CN105110969A - Moisture-preserving and synergistic slow-release agent based on biological humic acid - Google Patents
Moisture-preserving and synergistic slow-release agent based on biological humic acid Download PDFInfo
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- CN105110969A CN105110969A CN201510590680.1A CN201510590680A CN105110969A CN 105110969 A CN105110969 A CN 105110969A CN 201510590680 A CN201510590680 A CN 201510590680A CN 105110969 A CN105110969 A CN 105110969A
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 43
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 40
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000004021 humic acid Substances 0.000 title claims abstract description 17
- 239000003337 fertilizer Substances 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
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- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 claims description 14
- 102000004190 Enzymes Human genes 0.000 claims description 13
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- 238000010276 construction Methods 0.000 claims description 6
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- 238000005303 weighing Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
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- 238000010438 heat treatment Methods 0.000 claims description 3
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- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 12
- 235000005822 corn Nutrition 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
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- 235000021307 Triticum Nutrition 0.000 description 9
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- 238000003973 irrigation Methods 0.000 description 8
- 230000000638 stimulation Effects 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 7
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- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000005696 Diammonium phosphate Substances 0.000 description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 4
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 4
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- 239000002881 soil fertilizer Substances 0.000 description 2
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- 230000009105 vegetative growth Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 238000001179 sorption measurement Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Fertilizers (AREA)
Abstract
The invention discloses a moisture-preserving and synergistic slow-release agent based on biological humic acid. The slow-release agent is prepared from, by weight, 40-70 parts of biological humic acid, 10-20 parts of earthworm protein, 15-25 parts of microelement complexing agents, 2-10 parts of polyacrylic acid, 1.0-2.0 parts of dicyandiamide and 0.4-1.2 parts of pimacol. When the moisture-preserving and synergistic slow-release agent based on the biological humic acid is added into common fertilizer, the fertilizer preservation ability of soil can be remarkably improved, the slow-release effect of fertilizer nutrients can be achieved, furthermore, the nutrients can be provided for crops in an overall and balanced manner, the utilization efficiency of the fertilizer nutrients is improved, and finally the yield of the crops is increased. Moreover, the moisture preservation ability of the soil can be improved, the purpose of saving water is achieved, and therefore the moisture-preserving and synergistic slow-release agent has remarkable economic benefits.
Description
Technical field
The present invention relates to a kind of fertilizer additive, specifically a kind of fertilizer water conservation Synergistic slow release agent based on biological humic.
Background technology
Fertilizer is to provide the required nutritive element of one or more plants, improves soil property, a class material of level of increasing soil fertility, and is one of basic substance of agriculture production.
At present, common fertilizer fertilizer efficiency period is short, nutrient formula is unreasonable, and nutrient supply is science not, more unbalanced, and particularly nitrogenous fertilizer contradiction is more outstanding, concerning cultivation produced by spring maize, common fertilizer fertilizer efficiency period is short, nutrient in fertilizer, particularly nitrogen nutrient release is inconsistent with the demand of corn different growth stage to nutrient, due to the concentrated release of nutrient or the releasing ratio of nutrient inharmonious, cause utilization rate of fertilizer low, nutrient stress effect is produced to corn growth environment, a large amount of nutrient is discharged in soil under corn does not need a large amount of nutrient situation, and need not have during nutrient enough nutrient supplies in a large number at corn, therefore nutrient stress effect is produced to corn growth, thus have a strong impact on corn kernel quality and pollute agroecological environment.
Therefore, country is developing slow release fertilizer in a large number in recent years, and slow release fertilizer is also known as slow-release fertilizer, and it can replace the partial function of organic fertilizer, reduces the loss of nutrient in fertilizer, improves fertilizer efficiency, weakens the pollution of fertilizer to soil.Its slowly-releasing principle is the hydrophobic substance at fertiliser granulates Surface coating thin layer, thus is discharged into slowly in soil by the nutrient of inside, constantly to farm crop supply nutrient, effectively raises the utilization ratio of fertilizer.But existing slow release fertilizer also exists certain shortcoming, is mainly manifested in slow release effect not fully up to expectations, do not mate with crop growth demand, thus reduce fertilizer efficiency, affect plant growth, cause the underproduction reduction of income.Such as, nitrogen is the most important nutritive element of plant growth, urea is the topmost kind of nitrogenous fertilizer, urea is applicable to all crops and all soil, can be used as base manure and topdress, drought paddy field all can be used, but urea is molecular state before conversion, can not by adsorption by soil, outflow with water, the ammonia formed after transforming is also volatile, and the loss of nitrogen in soil is too high, utilization ratio only has 30%-40%, fertilizer efficiency period only has about 50 days, wasting while, also bring huge pressure to atmospheric environment, water surrounding, is serious source of pollution.
In addition, water-holding agent and slow release fertilizer mix usually to be used, but water-holding agent mixes when using with slow release fertilizer, easily reduces its its swelling capacity, causes water-absorbing-retaining ability to reduce.
Summary of the invention
The object of the present invention is to provide a kind of fertilizer water conservation Synergistic slow release agent based on biological humic with excellent water conservation, synergy, slow release effect, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, comprise according to the raw material of weight part: biological humic acid 40-70 part, earthworm fibrinlytic enzyme 10-20 part, micro-recombiner 15-25 part, polyacrylic acid 2-10 part, Dyhard RU 100 1.0-2.0 part, Nafusaku 0.4-1.2 part.
As the further scheme of the present invention: the described fertilizer water conservation Synergistic slow release agent based on biological humic, comprises according to the raw material of weight part: biological humic acid 50-60 part, earthworm fibrinlytic enzyme 14-18 part, micro-recombiner 18-22 part, polyacrylic acid 4-8 part, Dyhard RU 100 1.2-1.8 part, Nafusaku 0.6-1.0 part.
As the further scheme of the present invention: the described fertilizer water conservation Synergistic slow release agent based on biological humic, according to the raw material of weight part is: biological humic acid 55.7 parts, earthworm fibrinlytic enzyme 16 parts, micro-recombiner 20 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.
As the further scheme of the present invention: by the preparation technology that powder product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic be: raw material → pulverizing → weighing proportioning → stir, sieve → be up to the standards → packed packaging → inspection after construction → qualified packaging warehouse-in.
As the further scheme of the present invention: by the preparation technology that aqua product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic be: raw material → weighing proportioning → heating for dissolving → stir → sedimentation and filtration → detection → qualified → filling and package → inspection after construction → qualified packaging warehouse-in.
Compared with prior art, the invention has the beneficial effects as follows: the fertilizer water conservation Synergistic slow release agent that the present invention is based on biological humic is added in common fertilizer, not only can significantly improve soil fertilizer ability, reach the effect of fertilizer nutrient slowly-releasing, and then comparatively general equilibrium supplies crop nutrition content, improve fertilizer nutrient utilising efficiency, finally improve crop yield; Can also retention capacity of soil be improved, reach water-saving object, there is significant economic benefit.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Embodiment 1
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, according to the raw material of weight part be: biological humic acid 40 parts, earthworm fibrinlytic enzyme 10 parts, micro-recombiner 15 parts, polyacrylic acid 2 parts, Dyhard RU 100 1.0 parts, Nafusaku 0.4 part.Powder product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic; Its preparation technology is: raw material → pulverizing → weighing proportioning → stir, sieve → be up to the standards → packed packaging → inspection after construction → qualified packaging warehouse-in.
Embodiment 2
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, comprise according to the raw material of weight part: biological humic acid 70 parts, earthworm fibrinlytic enzyme 20 parts, micro-recombiner 25 parts, polyacrylic acid 10 parts, Dyhard RU 100 2.0 parts, Nafusaku 1.2 parts.Aqua product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic; Its preparation technology is: raw material → weighing proportioning → heating for dissolving → stir → sedimentation and filtration → detection → qualified → filling and package → inspection after construction → qualified packaging warehouse-in.
Embodiment 3
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, comprise according to the raw material of weight part: biological humic acid 55.7 parts, earthworm fibrinlytic enzyme 16 parts, micro-recombiner 20 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.Powder product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic.
Embodiment 4
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, comprise according to the raw material of weight part: biological humic acid 40 parts, earthworm fibrinlytic enzyme 20 parts, micro-recombiner 15 parts, polyacrylic acid 10 parts, Dyhard RU 100 1.0 parts, Nafusaku 1.2 parts.Aqua product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic.
Embodiment 5
Based on a fertilizer water conservation Synergistic slow release agent for biological humic, comprise according to the raw material of weight part: biological humic acid 70 parts, earthworm fibrinlytic enzyme 10 parts, micro-recombiner 25 parts, polyacrylic acid 2 parts, Dyhard RU 100 2.0 parts, Nafusaku 0.4 part.Powder product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic.
Comparative example 1
A kind of fertilizer additive, comprises according to the raw material of weight part: earthworm fibrinlytic enzyme 16 parts, micro-recombiner 20 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.Described fertilizer additive is made powder product.
Comparative example 2
A kind of fertilizer additive, comprises according to the raw material of weight part: biological humic acid 55.7 parts, micro-recombiner 20 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.Described fertilizer additive is made aqua product.
Comparative example 3
A kind of fertilizer additive, comprises according to the raw material of weight part: biological humic acid 55.7 parts, earthworm fibrinlytic enzyme 16 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.Described fertilizer additive is made powder product.
Experimental example 1: rose pot experiment
Experimental period: on October 15 ,-2013 years on the 15th February in 2013.
Experiment grouping: get the close rose of growing way and be transplanted in flowerpot, ensure that potted plant flowerpot size, soil quality and the soil amount of all roses is all identical, 2 roses planted by every basin, make 45 basin roses altogether potted plant, are then divided into 9 groups at random, often organize 5 basins; Experimental group 1-5 is labeled as respectively, comparative group 1-3 and control group by 9 groups.
Fertilizer treatment: make base manure with common fertilizers for potted flowers, compare test in rose is potted plant; Conveniently rate of fertilizer application fertilising, total fertilization amount is identical and do not topdress; Wherein, in experimental group 1-5, every 100kg base manure adds the fertilizer water conservation Synergistic slow release agent based on biological humic prepared by 2kg embodiment 1-5 respectively; In comparative group 1-3, every 100kg base manure adds fertilizer additive prepared by 2kg comparative example 1-3 respectively; Any additive is not added in the base manure of control group.
Water water treatment: water depending on soil dry-wet situation, each irrigation amount is 100mL.
The irrigation times of statistics within-2013 years on the 15th October 15 February in 2013, and calculate water-saving rate, statistics sees the following form 1.
Table 1 rose pot experiment statistics:
Project | Average irrigation times | Water-saving amount (mL) compared with control group | Water-saving rate (%) compared with control group |
Experimental group 1 | 34 | 2600 | 43.33 |
Experimental group 2 | 32 | 2800 | 46.67 |
Experimental group 3 | 28 | 3200 | 53.33 |
Experimental group 4 | 32 | 2800 | 46.67 |
Experimental group 5 | 35 | 2500 | 41.67 |
Comparative group 1 | 52 | 800 | 13.33 |
Comparative group 2 | 48 | 1200 | 20.00 |
Comparative group 3 | 46 | 1400 | 23.33 |
Control group | 60 | / | / |
Experimental result:
From upper table 1, compared with control group, the water-saving result of experimental group is obvious, and water-saving amount is at more than 2500mL, and water-saving rate is more than 40%; Compared with control group, comparative group there is certain water-saving result, but remarkable, water-saving amount is at below 1500mL, and water-saving rate is below 25%.The visible Water-saving effect that the present invention is based on the fertilizer water conservation Synergistic slow release agent of biological humic is obviously better than comparative group.In addition, can be found by the florescence of observing rose, the rose florescence of experimental group is significantly higher than comparative group and control group, and pattern is more bright-coloured, improves the ornamental value of flowers, and visible the present invention can also improve the utilization ratio of nutrient in fertilizers for potted flowers.
Experimental example 2: corn is tested
Experimental period: 2014 years.
Experiment grouping: maize field is divided into 9 pieces, every block 1 mu, is labeled as experimental group 1-5 respectively, comparative group 1-3 and control group.
Fertilizer treatment: make base manure with urea, diammonium phosphate, Repone K, compares test in maize field is produced; Wherein in experimental group 1-5, every 100kg base manure adds the fertilizer water conservation Synergistic slow release agent based on biological humic prepared by 1.5kg embodiment 1-5 respectively; In comparative group 1-3, every 100kg base manure adds fertilizer additive prepared by 1.5kg comparative example 1-3 respectively; Any additive is not added in the base manure of control group.
Other process: topdress, irrigate, dispenser etc. rule of thumb processes.
After results, weigh the per mu yield of each process, and calculate stimulation ratio statistics and see the following form 2.
Table 2 corn experiment statistics result:
Project | Per mu yield (kg) | Units increased in production (kg) compared with control group | Stimulation ratio (%) compared with control group |
Experimental group 1 | 711 | 145 | 25.62 |
Experimental group 2 | 716 | 150 | 26.50 |
Experimental group 3 | 725 | 159 | 28.09 |
Experimental group 4 | 718 | 152 | 26.85 |
Experimental group 5 | 712 | 146 | 25.80 |
Comparative group 1 | 615 | 49 | 8.66 |
Comparative group 2 | 632 | 66 | 11.66 |
Comparative group 3 | 638 | 72 | 12.72 |
Control group | 566 | / | / |
From upper table 2, make base manure with Conventional urea, diammonium phosphate, Repone K, in base manure, add the fertilizer water conservation Synergistic slow release agent that the present invention is based on biological humic, can corn yield be significantly improved.Compared with control group, experimental group every mu volume increase more than 140kg, stimulation ratio is more than 25%; Every mu of volume increase below 75kg of comparative group, stimulation ratio is below 15%; Visible the present invention is based on the fertilizer water conservation Synergistic slow release agent of biological humic to corn yield increasing Be very effective, and be significantly better than comparative group.
By finding the observation of corn growth process, the Maize at Seedling Stage growing way of control group and comparative group shows slightly advantage, but to go forward side by side after date when corn enters vegetative growth phase and reproductive growth, the advantage of experimental group plays gradually, in visible control group and comparative group, fertilizer nutrient release is very fast, the nutrients release of experimental group is comparatively slow, serves good slow release effect; By known to the calculating of rate of fertilizer application, compared with control group, the nitrogen use efficiency of experimental group improves about 14.5%, and phosphorus utilization improves about 12.3%, and potassium utilization ratio improves about 11.6%; Visible, invention significantly improves soil fertilizer ability, the plant recovery of nutrient of fertilizer is significantly improved.In addition, the irrigation frequency of experimental group and irrigation quantity are also less than control group and comparative group, visible, and the present invention can improve retention capacity of soil, efficiency of water application be have also been obtained and significantly improve; And according to calculating, compared with control group, the water-saving rate of experimental group reaches 30%.
Experimental example 3: wheat is tested
Experimental period: 2014 years in year-2015.
Experiment grouping: wheat land for growing field crops is divided into 9 pieces, and every block 1 mu, is labeled as experimental group 1-5 respectively, comparative group 1-3 and control group;
Fertilizer treatment: make base manure with urea, diammonium phosphate, Repone K, compares test in wheat Production of Large Fields; Under nitrogen, phosphorus, the equal condition of potassium nutrition content, conveniently rate of fertilizer application fertilising, does not topdress; Wherein in experimental group 1-5, every 100kg base manure adds the fertilizer water conservation Synergistic slow release agent based on biological humic prepared by 2kg embodiment 1-5 respectively; In comparative group 1-3, every 100kg base manure adds fertilizer additive prepared by 2kg comparative example 1-3 respectively; Any additive is not added in the base manure of control group.
Other process: the situations such as irrigation, dispenser, rule of thumb process.
After results, weigh the per mu yield of each process, and calculate stimulation ratio, statistics sees the following form 3.
Table 3 wheat experiment statistics result:
Project | Per mu yield (kg) | Units increased in production (kg) compared with control group | Stimulation ratio (%) compared with control group |
Experimental group 1 | 646 | 118 | 22.35 |
Experimental group 2 | 652 | 124 | 23.48 |
Experimental group 3 | 654 | 126 | 23.86 |
Experimental group 4 | 649 | 121 | 22.92 |
Experimental group 5 | 644 | 116 | 21.97 |
Comparative group 1 | 572 | 44 | 8.33 |
Comparative group 2 | 583 | 55 | 10.42 |
Comparative group 3 | 596 | 68 | 12.88 |
Control group | 528 | / | / |
From upper table 3, make base manure with Conventional urea, diammonium phosphate, Repone K, in base manure, add the fertilizer water conservation Synergistic slow release agent that the present invention is based on biological humic, can wheat yield be significantly improved.Compared with control group, experimental group every mu volume increase more than 115kg, stimulation ratio is more than 21%; Every mu of volume increase below 70kg of comparative group, stimulation ratio is below 13%; Visible the present invention is based on the fertilizer water conservation Synergistic slow release agent of biological humic to wheat increase yield Be very effective, and be significantly better than comparative group.
By finding the observation of wheat growth, the Wheat Seedling growing way of control group and comparative group shows slightly advantage, but to go forward side by side after date when wheat enters vegetative growth phase and reproductive growth, the advantage of experimental group plays gradually, in visible control group and comparative group, fertilizer nutrient release is very fast, the nutrients release of experimental group is comparatively slow, serves good slow release effect; In addition, the irrigation frequency of experimental group and irrigation quantity are also less than control group and comparative group, visible, and the present invention can improve retention capacity of soil, efficiency of water application be have also been obtained and significantly improve; And according to calculating, compared with control group, the water-saving rate of experimental group reaches 25%.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (5)
1. the fertilizer water conservation Synergistic slow release agent based on biological humic, it is characterized in that, comprise according to the raw material of weight part: biological humic acid 40-70 part, earthworm fibrinlytic enzyme 10-20 part, micro-recombiner 15-25 part, polyacrylic acid 2-10 part, Dyhard RU 100 1.0-2.0 part, Nafusaku 0.4-1.2 part.
2. the fertilizer water conservation Synergistic slow release agent based on biological humic according to claim 1, it is characterized in that, the described fertilizer water conservation Synergistic slow release agent based on biological humic, comprises according to the raw material of weight part: biological humic acid 50-60 part, earthworm fibrinlytic enzyme 14-18 part, micro-recombiner 18-22 part, polyacrylic acid 4-8 part, Dyhard RU 100 1.2-1.8 part, Nafusaku 0.6-1.0 part.
3. the fertilizer water conservation Synergistic slow release agent based on biological humic according to claim 1, it is characterized in that, the described fertilizer water conservation Synergistic slow release agent based on biological humic, according to the raw material of weight part is: biological humic acid 55.7 parts, earthworm fibrinlytic enzyme 16 parts, micro-recombiner 20 parts, polyacrylic acid 6 parts, Dyhard RU 100 1.5 parts, Nafusaku 0.8 part.
4. according to the fertilizer water conservation Synergistic slow release agent based on biological humic one of claim 1-3 Suo Shu, it is characterized in that, by the preparation technology that powder product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic be: raw material → pulverizing → weighing proportioning → stir, sieve → be up to the standards → packed packaging → inspection after construction → qualified packaging warehouse-in.
5. according to the fertilizer water conservation Synergistic slow release agent based on biological humic one of claim 1-3 Suo Shu, it is characterized in that, by the preparation technology that aqua product is made in the described fertilizer water conservation Synergistic slow release agent based on biological humic be: raw material → weighing proportioning → heating for dissolving → stir → sedimentation and filtration → detection → qualified → filling and package → inspection after construction → qualified packaging warehouse-in.
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CN1944355A (en) * | 2006-11-01 | 2007-04-11 | 铁岭绿源肥业有限公司 | Long effect slow release compound mixed fertilizer |
CN101628831A (en) * | 2008-07-14 | 2010-01-20 | 上海温兴生物工程有限公司 | Liquid-state soluble humic acid organic fertilizer and method for manufacturing same |
CN103420700A (en) * | 2012-05-14 | 2013-12-04 | 河南神雨生物科技有限公司 | Fertilizer quick-acting long-acting synergist |
CN104030838A (en) * | 2014-06-30 | 2014-09-10 | 成都新柯力化工科技有限公司 | Polymerized sustained-release compound fertilizer and preparation method thereof |
AU2014101391A4 (en) * | 2014-09-01 | 2015-01-15 | Suunil Sudhakar Chaudhry | Multifunctional organic agricultural fertilizer composition and process for preparation thereof |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1944355A (en) * | 2006-11-01 | 2007-04-11 | 铁岭绿源肥业有限公司 | Long effect slow release compound mixed fertilizer |
CN101628831A (en) * | 2008-07-14 | 2010-01-20 | 上海温兴生物工程有限公司 | Liquid-state soluble humic acid organic fertilizer and method for manufacturing same |
CN103420700A (en) * | 2012-05-14 | 2013-12-04 | 河南神雨生物科技有限公司 | Fertilizer quick-acting long-acting synergist |
CN104030838A (en) * | 2014-06-30 | 2014-09-10 | 成都新柯力化工科技有限公司 | Polymerized sustained-release compound fertilizer and preparation method thereof |
AU2014101391A4 (en) * | 2014-09-01 | 2015-01-15 | Suunil Sudhakar Chaudhry | Multifunctional organic agricultural fertilizer composition and process for preparation thereof |
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