vinegar liquid. The comprehensive treatment agent is applied at 13-17t per 1 hectare of saline-alkali land before harrowing and transplanting. The action mechanism of the soda saline alkali land comprehensive treatment agent integrate physical and chemical functions of chemical salifying, complexing, neutralizing, ion exchange, adsorption, desorption, passivation, fixing, preventing salt accumulation, emulsion breaking and like; which increase CEC by times, desorbs and leaches base and basic group in soil, significantly decrease the pH value, greatly reduce soluble Na ions; and a formed anti-salt accumulation plow pan structure really takes effect of 'salt isolation' and 'alkali decrease', thus realizing rice harvest in the same year of construction and cultivation.

The invention relates to a saline-alkali soil improving agent and its preparation method. The preparation method comprises the following steps: mixing Rhodopseudomonas palustris, Pichia membranefaciens Hansen bacterium, lactobacillus casei, Staestomyces microflavus and seaweed slurry, organically combining a plurality of beneficial microorganisms and seaweed through multi-time fermentation, culturing in a compound mode to obtain a novel microorganism agent-seaweed bio-fungus. adding a proper amount of humic acid, organic matter, active zeolite powder and molasses, fermenting and drying the fermented product. The saline-alkali soil improving agent uses a plurality of microorganisms and employs strong effects of a unique ionic adsorbent, an organic neutralization balancing agent, an ion-exchange agent and a beneficial bacteria conversion starter to achieve the purposes of improving the soil environment, regulating acid-base balance, reducing the salt content, effectively raising the soil fertility and permeability, loosening the soil, eliminating the soil hardening, degrading the harmful substance and promoting the accumulation and conversion of the organic substance.

The invention relates to a comprehensive improving method for coastal saline soil. The method includes the steps as follows: 1) underground desalting; 2) improvement of soil physical structure; 3) salt leaching by a great quantity of water; 4) application of microorganism bacterial manure for soil improvement; and 5) plant arrangement and transplantation. The engineering patent technology of desalting using covered conduits, the technical measures for improving the soil physical structure and the improvement of microbial manure are firstly integrated by the comprehensive improving method so as to conduct sequential and comprehensive work. The comprehensive improving method is remarkable in the effect of soil improvement and has the advantages of effectively reducing the salt content in high saline-alkali soil in short time (within one growing season), preventing secondary alkalization, increasing soil fertility and establishing microorganism communities; beneficial microorganisms relieve the threat and the harm of salt and alkali to plants in the original saline soil, accelerate soil ripening and promote the greening progress of the original soil; and the survival rate of plants in the same year is up to above 95% and the water resource is saved.

The invention discloses a method for improving seriously saline-alkali land of an oasis area and planting a high-quality lawn, which relates to a soil improving method and the technical field of lawn planting. The method for improving seriously saline-alkali land of the oasis area and planting a high-quality lawn comprises 1 to 18 steps. The method disclosed by the invention has the advantages offast desalination, no salt accumulation in the surface soil, soil fertility improvement, water conservation, high salt absorbing efficiency of plants, and the like.

The invention discloses a special suspension liquid compound fertilizer for saline-alkali soil and a preparation method of the special suspension liquid compound fertilizer. The compound fertilizer comprises the following raw materials in parts by weight: 0.8-7.2 parts of a nitrogen fertilizer, 0.6-1.1 parts of a boric fertilizer, 0.5-0.8 part of EDTA-Zn, 0.5-0.8 part of EDTA-Mn, 2.0-5.0 parts of humic acid powder, 7.0-14.0 parts of a calcium fertilizer 8.0-16.0 parts of a phosphatic fertilizer, 5.0-9.0 parts of a potash fertilizer, 14.0-19.0 parts of an organic matter, 6.0-9.5 parts of a soil conditioner, 0.8-2.0 parts of a microbial agent, 2.0-4.0 parts of a wetting dispersant, 2.0-4.0 parts of an emulsifier, 1.0-3.0 parts of a thickener, 1.5-3.0 parts of an antifreezing agent and 23-30 parts of water. Through reasonable compounding of various nutritional ingredients, especially an efficient synergistic effect among the humic acid, the soil conditioner and the microbial agent, the physical and chemical properties of the soil are well adjusted, re-accumulation of saline matters is avoided, and nutrient elements required for growth and development are provided for crops, thus better growth of roots of the crop is facilitated, the yield and the quality of the crop are improved, and meanwhile, the element deficiency of the crop can be effectively prevented.

The invention discloses a special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and a preparation method thereof. The special improvement fertilizer comprises the following components in parts by weight: 40-80 parts of flue gas desulfurization gypsum, 1-3 parts of citric acid, 0.5-1.5 parts of magnesium sulfate, 1-5 parts of aluminum sulfate, 1-5 parts of ferrous sulfate, 10-30 parts of weathered coal, 10-20 parts of cattle manure or chicken manure, 1-5 parts of urea, 0.5-2.5 parts of ammonium sulfate, 1-3 parts of potassium sulfate, 1-3 parts of monoammonium phosphate, 0.1-0.5 part of zinc sulfate, 0.1-0.5 part of manganese sulfate and 3-10 parts of bentonite. The fertilizer is reasonable in design, provides an effective solution for inland saline-alkali soil of China, and has higher practical value and wide market prospects.

The invention discloses a method for conducting afforestation on saline-alkali soil. The method includes the steps of firstly, digging deep planting pits in the saline-alkali soil; secondly, paving two layers of isolating curtains at the bottom of each planting pit and the inner wall of each planting pit respectively; thirdly, arranging filtering layers between each isolation layer and the bottom of each planting pit and between each isolating layer and the inner wall of each planting pit; fourthly, preparing mixed matrix, filling the matrix into the pits and tamping down the matrix; fifthly, planting seedlings; sixthly, conducting maintenance management. According to the method for conducting afforestation on the saline-alkali soil, the difficult problems of lowering the salt content, improving the soil and conducting afforestation on the saline-alkali soil are solved. Through the measures of discharging salt and blocking salt, the salt content in the distribution range of the plant root systems is lowered, the plant root systems are promoted to absorb nutrient and water and discharge salt in a unidirectional mode, and a soil environment which is beneficial to plant growth is created. According to the method for conducting afforestation on the saline-alkali soil, the survival rate and the preserving rate of the seedlings are improved, and the method is low in cost compared with a traditional method for improving the saline-alkali soil by merely paving the salt isolating layers, replacing soil and conducting afforestation, is suitable for the saline-alkali soil afforestation and the plant cover recovery project, and can also be used in the manual construction and the machine and human coordinated construction.

The invention relates to a saline-alkali soil fertilizer and a preparation method thereof. The saline-alkali soil fertilizer comprises decomposed coal, microorganisms, farmyard manure, straw, ardealite, ferrous sulfate, distillers' grains, a nitrogenous fertilizer, a phosphatic fertilizer and a potash fertilizer, wherein the microorganisms comprise nitrogen-fixing bacteria, phosphate solubilizing bacteria, potassium bacteria, fermentation bacteria and photosynthetic bacteria. The preparation method comprises the following steps: S1, mixing straw with farmyard manure, adding ferrous sulfate and the fermentation bacteria for fermentation; S2, adding ferrous sulfate, decomposed coal, microorganisms, ardealite and distillers' grains into the mixture in the S1, mixing and pelleting, so as to obtain fertilizer granules; 3, uniformly mixing and stirring the granules obtained in the S2 with the nitrogenous fertilizer, the phosphatic fertilizer and the potash fertilizer, so as to obtain the saline-alkali soil fertilizer. By adopting the fertilizer, the saline-alkali soil can be effectively reformed.

The invention relates to saline-alkali soil paddy rice special-purpose carbon-based organic fertilizer. The saline-alkali soil paddy rice special-purpose carbon-based organic fertilizer has a low cost and high fertilizer efficiency, is economic and environmentally friendly, improves a soil water binding capacity and permeability, and has functions of keeping fertility, slowly releasing fertilizer and reducing paddy rice salinization. The saline-alkali soil paddy rice special-purpose carbon-based organic fertilizer comprises biomass charcoal, chicken manure, pyroligneous liquor, fermented soybean meal and potassium humate. The biomass charcoal is prepared by thermal cracking charring of biomass raw materials under anoxic conditions. The saline-alkali soil paddy rice special-purpose carbon-based organic fertilizer can be used for paddy rice plantation, can improve a saline-alkali soil environment and can improve an organic paddy rice yield.

The invention discloses a controlled-salinity cultivation method for plating crop on moderate and medium and severe saline-alkali soil, comprising: before sowing, irrigating saline-alkali soil for pressing salt and making soil moisture with fresh water; applying base fertilizer based on the principal of organic fertilizer into the saline-alkali soil; meanwhile, applying compound fertilizer suitable for the saline-alkali soil as the assistant material; then, ploughing soil, and raking with a leveller to preserve soil moisture; furrowing and making a ridge; covering films and sowing on the high position of the ridge; carrying out close planting; and spraying growth regulator. The cultivation method has the advantages of strong adaptability and high crop output, can be used for improving the utilization ratio of the fertilizer, quickeing the soil fertility cultivation process and bringomg high agricultural use benefits.

The invention relates to the field of planting of vegetables, in particular to a method for growing pepper. The method comprises the following steps: firstly, seedling management, namely, seedling raising nutrient soil is used for cultivating pepper seedlings; and secondly, planting management, namely, cultivated pepper seedlings are planted and then the planted seedlings and pepper in different growth periods are sprayed and/or irrigated with pepper nutrient solution. With the pepper growing method provided by the invention, pepper can be prolific for a long time and particularly on saline-alkali soil in Pearl River delta area of Guangdong, red cluster pepper can be picked for three consecutive months, the yield can reach 2000 to 3000 kilograms per mu and can be increased by 30 to 50%, and meanwhile, the quality of pepper can be improved by a big margin, reaching export standards.

The invention discloses a preparing method of alkaline soil modifier, which comprises the following steps: dissolving polyacrylic acid in the water; adding inorganic acid, pyroligneous and plant hormone sequently; stirring to blend evenly. The modifier contains 5-25% polyacrylic acid, 10-50% inorganic acid, 1-5% pyroligneous, 0.01-2.0% plant hormone and water. The invention reduces soil pH value effectively, which is beneficial for plant growth.

The present invention relates to a method for improving saline-alkali soil. Said invention utilizes straws and stalks of crops and plant branch and leaf as base material, and adopts the following steps: soaking the base material in fungous solution, binding it into the column form, making the column-form base material be embedded into the soil vertically according to the network form, utilizing the dialysis produced by said network-shaped base material and soil to prevent the salt content in the underground water from dire4ctly rising to soil surface and concentrating to make soil be salinized. Besides, covering the soil surface with pulverized straws and stalks of crops and plant branch and leaf, making irrigation by using the invented irrigation liquor, ploughing to make soil be loosened so as to attain the goal for improving saline-alkali soil.

An effective conditioner-fertilizer of low and competitive cost particularly formulated for restoring or improving the cultivation properties and productivity of saline or alkaline soils, comprising: a) a chelating substance, for example sodium tripolyphosphate; b) a pH modifying or buffering substance, for example an inorganic acid; c) a surfactant, for example polyethylenglycols; and optionally, d) a plant nutrient substance, for example humic extracts which can advantageously derived from the pecan husk. The synergistic combination of polyphosphates, pH modifying and buffering substances and surfactants in the conditioner-fertilizer formulation significantly improves its effectiveness at a competitive cost. Other ingredients may also be added, for example, sodium lignosulphonate, calcium lignosulphonate and the like for modifying the physical structure of soils. The conditioner-fertilizer can be applied directly to the soil before plantation, mixed with the irrigation water or to the leaves during plant growth.

The invention discloses a special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer comprises the following components by weight: 89%-91% of straw organic fertilizer, 7%-9% of saline-alkali soil modified material, and 1%-3% of medium-micro element additive. The invention further discloses a preparation method for the special improved organic fertilizer for saline-alkali soil. The preparation method comprises the following steps: mixing and piling 89%-91% of the straw organic fertilizer, 7%-9% of the saline-alkali soil modified material, and 1%-3% of the medium-micro element additive by weight to be long strips; uniformly stirring the long strips by a turner, adding hydrolytic polymaleic anhydride organic aqueous solution, and regulating the pH of the solution to be 3-4 to obtain the special improved organic fertilizer for saline-alkali soil. The special improved organic fertilizer for saline-alkali soil can effectively improve soil hardening, increase micro elements and organic nutritional ingredients of humic acid in the saline-alkali soil and improve quality of humus, thereby improving soil fertility and achieving survival rate of planted seedling of more than 95%.

The invention discloses a method for planting crops in a saline and alkaline land. The method is characterized by comprising the steps as follows: 1), soil is loosened, so that a soil condition facilitating downward infiltration of water salt is formed; 2), salt elimination furrows are arranged, and soil of a raised field is washed with fresh water, so that the water salt flows into the salt elimination furrows and is discharged; 3), soil on the surfaces of the salt elimination furrows is eliminated, the usage amount of a gypsum modifying agent is determined by detecting the pH value of the soil, then turfy soil, a humic acid and a plant growth regulator are laid on the surface of the soil, and finally, alkaline resisting plants are planted in the salt elimination furrows, so that the soil environment is improved; 4), the soil of the raised field is fertilized, and then the fertilized soil is irrigated, so that a fertilizer is infiltrated into the soil, and absorption is facilitated; and 5), ridging is performed, and after the crops are planted, the surface of the raised field is covered with a plastic film. According to the method, soil agglomeration is prevented, agglomerations are dispersed when encountering water, soil gaps are prevented from being blocked, infiltration of the water salt is facilitated, the water salt is separated from the soil, reverse osmosis of the salt elimination furrows is prevented, and the planting effect can be improved.