CN103113158B - Slow-release water retention agent/fertilizer composition - Google Patents
Slow-release water retention agent/fertilizer composition Download PDFInfo
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Abstract
The invention relates to a slow-release water retention agent/fertilizer composition which is prepared from the following raw materials in parts by weight: 1.5-2 parts of ethylene diamine tetraacetic acid (EDTA), 1.5-2 parts of citric acid, 2-5 parts of fulvic acid, 8-14 parts of humic acid, 4-11 parts of attapulgite clay, 15-17 parts of ferrous sulfate, 6-8 parts of copper sulfate, 5-7 parts of manganese sulfate, 10-12 parts of calcium carbonate, 9-11 parts of zinc sulfate, 13-15 parts of magnesium sulfate, 5-6 parts of borax, 2-3 parts of iodine ore powder and 2-3 parts of molybdenum ore powder. According to the invention, the EDTA and the citric acid are used as complexing agents to complex secondary elements of iron, copper, magnesium, manganese, calcium, zinc, boron, iodine and molybdenum, and the complexed secondary elements can be easily absorbed by crops, thus achieving the long-acting effect; the fertilizer efficiency of the slow-release water retention agent/fertilizer composition is superior to that of urea of the same weight; and the slow-release water retention agent/fertilizer composition provides necessary chemical nutrient elements for the growth of crops, has the functions of water absorption, water retention and drought resistance, and can greatly relieve soil drought and retain water.
Description
Technical field
The present invention relates to water-holding agent, particularly a kind of slowly-releasing water-holding agent Ru 2006101161 for the land for growing field crops farm crop of arid, semiarid and desert area plantation.
Background technology
In agriculture production except fertilizer be important influence factor and drop into, water is also one of factor very crucial in agriculture production.Have in the world large-area arid, semiarid and desert area, these areas are lack of water throughout the year, and rainwater major part ran off or evaporated rainy season, and irrigation water also, often because evaporation or infiltration etc. are former thereby loss, is not fully utilized.Solving arid, semiarid and desert area shortage of water resources and the low problem of utilization ratio, is the problem that industry personnel studies.
Solving at present long-acting, the efficient main path of fertilizer has conventional bag mould material, adds the methods such as one deck Precondensed UreaFormaldehyde Resin shell to nitrogenous fertilizer, to slow down release rate, makes it long-acting.What also have utilizes sustained release dosage, controls Soil Biochemical environment, reduces invertase activity, makes nitrogenous fertilizer have the function of long-acting and efficient utilization.
Existing water-holding agent product adopts absorbent polymer resin, is difficult for degraded, very large to ecological environmental pollution, and, containing nutritive ingredient, effect is not single.
Summary of the invention
The slowly-releasing water-holding agent Ru 2006101161 that the object of the present invention is to provide a kind of massive planting thing growing nutrient composition and water retaining function to be integrated.
Realize technical scheme of the present invention as follows: a kind of slowly-releasing water-holding agent Ru 2006101161, by the raw material of following portions by weight, made: 2～3 parts, 1.5～2 parts of ethylenediamine tetraacetic acid (EDTA)s (hereinafter referred to as EDTA), 1.5～2 parts of citric acids, 2～5 parts of xanthohumic acids, 8～14 parts of humic acidss, 4～11 parts of attapulgite clays, 15～17 parts, ferrous sulfate, 6～8 parts, copper sulfate, 5～7 parts of manganous sulfates, 10～12 parts, calcium carbonate, 9～11 parts, zinc sulfate, 13～15 parts, magnesium sulfate, 5～6 parts of boraxs, 2～3 parts of iodine breezes and molybdenum ore powder.
The step that the raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 comprises:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 8～10% the complexing aqueous solution, is heated to 60～70 ℃; Under 60～70 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～70 ℃, under agitation react 50～60 minutes, obtain pH3.5～3.6 complexing mixing solutions, add 0.95～1.05% sodium hydroxide of complexing mixing solutions quality that the pH of complexing mixing solutions is adjusted to 7.0～8.0; Through vacuum-drying 55～60 minutes, 60～70 ℃ of drying temperatures, obtained complexing dried material again; During in temperature≤35 of complexing dried material ℃, pulverized 80 mesh sieves, made the first powder;
B, by humic acids, xanthohumic acid and Attapulgite, add mixing kettle, after stirring and mixing for 30 minutes, pulverized 40 mesh sieves, make the second powder;
C, by the first powder and the second powder after mixing kettle stirs and mixes for 30 minutes, then pass through traditional compound fertilizer pelletizing technique, make slowly-releasing water-holding agent Ru 2006101161.
In step a, being chosen at 60～70 ℃ of temperature, is due to lower than 60 ℃, can not make material fully dissolve and mix; Higher than 70 ℃, waste energy.
Slowly-releasing water-holding agent Ru 2006101161 provided by the invention, outward appearance is that black gray expandable is Powdered, moisture≤6%, bulk specific gravity is 1.1～1.3g/cm
3, every mu of ground amount of application is 25 kilograms of left and right, application process is the same with common Chemical Mixed Fertilizer.
Use equivalent weight the present invention and urea, through land for growing field crops and plastic greenhouse simultaneous test: the farm crop of production increase production 10～25% with cash crop; The vegetables volume increase 30% of producing; The volume increase 20～25% such as apple, pears and the peach producing, and sugariness and colourity good.The present invention is applied in arid and semi-arid lands's afforestation, and trees surviving rate has improved more than 85%.
The present invention adopts the compositions such as the magnesia nonmetal mixed clay of iodine, humic acids, xanthohumic acid, trace element, carries out complexing, mixing, is dried, pulverizes and obtain, and trace element, through complexing technical finesse, is converted into complexing organic salt by inorganic salt, is easy to Crop.The key technical indexes of the present invention: total copper (Cu) >=1.5%, total calcium (Ca) >=4.0%, total magnesium (Mg) >=1.3%, total iron (Fe) >=3.0%, total zinc (Zn) >=2.0%, total manganese (Mn) >=1.5%, boron (B) >=0.5%, iodine breeze >=2.0%, molybdenum ore powder >=2.0%.
The present invention is comprehensive provide to plant growth must and the favourable chemotrophy element of plant growth; Coordinate nitrogenous fertilizer can play sustained-release dissolution effect, can make fertilizer effectiveness reach more than 120 days, than urea, reach 30 days; There is water-absorbing-retaining drought resisting function, can greatly alleviate soil damage caused by a drought, particularly significant at water-deficient area, northwest water-retaining effect.
The present invention can be used alone, and also can or use with urea, composite fertilizer, Chemical Mixed Fertilizer blending simultaneously.The present invention has Crop and synchronizes, absorbs water that multiple is high, degeneration-resistant, water retention property is good, nutritive element is complete and be rich in the functions such as biologically active substance, activating soil with slowly-releasing, has that drought resisting, water conservation, improvement soil, fertilizer conservation synergy, crop are kept a full stand of seedings, the feature of safety and effectivity.Be applicable to the cash crop such as land for growing field crops farm crop arid, semiarid and that desert area is planted, booth vegetable, fruit tree, medicinal material, flowers, and arid and semi-arid lands's afforestation, desertification control, protection forest, highway slope protection, lawn, gardening and greening lawn.
The present invention contains the magnesia nonmetal mixed clay of iodine etc., and saturated water adsorptive value improves 300～350%, is good anti drought and water reserving material; The function of further having brought into play provisions maintenance water conservation, has reduced farm crop fertilizer use cost.
The present invention has adopted EDTA and citric acid as complexing agent, iron, copper, magnesium, manganese, calcium, zinc, boron, iodine, molybdenum moderate-element are carried out to complexing, moderate-element through complexing is easily absorbed by farm crop, can reach long-acting, and fertilizer efficiency is better than the urea of same weight, for crop growth provides necessary chemotrophy element, there is water-absorbing-retaining drought resisting function, can greatly alleviate soil damage caused by a drought, water-retaining effect.
If Trace Elements in Soil is under-supply, crop just there will be different nutritional deficiency symptoms, and as output reduces, quality declines, and when serious, even No kernels or seeds are gathered, as in a year of scarcity.Facts have proved, use trace element fertilizer, is one of important channel of improving crop yield.According to bibliographical information, China's soil boron deficiency area reaches more than 40%, lacks zinc area and reaches more than 20%, and manganese deficiency, iron, copper are respectively 10%, 5%, 1%.Humic acids is after high reactivity is processed, humic acids content can reach 20% left and right, can impel crop root flourishing, strengthen the activity of making object endoenzyme, the utilization ratio of raising to fertilizer, can stimulate the spreading angle of Stoma of Leaves, play the cold-resistant waterlogging-resistant effect that waits of drought resisting, strengthen the anti-adversity ability of crop, improve pol and the colourity of fruit, improve crop quality, humic acids is as active group, can strengthen the crumb structure of soil, improve the ventilative water-retentivity of soil, increase volume weight of soils, play the effect of culture fertility, solve the continuous cropping problem of crop, can effectively suppress and reduce heavy metal, the objectionable impuritiess such as nitrate residual, reach the effect of environmental protection.
The present invention has the following advantages:
1, drought-resistant water-preserving, it can improve soil water-retaining capacity, increases soil moisture content, also has inhibition soil water evaporation, improves the functions such as saturated soil water content, thereby, improved the utilization ratio of water resources.
2, sustained-release synergistic, can reduce the leaching loss of leaching nutrient to a certain extent, significantly improves the utilization ratio of nitrogenous fertilizer, potash fertilizer, also can improve the utilization ratio of agricultural chemicals.In addition, the use of water-holding agent, has alleviated the pollution to environment of traditional agricultural chemicals and chemical fertilizer, is of value to environment purification.
3, insulation, water-holding agents etc. have shock absorption to the lifting of the soil moisture, have good soil moisturizing, can utilize the heat energy of the moisture maintenance daylight of absorption, and day and night temperature is reduced, and its impact on the soil temperature difference weakens along with the intensification of soil layer.
4, improve the crumb structure of soil, increase water-permeable and ventilation property effect, the activity of adjustable Soil Microorganism.
5, can single-dose application, all bring into play fertilizer efficiency whole breeding time, more conventional fertilizer reduces consumption, and joint is fertile, save labor force.
6, improve the yield and quality of crop.
Prescription reason of the present invention, coagulation efficiency and mechanism are as follows:
1, EDTA and citric acid
EDTA and citric acid belong to organic monoacid, are also good complexing agents, energy and ferrous sulfate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, calcium carbonate and borax complexing, the organic complex of generation metal ion.The compound complexed of inorganic salt can be become to organic acid salt complex compound, the metal ion in these organic complexs that generated by complexing, has and solublely in the characteristic of water, easily by farm crop, is absorbed, and can significantly improve fertilizer efficiency.And EDTA and citric acid can make attapulgite clay micropore surface have reaming effect, can greatly improve its surfaceness, nitrogenous fertilizer and trace element can be adsorbed in the micropore of attapulgite clay well, to reach nitrogen and the slow effect discharging of trace element in nitrogenous fertilizer.
2, xanthohumic acid and humic acids
Xanthohumic acid and humic acids are the aromatic hydroxy-carboxylics of the non-homogeneous of polymer, and outward appearance is brown black powdery, is slightly acidic, contain hydroxyl and phenolic hydroxyl group isoreactivity group.Use xanthohumic acid and humic acids can promote the formation of soil aggregate, water retention property and the fertilizer performance of raising soil, reduce the too high harm of aluminum ions murder by poisoning and salt concentration; Xanthohumic acid and humic acids itself contain certain available nitrogen, phosphorus, potassium and part trace element, and can impel phosphorus effectuation.Reduce phosphorus fixation, improve the utilization ratio of phosphate fertilizer; Xanthohumic acid and humic acids can be strengthened the activity of plurality of enzymes, strengthen the redox processes in plant, so can promote seed germination, root growth, improves root water uptake fertilizer sucting ability, increases and tillers or branch, premature ripening.
3, attapulgite clay
Attapulgite clay is a kind of silicate crystal mineral containing Shuifu County's magnesium, and it can effectively be improved soil and improve the utilization ratio of nitrogenous fertilizer.
Attapulgite clay is through overactivation and modification, nitrogenous fertilizer ionized nitrogen element is had to good slow releasing function, to utilize organic coupling agent to process attapulgite, coupling agent is with chemical bonds, making slowly-releasing water-holding agent composition of the present invention be chemisorbed on Attapulgite surface combines with attapulgite's surface in modes such as coverings, and form oligopolymer in attapulgite's surface, reach surface and improve the physics at interface and the object of chemical property.
4, moderate-element and trace element
Ferrous sulfate, zinc sulfate, copper sulfate, magnesium sulfate, manganous sulfate, calcium carbonate, borax, molybdenum ore powder and iodine breeze, for the necessary metal ion of plant-growth and nonmetal boron ion are provided in fertilizer, they are VITAMIN of plant, can effectively promote the absorption of farm crop centering, trace element, thereby improve the yield and quality of farm crop.
4.1 calcium energy stabilizing cell membranes, promote formation and the division of cell walls, alleviate the salt damage of plant, improve the resistivity of plant.The also signal transmission of involved in plant, regulatory enzyme activity and osmosis, delay senility, and improves fruit quality.
4.2 iron are to form the necessary element of chlorophyll, and respiration and metabolic process are played an important role.Mobility root in plant materials is little, can not be utilized once again.
4.3 bronze medals are to make multiple oxidasic moiety in object, and the respiration of involved in plant, affects the utilization of crop to iron, have the ability that improves chlorophyll stability, are conducive to blade and carry out better photosynthesis.
4.4 magnesium play an important role to photosynthesis, are the activators of plurality of enzymes, can promote that in plant materials, carbohydrate transforms and metabolism, promote the synthetic of fat and protein, can also promote the absorption of crop to silicon.Magnesium deficiency Soil application of magnesium fertilizer is fertile, can improve phosphate fertilizer effect.
4.5 manganese are composition and activators of plurality of enzymes, can promote the metabolism of carbohydrate and nitrogen, increase the validity of plant to phosphorus and calcium, have substantial connection with crop growth and output.During manganese deficiency, photosynthesis of plant is obviously suppressed.
4.6 zinc are moietys of some enzyme, are to promote some metabolic reactions, generate chlorophyll and form one of requisite element of carbohydrate.
4.7 boron can promote the running of growth hormone and the normal development of reproductive organ, and carbohydrate transport, protein synthesis and leguminous crop fixed nitrogen are played an important role.
4.8 iodine can increase the content of vegetables Free Amino Acids and the content of VITAMIN, contribute to the formation of plant chlorophyll to improve photosynthesis, promote the growth of crop, and can make oil crops oleaginousness significantly increase.
4.9 molybdenums are moietys of biological catalyst, significant to the nitrogen metabolism of crop, can urge nearly photosynthetic intensity and eliminate active aluminum in acid soil to accumulate in plant materials and the toxic action that produces.
Performance and the effect of slowly-releasing water-holding agent Ru 2006101161 of the present invention are:
1, fertilizer efficiency is lasting, can reach the object of increasing both production and income;
Slowly-releasing water-holding agent composition contains the necessary multiple Medium-microelements of plant-growth and multiple organic compound.Be a kind ofly both to have immediate effect, have again long-actingly, can meet the nutritional needs of farm crop, have again the biological compound special fertilizer of the effects such as water conservation, fertilizer conservation, slowly-releasing, improvement soil, bioactivation and biological control concurrently.Formula is novel unique, has the incomparable superiority of chemical fertilizer.
2, improve crop quality, reduce nitrate and heavy metal content.
This product is applied to the farmland of using all the year round chemical fertilizer, to eliminating soil compaction, recovers soil fertility texts especially good.Through field fertilizer efficiency simultaneous test for many years, prove, compare with same matrix chemical fertilizer, can make land for growing field crops make amount of increase in production 10%～25%; Vegetables, fruit volume increase 30%.Use this fertilizer, can obviously improve quality of agricultural product, various fruit can improve sugar degree 2～5 degree, improve fruit colour index, pericarp is thin, mouthfeel good, to the quality of vegetable effect that also improves significantly.Through romaine lettuce experiment nitrate content, detect, that use slowly-releasing water-holding agent Ru 2006101161 is 342.6mg/kg, than chemical fertilizer, reduces 80mg/kg.Use slowly-releasing water-holding agent composition and also can improve Vc, reducing sugar content in vegetables body, reduce the content of heavy metal.
3, improve chemical fertilizer utilization ratio, reduce environmental pollution
The utilization ratio of long-term application chemical fertilizer only has 30%, and a large amount of fertilizer enters underground water or flows into rivers and lakes with rain, causes environmental pollution.Slowly-releasing water-holding agent composition not only reduces the amount of application of chemical fertilizer, and a small amount of chemical fertilizer that enters soil under the effect of microorganism in steady state, be conducive to absorbing of crop, improved the utilization ratio of fertilizer.
4, improvement Soil structure, is conducive to upgrading low-and medium-yield farmland
The organic matter being rich in slowly-releasing water-holding agent composition, can improve soil physical property, increases soil aggregate, thereby make loosing soil, reduce soil compaction, be conducive to water conservation, fertilizer conservation, ventilation and promotion root system development, for farm crop provide comfortable growing environment.
5, drought-resistant water-preserving
Slowly-releasing water-holding agent composition is rich in organic matter and soil ulmin, the openness of adjustable crop pore, and these materials and beneficial microorganism meta-bolites (enzyme) synergy, can improve the comprehensive resist ability of crop, thereby improve the drought-resistant ability of crop.The enhancing of soil aggregate, impels permeability capillaceous, has guaranteed the running of soil moisture, has improved the utilization ratio of soil moisture.
Embodiment
Embodiment 1 takes 2 kilograms, 2 kilograms of EDTA, 1.5 kilograms of citric acids, 4 kilograms of xanthohumic acids, 8 kilograms of humic acidss, 6 kilograms of attapulgite clays, 17 kilograms, ferrous sulfate, 11 kilograms, calcium carbonate, 6 kilograms, copper sulfate, 13 kilograms, magnesium sulfate, 7 kilograms of manganous sulfates, 10 kilograms, zinc sulfate, 5 kilograms of boraxs, 3 kilograms of iodine breezes and molybdenum ore powder.The raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 in the steps below:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 38.9 kilograms of 9% the complexing aqueous solution, is heated to 60 ℃; Under 60～65 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 66～70 ℃, under agitation react 60 minutes, obtain 112.9 kilograms of pH3.5 complexing mixing solutionss, add the sodium hydroxide of 1.1 kilograms that the pH of complexing mixing solutions is adjusted to 7.0; Through vacuum-drying 60 minutes, 60 ℃ of drying temperatures, obtained complexing dried material again; During in temperature≤35 of complexing dried material ℃, pulverized 80 mesh sieves, made the first powder;
B, by humic acids, xanthohumic acid and Attapulgite, add mixing kettle, after stirring and mixing for 30 minutes, pulverized 40 mesh sieves, make the second powder;
C, by the first powder and the second powder after mixing kettle stirs and mixes for 30 minutes, then pass through traditional compound fertilizer pelletizing technique, make slowly-releasing water-holding agent Ru 2006101161.
Embodiment 2 takes 3 kilograms, 1.5 kilograms of EDTA, 1.5 kilograms of citric acids, 4 kilograms of xanthohumic acids, 10 kilograms of humic acidss, 5 kilograms of attapulgite clays, 15 kilograms, ferrous sulfate, 10 kilograms, calcium carbonate, 8 kilograms, copper sulfate, 14 kilograms, magnesium sulfate, 6 kilograms of manganous sulfates, 9 kilograms, zinc sulfate, 6 kilograms of boraxs, 2 kilograms of iodine breezes and molybdenum ore powder.The raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 in the steps below:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 30 kilograms of 10% the complexing aqueous solution, is heated to 65 ℃; Under 65～68 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～65 ℃, under agitation react 55 minutes, obtain 103 kilograms of pH3.6 complexing mixing solutionss, add the sodium hydroxide of 1 kilogram that the pH of complexing mixing solutions is adjusted to 7.2; Through vacuum-drying 60 minutes, 60 ℃ of drying temperatures, obtained complexing dried material again; During in temperature≤35 of complexing dried material ℃, pulverized 80 mesh sieves, made the first powder;
B, with embodiment 1;
C, with embodiment 1.
Embodiment 3 takes 3 kilograms, 1.8 kilograms of EDTA, 1.6 kilograms of citric acids, 2 kilograms of xanthohumic acids, 14 kilograms of humic acidss, 8 kilograms of attapulgite clays, 16 kilograms, ferrous sulfate, 10 kilograms, calcium carbonate, 7 kilograms, copper sulfate, 13 kilograms, magnesium sulfate, 5 kilograms of manganous sulfates, 11 kilograms, zinc sulfate, 5 kilograms of boraxs, 3 kilograms of iodine breezes and molybdenum ore powder.The raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 in the steps below:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 42.5 kilograms of 8% the complexing aqueous solution, is heated to 70 ℃; Under 65～70 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～65 ℃, under agitation react 58 minutes, obtain 115.5 kilograms of pH3.6 complexing mixing solutionss, add the sodium hydroxide of 1.2 kilograms that the pH of complexing mixing solutions is adjusted to 7.5; All the other are with embodiment 1;
B, with embodiment 1;
C, with embodiment 1.
Embodiment 4 takes 3 kilograms, 2 kilograms of EDTA, 2 kilograms of citric acids, 2 kilograms of xanthohumic acids, 12 kilograms of humic acidss, 10 kilograms of attapulgite clays, 15 kilograms, ferrous sulfate, 12 kilograms, calcium carbonate, 6 kilograms, copper sulfate, 13 kilograms, magnesium sulfate, 6 kilograms of manganous sulfates, 10 kilograms, zinc sulfate, 5 kilograms of boraxs, 2 kilograms of iodine breezes and molybdenum ore powder.The raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 in the steps below:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 47 kilograms of 8.5% the complexing aqueous solution, is heated to 70 ℃; Under 65～70 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～65 ℃, under agitation react 58 minutes, obtain 119 kilograms of pH3.5 complexing mixing solutionss, add the sodium hydroxide of 1.2 kilograms that the pH of complexing mixing solutions is adjusted to 8; All the other are with embodiment 1;
B, with embodiment 1;
C, with embodiment 1.
Embodiment 5 takes 3 kilograms, 2 kilograms of EDTA, 2 kilograms of citric acids, 3 kilograms of xanthohumic acids, 11 kilograms of humic acidss, 4 kilograms of attapulgite clays, 16 kilograms, ferrous sulfate, 11 kilograms, calcium carbonate, 8 kilograms, copper sulfate, 15 kilograms, magnesium sulfate, 7 kilograms of manganous sulfates, 10 kilograms, zinc sulfate, 6 kilograms of boraxs, 2 kilograms of iodine breezes and molybdenum ore powder.The raw material of above-mentioned weight part proportioning is prepared into slowly-releasing water-holding agent Ru 2006101161 in the steps below:
A, by EDTA and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 42 kilograms of 9.5% the complexing aqueous solution, is heated to 68 ℃; Under 68～70 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～65 ℃, under agitation react 55 minutes, obtain 114 kilograms of pH3.5 complexing mixing solutionss, add the sodium hydroxide of 1.1 kilograms that the pH of complexing mixing solutions is adjusted to 7.8; All the other are with embodiment 1;
B, with embodiment 1;
C, with embodiment 1.
Claims (2)
1. a slowly-releasing water-holding agent Ru 2006101161, is characterized in that being made by the raw material of following portions by weight: 2～3 parts, 1.5～2 parts of ethylenediamine tetraacetic acid (EDTA)s, 1.5～2 parts of citric acids, 2～5 parts of xanthohumic acids, 8～14 parts of humic acidss, 4～11 parts of attapulgite clays, 15～17 parts, ferrous sulfate, 6～8 parts, copper sulfate, 5～7 parts of manganous sulfates, 10～12 parts, calcium carbonate, 9～11 parts, zinc sulfate, 13～15 parts, magnesium sulfate, 5～6 parts of boraxs, 2～3 parts of iodine breezes and molybdenum ore powder.
2. the step of preparation slowly-releasing water-holding agent Ru 2006101161 claimed in claim 1 comprises:
A, by ethylenediamine tetraacetic acid (EDTA) and citric acid, add mixing kettle, adding tap water, to be mixed with mass percent concentration be 8～10% the complexing aqueous solution, is heated to 60～70 ℃; Under 60～70 ℃, agitation condition, to the complexing aqueous solution, add successively ferrous sulfate, calcium carbonate, copper sulfate, magnesium sulfate, manganous sulfate, zinc sulfate, borax, iodine breeze and molybdenum ore powder; 60～70 ℃, under agitation react 50～60 minutes, obtain pH3.5～3.6 complexing mixing solutions, add 0.95～1.05% sodium hydroxide of complexing mixing solutions quality that the pH of complexing mixing solutions is adjusted to 7.0～8.0; Through vacuum-drying 55～60 minutes, 60～70 ℃ of drying temperatures, obtained complexing dried material again; During in temperature≤35 of complexing dried material ℃, pulverized 80 mesh sieves, made the first powder;
B, by humic acids, xanthohumic acid and attapulgite clay, add mixing kettle, after stirring and mixing for 30 minutes, pulverized 40 mesh sieves, make the second powder;
C, by the first powder and the second powder after mixing kettle stirs and mixes for 30 minutes, then pass through traditional compound fertilizer pelletizing technique, make slowly-releasing water-holding agent Ru 2006101161.
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| CN101362662A (en) * | 2008-09-03 | 2009-02-11 | 阎宗彪 | Coating sustained-released disposable fertilizer |
| CN101519323A (en) * | 2009-04-16 | 2009-09-02 | 齐绍春 | Soluble silicon-nitrogen-kalium liquid fertilizer |
| WO2010001184A1 (en) * | 2008-07-02 | 2010-01-07 | Novatech D.O.O. | Formulation based on micronized natural calcite mineral and micronized zeolite as an enhanced plant booster and mineral fertilizer |
| CN102898244A (en) * | 2012-11-08 | 2013-01-30 | 广西新方向化学工业有限公司 | Polybasic chelate fertilizer synergist |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020178772A1 (en) * | 2001-06-04 | 2002-12-05 | Hince Eric Christian | Solid-chemical compositions, geochemical binder system, and improved high-shear granulation process for both conventional and slow-release fertilizer and bioremediation nutrient compositions |
| CN1785925A (en) * | 2004-12-06 | 2006-06-14 | 邵建华 | Chelated multielement composite fertilizer and its production |
| WO2010001184A1 (en) * | 2008-07-02 | 2010-01-07 | Novatech D.O.O. | Formulation based on micronized natural calcite mineral and micronized zeolite as an enhanced plant booster and mineral fertilizer |
| CN101362662A (en) * | 2008-09-03 | 2009-02-11 | 阎宗彪 | Coating sustained-released disposable fertilizer |
| CN101519323A (en) * | 2009-04-16 | 2009-09-02 | 齐绍春 | Soluble silicon-nitrogen-kalium liquid fertilizer |
| CN102898244A (en) * | 2012-11-08 | 2013-01-30 | 广西新方向化学工业有限公司 | Polybasic chelate fertilizer synergist |
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