CN1944353A - Seaweed amino acid rare-earth compound foliage fertilizer and its preparing method - Google Patents

Seaweed amino acid rare-earth compound foliage fertilizer and its preparing method Download PDF

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CN1944353A
CN1944353A CN 200610117577 CN200610117577A CN1944353A CN 1944353 A CN1944353 A CN 1944353A CN 200610117577 CN200610117577 CN 200610117577 CN 200610117577 A CN200610117577 A CN 200610117577A CN 1944353 A CN1944353 A CN 1944353A
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amino acid
seaweed
foliage fertilizer
rare
powder
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苗志奇
于湘莉
汪业春
苗海彬
唐克轩
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Abstract

The present invention relates to agricultural technology, and is seaweed amino acid RE compound foliage fertilizer and its preparation process. The preparation process includes the following steps: 1. crushing seaweed into superfine seaweed powder; 2. adding seaweed powder and compound amino acid powder into 1-6N phosphoric acid or acetic acid solution and maintaining at 60-120 deg.c for 2-40 hr to acidolyze to obtain mixture solution of seaweed oligose, polypeptide and amino acid; 3. regulating the pH of the mixture solution to 5-7 with ammonia water, sodium hydroxide or lime water, and adding metal salt mother liquid and RE mother liquid; and 4. adding water and regulating pH to 5-7 with ammonia water, sodium hydroxide or lime water to obtain the compound foliage fertilizer. The compound foliage fertilizer can raise the photosynthesis efficiency of plant and promote plant growth.

Description

Seaweed amino acid rare-earth compound foliage fertilizer and preparation method thereof
Technical field
What the present invention relates to is fertilizer of a kind of agricultural prods technical field and preparation method thereof, specifically, relate to be a kind of be the seaweed amino acid rare-earth compound foliage fertilizer and preparation method thereof of main raw material preparation with marine alga, amino acid, rare earth and metal-salt.
Background technology
Marine alga is widely used in healthcare products, food and foliage fertilizer.It with the marine alga healthy development that the foliage fertilizer of main raw material can promote seed, strengthen root, the deficiency of adjusting and trace element supplement, nutrition to plant plays a crucial role, increase chlorophyll, flowers are bright-coloured, reach strong strain, the vitality of plant increases substantially, help to resist disease and pest and natural drought-resistant ability, completely filled fruit, sugariness increase.Seaweed Extract, amino acid, rare earth all promote plant-growth separately, and promote that mechanism is separate.
Find through literature search prior art, Chen Jingming etc. are in Anhui agricultural sciences (2005,33 (9): publish an article 1730-1731) " application of seaweed fertilizer on crop production ", point out that at Seaweed Extract particularly alga oligosaccharide can promote the healthy development of seed, strengthen root, regulate and the deficiency of trace element supplement, the nutrition of plant is played a crucial role, increase chlorophyll, flowers are bright-coloured, reach strong strain, the vitality of plant increases substantially.Xu Qing is new wait the soybean circular (2002, publish an article " research of new plant growth regulator-seaweed fertilizer effect on soybean produces " on 6:6-6), point out that seaweed fertilizer helps to resist disease and pest and natural drought-resistant ability, completely filled fruit, sugariness increase.
(2001,19 (5): publish an article 465-466) " in the influence of Lanthanum trichloride to paddy rice young root plasma membrane standard oxidation restoring system " points out that the rare earth processing of proper concn can improve percentage of germination, impels seedling to grow up strong and sturdy fast and improve the drought resisting anti-adversity ability to Zhang Chunguang etc. at Chinese rare-earth journal.Wang Zemin is at rare earth magazine (2000,21 (5): publish an article 55-59) " progress of Light Transform Farm Film Doped with Rare Earth in China " points out the outer electronic structure of rare earth ion uniqueness, make it after forming organic or mineral compound, can absorb the UV-light of sunlight, and change it into blood orange light that photosynthesis of plant can directly utilize, improve illumination quality and the photosynthetic efficiency of plant.
But above study limitation is being the research that promotes plant growth when Seaweed Extract and rare earth are used separately.Consider that Seaweed Extract and rare-earth action mechanism are separate, study their best compatibility by orthogonal experiment, thereby bring into play the synergy of each component, can promote plant-growth greatly.But the report of present relevant as yet marine alga, rare-earth compound foliage fertilizer.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, in conjunction with the advantage of marine alga foliage fertilizer and rare earth foliage fertilizer, the compatibility experiment by system has proposed a kind of seaweed amino acid rare-earth compound foliage fertilizer and preparation method thereof.This foliage fertilizer can be realized the synergy of each component such as alga oligosaccharide, amino acid, rare earth and metal-salt, and performance promotes the promoter action of plant-growth to greatest extent.
The present invention is achieved by the following technical solutions, and seaweed amino acid rare-earth compound foliage fertilizer of the present invention is the aqueous solution, and weight in wet base per-cent is 99.50-99.95%.Main effective constituent weight percent is:
The acidolysis seaweed powder of 0.01-0.2%, 0.02-0.2% aminoacids complex amino acid, 0.0002-0.002%La (NO3) 3, 0.0002-0.002% Eu (NO3) 3, 0.00925%-0.0925% MgSO 47H 2O, 0.0045%-0.045%KH 2PO 4.2H 2O, 0.00335%-0.0335% (NH 4) 2SO 4, 0.0005575%-0.005575% MnSO 44H 2O, 0.000155%-0.00155% H 3BO 3, 0.000215%-0.00215% ZnSO 47H 2O, 0.000695%-0.00695% FeSO 47H 2O, 0.00000063%-0.00000625% CoCl 26H 2O, 0.00000063%-0.00000625% CuSO 45H 2O, 0.00002075%-0.0002075% KI, 0.00000625%-0.0000625% Na 2MoO 42H 2O, 0.0009325%-0.009325% Na 2-EDTA.
For ease of transportation, composite foliage fertilizer of the present invention can be sold according to the proportional concentrated solutions such as 50 times or 100 times that are condensed into of above prescription, and thin up arrives normality more in use.
In above prescription, the alga oligosaccharide stimulating plant cell growth that the acidolysis seaweed powder obtains separates, and improves the blade cell content of chlorophyll; The light of rare earth component performance simultaneously transition function will be converted into the utilizable blood orange light of plant to the deleterious ultraviolet ray of plant, have under the sufficient amino acid whose condition, improve light and the efficient of plant, promote plant-growth.
The present invention also provides the preparation method of above-mentioned seaweed amino acid rare-earth compound foliage fertilizer, for disposing described composite foliage fertilizer, needs at first two configuration needed metal-salt mother liquors of plant-growth and rare earth mother solution.Wherein the metal-salt mother liquor consists of: MgSO 47H 2O (185mg/L), KH 2PO 4.2H 2O (90mg/L), (NH 4) 2SO 4(67mg/L), MnSO 44H 2O (11.15mg/L), H 3BO 3(3.1mg/L), ZnSO 47H 2O (4.3mg/L), FeSO 47H 2O (13.9mg/L), CoCl 26H 2O (0.0125mg/L), CuSO 45H 2O (0.0125mg/L), KI (0.415mg/L), Na 2MoO 42H 2O (0.125mg/L), Na 2-EDTA (18.65mg/L).Rare earth mother solution consists of: 20g/L La (NO3) 3, 20g/L Eu (NO3) 3
Seaweed amino acid rare-earth compound foliage fertilizer preparation method of the present invention, step is as follows:
1) gets 0.1-2 gram marine alga, carry out cutting and grinding, obtain the seaweed powder of granularity in the ultra-fine granularity below 100 microns;
2) get 0.2-2 gram compound amino acid powder, seaweed powder and amino acid powder are joined in the phosphoric acid or acetum of 1-6N of 1-5 times of weight, 60-120 ℃ of insulation acidolysis in 2-40 hour obtains alga oligosaccharide, polypeptide and amino acid whose mixing solutions.Because adopt seaweed powder to adopt ultra-fine grain to carry out acidolysis, the acidolysis mixture exists in the suspension liquid mode, precipitation does not need to filter.
3) pH that uses ammoniacal liquor, sodium hydroxide or liming adjustment mixing solutions adds metal-salt mother liquor 0.5-5mL and rare earth mother solution 0.1-1mL between the 5-7.
4) add water mixing solutions is adjusted to 1L, and the pH that adjusts mixing solutions with ammoniacal liquor, sodium hydroxide or liming at last is between the 5-7, what be last acquisition can direct applied composite foliage fertilizer.
The composite foliage fertilizer concentrated solution is when configuration, and the add-on of each component doubles according to cycles of concentration.The composite foliage fertilizer concentrated solution is multiple dilution according to the rules before use.
Chlorophyll and sunlight are two fundamentals of photosynthesis of plant, and chlorophyll is to carry out photosynthetic catalyzer, and composite foliage fertilizer of the present invention can effectively improve chlorophyll content by alga oligosaccharide wherein.And have only blood orange light effectively to be utilized in the sunlight by chlorophyll, energy as stabilizing carbon dioxide and water of decomposition, light wherein, as UV-light, not only can not effectively be utilized by chlorophyll, on the contrary plant is produced injury, composite foliage fertilizer middle-weight rare earths element of the present invention has the commentaries on classics light characteristic, will be converted into the useless even deleterious ultraviolet ray of plant to be fit to photosynthetic blood orange light.There are being suitable amino acid and ionizable metal salt to exist under the situation, alga oligosaccharide and rare earth are mutually promoted, from light utilize ability and validity two aspects synergy, comparing, both do the time spent separately, can further improve the photosynthetic efficiency of plant, thereby promote that plant grows at faster speed.
Embodiment
Below embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
The configuration of example 1 marine alga foliage fertilizer and the tobacco leaf effect of increasing production tested
The layoutprocedure of marine alga foliage fertilizer is as follows:
1. take by weighing dry marine alga 2 grams and be cut into the little fast of 1 centimeter square earlier, obtain the marine alga meal of 2 mm dias then by pulverizer;
2. by the micronizing instrument seaweed powder further is crushed to about the 20-50 micron diameter;
3. seaweed powder after will pulverizing and 1 gram compound amino acid powder join in the phosphoric acid solution of 4mL1N 80 ℃ of insulations and carried out acidolysis in 12 hours;
4. adjust the pH to 5.8 of mixing solutions with ammoniacal liquor;
5. add metal-salt mother liquor 5mL and rare earth mother solution 0.5mL;
6. add water mixing solutions is adjusted to 1 liter, and the sodium hydroxide solution of 6N adjusts to 5.8 with mixing solutions pH.What be last acquisition can direct applied composite foliage fertilizer.The part by weight of active principle is 0.20% acidolysis seaweed powder in this composite fertilizer, 0.10% aminoacids complex amino acid, 0.0010% La (NO3) 3, 0.0010% Eu (NO3) 3, 0.0925% MgSO 47H 2O, 0.0450% KH 2PO 4.2H 2O, 0.0335% (NH 4) 2SO 4, 0.0056% MnSO 44H 2O, 0.0016% H 3BO 3, 0.0022% ZnSO 47H 2O, 0.0070% FeSO 47H 2O, 0.00000625% CoCl 26H 2O, 0.00000625% CuSO 45H 2O, 0.000208% KI, 0.000063%Na 2MoO 42H 2O, 0.009325% Na 2-EDTA.
For testing marine alga composite foliage fertilizer that above collocation method obtains effect of increasing production, design following experiment to tobacco:
2 mu of tobacco planting areas are done contrast for one mu, carry out conventional fertilizer application; Another mu outside conventional fertilizer application management, 20 liters of composite foliage fertilizers in addition, thin up obtains 40 liters of solution for one times, then this 1 mu of tobacco is carried out spring application.Average blade area of metering and tobacco per mu yield behind the results tobacco find that the tobacco production that sprays the foliage fertilizer group has improved 20%, and average leaf area has improved 18%.Find in examining tobacco curing leaf process that simultaneously tobacco leaf is more crisp than control group, fracture easily and break, may promote leaf growth with foliage fertilizer, make blade plump more, the respective fiber cellulose content descends relevant.
100 times of concentrated solution configurations of example 2 marine alga foliage fertilizers and seed soaking thereof improve the effect of rice seed germination rate
For ease of selling transportation, the marine alga foliage fertilizer can be prepared into the doubly spissated packaged form of 1-100, and 100 times of concentrated solution layoutprocedures are as follows:
1. take by weighing dry marine alga 10 grams and be cut into the little fast of 1 centimeter square earlier, obtain the marine alga meal of 2 mm dias then by pulverizer;
2. by the micronizing instrument seaweed powder further is crushed to about the 20-50 micron diameter;
3. seaweed powder after will pulverizing and 100 gram compound amino acid powders join in the acetum of 400mL1N 80 ℃ of insulations and carried out acidolysis in 12 hours;
4. with the NaOH solution of 1N the pH of mixing solutions is adjusted to 5.8;
5. add metal-salt mother liquor 50mL and rare earth mother solution 100mL;
6. add water mixing solutions is adjusted to 1 liter, and the sodium hydroxide solution of 6N adjusts to 5.8 with mixing solutions pH.Be 100 times of spissated composite foliage fertilizers.Effective constituent weight ratio in this composite fertilizer is as follows: 0.01% acidolysis seaweed powder, 0.10% aminoacids complex amino acid, 0.0020% La (NO3) 3, 0.0020% Eu (NO3) 3, 0.0093% MgSO 47H 2O, 0.0045% KH 2PO 4.2H 2O, 0.0034% (NH 4) 2SO 4, 0.0006%MnSO 44H 2O, 0.0002% H 3BO 3, 0.0002% ZnSO 47H 2O, 0.0007% FeSO 47H 2O, 0.00000063%CoCl 26H 2O, 0.00000063% CuSO 45H 2O, 0.000021% KI, 0.000006%Na 2MoO 42H 2O, 0.000933% Na 2-EDTA.
After 100 times of above-mentioned 100 times of spissated marine alga composite foliage fertilizer dilutions, be the compound marine alga composite foliage fertilizer (every life contains 0.1 gram acidolysis seaweed powder, 2 gram compound amino acid powders, metal-salt mother liquor 0.5mL and rare earth mother solution 1mL) that can directly use.Get 1 liter of composite foliage fertilizer (i.e. 100 times of spissated marine alga composite foliage fertilizer 10mL add water to 1 liter), dilution is 1 times, 2 times, 5 times, 10 times, 50 times respectively, (D excellent 527 to paddy rice to do contrast with clear water, get 100 of full seeds for every group) soaked seed 48 hours, 3 repetitions are established in each processing, plant the land for growing field crops then, unified daily administration.The percentage of germination statistics of each group is as follows.
The different dilution marine alga composite foliage fertilizer seed soaking of table 1 are to the influence of paddy rice percentage of germination
1 times 2 times 5 times 10 times 50 times Clear water
First group 99 98 98 87 82 78
Second group 98 99 95 88 80 78
The 3rd group 98 98 97 90 79 75
The sowing number 100 100 100 100 100 100
Seedling rate 98.3％ 98.6％ 96.8％ 88.3％ 80.3％ 77％
The composite foliage fertilizer of 5 times of dilutions has improved 10 percentage points with seed germination rate as can be seen, is equivalent to comparison according to having improved 12.7%.
The configuration of example 3 marine alga foliage fertilizers and the corn yield increasing effect tested
The layoutprocedure of marine alga foliage fertilizer is as follows:
1. take by weighing dry marine alga 1 gram and be cut into the little fast of 1 centimeter square earlier, obtain the marine alga meal of 2 mm dias then by pulverizer;
2. by the micronizing instrument seaweed powder further is crushed to about the 20-50 micron diameter;
3. seaweed powder after will pulverizing and 0.2 gram compound amino acid powder join in the phosphoric acid solution of 4mL1N 80 ℃ of insulations and carried out acidolysis in 12 hours;
4. adjust the pH to 5.8 of mixing solutions with saturated lime aqueous solution;
5. add metal-salt mother liquor 3mL and rare earth mother solution 0.1mL;
6. add water mixing solutions is adjusted to 1 liter, and the sodium hydroxide solution of 6N adjusts to 5.8 with mixing solutions pH.What be last acquisition can direct applied composite foliage fertilizer.The part by weight of the effective constituent in this composite fertilizer is as follows: 0.10% acidolysis seaweed powder, 0.02% aminoacids complex amino acid, 0.0002% La (NO3) 3, 0.0002% Eu (NO3) 3, 0.0555% MgSO 47H 2O, 0.0270% KH 2PO 4.2H 2O, 0.0201% (NH 4) 2SO 4, 0.0033% MnSO 44H 2O, 0.0009% H 3BO 3, 0.0013% ZnSO 47H 2O, 0.0042% FeSO 47H 2O, 0.00000375%CoCl 26H 2O, 0.00000375% CuSO 45H 2O, 0.000125% KI, 0.000038%Na 2MoO 42H 2O, 0.005595% Na 2-EDTA.
For testing marine alga composite foliage fertilizer that above collocation method obtains effect of increasing production, design following experiment to corn:
Corn adopts sweet No. 5 earlier, 2 mu of cultivated areas, mu plantation 3000 strains.Do contrast for one mu, carry out conventional fertilizer application; Another mu is outside the conventional fertilizer application management, and when height of seedling reached half meter, other got 20 liters of composite foliage fertilizers, and the thin up twice obtains 40 liters of solution, then this 1 mu of corn is carried out spring application.20 weathers of the pollinating bright corn of gathering finds that average yield per mu brings up to 1890 kilograms from 1450 kilograms, improves to surpass 30%, and average fringe is heavily brought up to 310 grams from 240 grams, improves closely 29%, and average spike length is brought up to 27 centimetres from 20 centimetres, has improved about 31%.

Claims (5)

1, a kind of seaweed amino acid rare-earth compound foliage fertilizer, it is characterized in that: be the aqueous solution, weight in wet base per-cent is 99.50-99.95%, and the effective constituent weight percent is: the acidolysis seaweed powder of 0.01-0.2%, 0.02-0.2% aminoacids complex amino acid, 0.0002-0.002%La (NO3) 3, 0.0002-0.002%Eu (NO3) 3, 0.0002-0.002%0.00925%-0.0925%MgSO 47H 2O, 0.0045%-0.045%KH 2PO 4.2H 2O, 0.00335%-0.0335% (NH 4) 2SO 4, 0.0005575%-0.005575%MnSO 44H 2O, 0.000155%-0.00155%H 3BO 3, 0.000215%-0.00215%ZnSO 47H 2O, 0.000695%-0.00695%FeSO 47H 2O, 0.00000063%-0.00000625%CoCl 26H 2O, 0.00000063%-0.00000625%CuSO 45H 2O, 0.00002075%-0.0002075%KI, 0.00000625%-0.0000625%Na 2MoO 42H 2O, 0.0009325%-0.009325%Na 2-EDTA.
2, seaweed amino acid rare-earth compound foliage fertilizer according to claim 1 is characterized in that, can concentrate 1-100 doubly, and when concentrating, all content of effective double according to the cycles of concentration correspondence.
3, a kind of preparation method of seaweed amino acid rare-earth compound foliage fertilizer as claimed in claim 1 is characterized in that, step is as follows:
1) gets 0.1-2 gram marine alga, carry out cutting and grinding, obtain the seaweed powder of granularity in the ultra-fine granularity below 100 microns;
2) get 0.2-2 gram compound amino acid powder, seaweed powder and amino acid powder are joined in the phosphoric acid or acetum of 1-6N of 1-5 times of weight, 60-120 ℃ of insulation acidolysis in 2-40 hour obtains alga oligosaccharide, polypeptide and amino acid whose mixing solutions;
3) pH that uses ammoniacal liquor, sodium hydroxide or liming adjustment mixing solutions adds metal-salt mother liquor 0.5-5mL and rare earth mother solution 0.1-1mL between the 5-7;
4) add water mixing solutions is adjusted to 1L, and the pH that adjusts mixing solutions with ammoniacal liquor, sodium hydroxide or liming at last is seaweed amino acid rare-earth compound foliage fertilizer between the 5-7.
4, the preparation method of seaweed amino acid rare-earth compound foliage fertilizer according to claim 3 is characterized in that, described metal-salt mother liquor, and concrete material is composed as follows: 185g/L MgSO 47H 2O, 90g/LKH 2PO 4.2H 2O, 67g/L (NH 4) 2SO 4, 11.15g/L MnSO 44H 2O, 3.1g/L H 3BO 3, 4.3g/LZnSO 47H 2O, 13.9g/L FeSO 47H 2O, 0.0125g/L CoCl 26H 2O, 0.0125g/L CuSO 45H 2O, 0.415g/L KI, 0.125g/L Na 2MoO 42H 2O, 18.65mg/L Na 2-EDTA.
5, the preparation method of seaweed amino acid rare-earth compound foliage fertilizer according to claim 3 is characterized in that, described rare earth mother solution, and concrete material consists of: 20g/L La (NO3) 3, 20g/L Eu (NO3) 3
CN 200610117577 2006-10-26 2006-10-26 Seaweed amino acid rare-earth compound foliage fertilizer and its preparing method Pending CN1944353A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102336605A (en) * 2011-06-29 2012-02-01 湖南农业大学 Amino acid foliar fertilizer for ramie and preparation method thereof
CN103058750A (en) * 2012-12-19 2013-04-24 华南农业大学 Seaweed amino acid composite liquid manure and preparation method and application thereof
CN103570445A (en) * 2012-08-02 2014-02-12 青岛海大生物集团有限公司 Preparation method of phosphorylation enteromorpha oligosaccharide powder fertilizer
CN105130593A (en) * 2015-08-06 2015-12-09 河南省农业科学院植物营养与资源环境研究所 Sodium alginate oligosaccharide complex and applications of sodium alginate oligosaccharide complex in release of copper toxicity on crops
CN108373378A (en) * 2018-02-28 2018-08-07 武汉中碳御农生物科技有限公司 A kind of preparation method of photosynthetic accelerator
CN110819659A (en) * 2019-11-15 2020-02-21 斯蒂芬·Y·周 Preparation method of seaweed organic polymer
CN113104985A (en) * 2021-04-13 2021-07-13 哈尔滨工业大学 Method for assisting in improving sewage treatment efficiency of bacterial-algae symbiotic system by using rare earth
CN114573394A (en) * 2022-03-18 2022-06-03 新洋丰农业科技股份有限公司 Fertilizer biological synergistic additive for promoting photosynthesis and preventing physiological yellowing and preparation method thereof
CN114573395A (en) * 2022-03-18 2022-06-03 新洋丰农业科技股份有限公司 Biological synergistic additive for sweetening fertilizer and preparation method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102336605B (en) * 2011-06-29 2013-08-14 湖南农业大学 Amino acid foliar fertilizer for ramie and preparation method thereof
CN102336605A (en) * 2011-06-29 2012-02-01 湖南农业大学 Amino acid foliar fertilizer for ramie and preparation method thereof
CN103570445B (en) * 2012-08-02 2016-03-02 青岛海大生物集团有限公司 The preparation method of phosphorylation enteromorpha oligosaccharide powder fertilizer
CN103570445A (en) * 2012-08-02 2014-02-12 青岛海大生物集团有限公司 Preparation method of phosphorylation enteromorpha oligosaccharide powder fertilizer
CN103058750B (en) * 2012-12-19 2014-10-08 华南农业大学 Seaweed amino acid composite liquid manure and preparation method and application thereof
CN103058750A (en) * 2012-12-19 2013-04-24 华南农业大学 Seaweed amino acid composite liquid manure and preparation method and application thereof
CN105130593A (en) * 2015-08-06 2015-12-09 河南省农业科学院植物营养与资源环境研究所 Sodium alginate oligosaccharide complex and applications of sodium alginate oligosaccharide complex in release of copper toxicity on crops
CN105130593B (en) * 2015-08-06 2019-03-29 河南省农业科学院植物营养与资源环境研究所 Sodium alginate oligosaccharide compound and its application in alleviation crop copper toxicity
CN108373378A (en) * 2018-02-28 2018-08-07 武汉中碳御农生物科技有限公司 A kind of preparation method of photosynthetic accelerator
CN110819659A (en) * 2019-11-15 2020-02-21 斯蒂芬·Y·周 Preparation method of seaweed organic polymer
CN113104985A (en) * 2021-04-13 2021-07-13 哈尔滨工业大学 Method for assisting in improving sewage treatment efficiency of bacterial-algae symbiotic system by using rare earth
CN114573394A (en) * 2022-03-18 2022-06-03 新洋丰农业科技股份有限公司 Fertilizer biological synergistic additive for promoting photosynthesis and preventing physiological yellowing and preparation method thereof
CN114573395A (en) * 2022-03-18 2022-06-03 新洋丰农业科技股份有限公司 Biological synergistic additive for sweetening fertilizer and preparation method thereof

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