CN104945171A - Organic water-soluble fertilizer capable of lowering soil acidification damage and preparation method thereof - Google Patents
Organic water-soluble fertilizer capable of lowering soil acidification damage and preparation method thereof Download PDFInfo
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- CN104945171A CN104945171A CN201510420770.6A CN201510420770A CN104945171A CN 104945171 A CN104945171 A CN 104945171A CN 201510420770 A CN201510420770 A CN 201510420770A CN 104945171 A CN104945171 A CN 104945171A
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Abstract
The invention discloses organic water-soluble fertilizer capable of lowering soil acidification damage and a preparation method thereof. The organic water-soluble fertilizer capable of lowering soil acidification damage comprises, by weight, 75 g/L-150 g/L of chitosan, 30 g/L-100 g/L of humic acid, 75 g/L-150 g/L of organic matter, 30 g/L-40 g/L of K2O, 10 g/L-30 g/L of glycine and 1 g/L-5 g/L of EDTA-Fe. The method includes the steps that the chitosan is dissolved in a HAc-NaAc buffer solution to be subjected to ultrasonic degradation; then cellulase and ficin are added to undergo enzymolysis into small molecular weight chitosan; mineral source humic acid raw powder and potassium hydroxide are used for manufacturing a potassium humate solution, the mineral source humic acid raw powder and the potassium hydroxide are mixed in proportion so that the organic water-soluble fertilizer capable of lowering soil acidification damage can be obtained, and an organic water-soluble fertilizer finished product capable of lowering soil acidification damage can be obtained by weighing and packaging. According to the organic water-soluble fertilizer capable of lowering soil acidification damage and the preparation method thereof, production preparation is simple, feasibility is high, the produced chitosan potassium humate organic water-soluble fertilizer is obvious in effect, soil micro ecology is improved, the rate of absorption and utilization is high, the stress resistance of crops is improved, hence, the quality of crops is improved and the yield of the crops is increased.
Description
Technical field
The present invention relates to one and can reduce soil acidification harm organic water-soluble fertilizer, also relate to a kind of preparation method that can reduce soil acidification harm organic water-soluble fertilizer.
Background technology
Early stage so far from the eighties in last century, almost all have dropped 0.1 to 0.8 unit in the potential of hydrogen of all soil types of China's discovery, the soil acidification of this scale " needs the time in hundreds of thousands of year " usually.Excessively use chemical fertilizer, light organic fertilizer; Pay attention to base manure, ignorance is topdressed, cause unnecessary nutrient especially nitrogen accumulate at topsoil, very fast ammonification is then by after nitrated, cause soil acidification, excessive nitrogenous fertilizer also can cause the leaching loss of the large medium trace element such as potassium in soil, calcium, magnesium, zinc, makes soil severe acidification.Next uses the animal excrement of fully not becoming thoroughly decomposed.After the animal excrement of fully not becoming thoroughly decomposed are decomposed in soil, generate organic acid, aggravate soil acidification further.It three is in insect pests crop smothering process, and excessive use chemical pesticide, causes soil pollution, soil microbe quantity reduces, and activity weakens, the boosting acidifying of soil.
Summary of the invention
A technical problem to be solved by this invention is to provide that one can directly be used, nutrient is balanced, can make up a kind of organic water-soluble fertilizer that can reduce soil acidification harm that soil acidification brings harm.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of can reduce soil acidification harm organic water-soluble fertilizer, each component comprised and content as follows: 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L.
As the preferred technical scheme of one, also comprise glycine that content is 10 ~ 30g/L and content is the chelated iron of 1 ~ 5g/L.
Owing to have employed technique scheme, can reduce soil acidification harm an organic water-soluble fertilizer, each component comprised and content as follows: 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L; Instant invention overcomes the weakness that mineral manure breaks ring soil microorganisms structure, effectively can improve Soil Micro-environment; Chitosan can promote beneficial microorganism amount reproduction in soil, by the comprehensive action of beneficial microorganism (cellulose-decomposing bacteria, spontaneous azotobacter, lactic-acid-bacterium, defence line bacterium etc.), make the probiotics in soil increase thousands of times, such as reaping hook microbial inoculum and threadworms etc. significantly reduce harmful bacteria; Chitosan has promotion root growth to plant itself, activating rhizosphere state, and inducing plant produces disease-resistant resistance, strengthening immunity, alleviates the harm that soil acidification brings; Chitosan can produce sequestering action with trace element, the micro-available nutrient in product is increased, thus can improve soil, culture fertility, improve soil nutrient utilization ratio; Chitosan has the characteristic being easy to film forming, its extremely strong film forming function, can delay the release of fertilizer element, reduces the loss of nutrient and greatly improves fertilizer efficiency; Potassium humate is except the nutritive element that crop can be provided necessary, and the increase also for soil microorganisms has promoter action.
Another technical problem to be solved by this invention is to provide a kind of preparation method that can reduce the organic water-soluble fertilizer of soil acidification harm.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of preparation method that can reduce the organic water-soluble fertilizer of soil acidification harm, comprises the steps:
Step one, is dissolved in chitosan in HAc-NaAc damping fluid, carries out ultrasonic degradation;
Step 2, is added to water in reactor, and described reactor is furnished with agitating heater;
Step 3, adds cellulase in reactor and ficin also dissolves completely;
Step 4, adds the ready chitosan mixing liquid of step one in reactor, is heated to 45 ~ 65 DEG C and uses whipping appts to be uniformly mixed liquid simultaneously, make mixing liquid generation enzyme digestion reaction, keep enzymolysis to stop after 2 ~ 3 hours stirring, be cooled to room temperature;
Step 5, the pulverizing former powder of at least 20 object humic acids and nitric acid, water are joined in another reactor in the ratio of 1:1:5, slowly be warming up to 130 ~ 150 DEG C, react and after 3 ~ 5 hours, supernatant liquor is separated, add potassium hydroxide, adjust PH to 6.0 ~ 7.0, after vacuum concentration evaporation, obtain concentrated potassium humate liquid;
Step 6, the liquid mixing that liquid step 5 obtained and step 4 obtain is even, in mixed liquid the title of each component and content as follows: 150g/L >=chitosan >=75g/L, 100g/L >=humic acids >=30g/L, 150g/L >=organic matter >=75g/L, 40g/L >=K2O >=30g/L.
As the preferred technical scheme of one, in described step 4, enzymolysis is kept to stop after 2.5 hours stirring.
As the preferred technical scheme of one, in described step 6, in liquid, add glycine and chelated iron and mix, the content of glycine in mixing liquid is 10 ~ 30g/L, and the content of chelated iron in mixing liquid is 1 ~ 5g/L.。
As the preferred technical scheme of one, the enzyme activity >=400U/mg of described cellulase, the enzyme activity >=330U/mg of ficin, hydrolysis temperature controls at 45 ~ 65 DEG C.
As the preferred technical scheme of one, the molecular weight of the chitosan solution that described step 4 obtains is greater than 900 and is less than 1100.
Owing to have employed technique scheme, it is simple that preparation method of the present invention produces preparation, exploitativeness is high, and the chitosan potassium humate organic water-soluble fertilizer Be very effective produced, especially for long-term excessive use inorganic fertilizer soil Be very effective, improvement soil micro-ecosystem, absorption rate is high, improve crop anti-adversity, and then improve crop quality and output.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, being described in is illustrative in essence, instead of for limiting the protection domain of claim.
Embodiment one:
Can reduce soil acidification harm an organic water-soluble fertilizer, each component comprised and content as follows: 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L.
Described organic water-soluble fertilizer also comprises glycine that content is 10g/L and content is the chelated iron of 1g/L.
Instant invention overcomes the weakness that mineral manure breaks ring soil microorganisms structure, effectively can improve Soil Micro-environment; Chitosan can promote beneficial microorganism amount reproduction in soil, by the comprehensive action of beneficial microorganism (cellulose-decomposing bacteria, spontaneous azotobacter, lactic-acid-bacterium, defence line bacterium etc.), make the probiotics in soil increase thousands of times, such as reaping hook microbial inoculum and threadworms etc. significantly reduce harmful bacteria; Chitosan has promotion root growth to plant itself, activating rhizosphere state, and inducing plant produces disease-resistant resistance, strengthening immunity, alleviates the harm that soil acidification brings; Chitosan can produce sequestering action with trace element, the micro-available nutrient in product is increased, thus can improve soil, culture fertility, improve soil nutrient utilization ratio; Chitosan has the characteristic being easy to film forming, its extremely strong film forming function, can delay the release of fertilizer element, reduces the loss of nutrient and greatly improves fertilizer efficiency; Potassium humate is except the nutritive element that crop can be provided necessary, and the increase also for soil microorganisms has promoter action.
A preparation method for the organic water-soluble fertilizer of soil acidification harm can be reduced, comprise the steps:
Step one, is dissolved in chitosan in HAc-NaAc damping fluid, carries out ultrasonic degradation;
Step 2, is added to water in reactor, and described reactor is furnished with agitating heater;
Step 3, adds cellulase in reactor and ficin also dissolves completely, the enzyme activity >=400U/mg of described cellulase, the enzyme activity >=330U/mg of ficin;
Step 4, adds the ready chitosan mixing liquid of step one in reactor, is heated to 45 ~ 65 DEG C and uses whipping appts to be uniformly mixed liquid simultaneously, make mixing liquid generation enzyme digestion reaction, keep enzymolysis to stop after 2.5 hours stirring, be cooled to room temperature; The molecular weight of obtained chitosan solution is greater than 900 and is less than 1100, and preferably 1000.
Step 5, the pulverizing former powder of at least 20 object humic acids and nitric acid, water are joined in another reactor in the ratio of 1:1:5, slowly be warming up to 130 ~ 150 DEG C, react and after 3 ~ 5 hours, supernatant liquor is separated, add potassium hydroxide, adjust PH to 6.0 ~ 7.0, after vacuum concentration evaporation, obtain concentrated potassium humate liquid;
Step 6, the liquid mixing that liquid step 5 obtained and step 4 obtain is even, in mixed liquid the title of each component and content as follows: 150g/L >=chitosan >=75g/L, 100g/L >=humic acids >=30g/L, 150g/L >=organic matter >=75g/L, 40g/L >=K2O >=30g/L;
In liquid, add glycine and chelated iron and mix, the content of glycine in mixing liquid is 10g/L, and the content of chelated iron in mixing liquid is 1g/L.。
Described potassium humate be the former powder lixiviate of mineral out; good stability; humic acids is wherein a kind of biologically active agents; Soil Available potassium content can be improved; reduce the loss of potassium and fix; increase crop to the absorption of potassium and utilization ratio, also there is improvement soil, promote plant growth, improve crop anti-adversity ability, improve the function such as crop quality, protecting agriculture ecotope.
Embodiment two:
Embodiment two is with the difference of embodiment one, and the content 15g/L of described glycine in organic water-soluble fertilizer, the content of chelated iron in organic water-soluble fertilizer is 3g/L.
Embodiment three:
Embodiment three is with the difference of embodiment one, and the content 30g/L of described glycine in organic water-soluble fertilizer, the content of chelated iron in organic water-soluble fertilizer is 5g/L.
It is simple that the present invention produces preparation, exploitativeness is high, and the chitosan potassium humate organic water-soluble fertilizer Be very effective produced, especially for long-term excessive use inorganic fertilizer soil Be very effective, improvement soil micro-ecosystem, absorption rate is high, improves crop anti-adversity, and then improves crop quality and output.Relatively be applicable to following situation:
1. long-term excessive use inorganic fertilizer, cause unnecessary nutrient especially nitrogen accumulate at topsoil, after then nitrated by ammonification very soon, cause soil acidification.
2. in insect pests crop smothering process, excessive use chemical pesticide, causes soil pollution, and soil microbe quantity reduces, and activity weakens.
The present invention has the following advantages:
Can improve Soil Micro-environment, promote root growth, activating rhizosphere state, inducing plant produces disease-resistant resistance, strengthening immunity, alleviates the harm that soil acidification brings;
1. in organic water-soluble fertilizer, chitosan can produce sequestering action with trace element, the micro-available nutrient in product is increased, thus can improve soil, culture fertility, improve soil nutrient utilization ratio; Chitosan has the characteristic being easy to film forming, its extremely strong film forming function, can delay the release of fertilizer element, reduces the loss of nutrient and greatly improves fertilizer efficiency;
2. improve Soil Available potassium content, reduce the loss of potassium and fix, increase crop to the absorption of potassium and utilization ratio;
3. in organic water-soluble fertilizer, glycine can improve crop field top, root system NR activity and plant total nitrogen, thus promotes the nitrogen asimilation in plant materials, is conducive to organonitrogen and accumulates in vivo;
4. in organic water-soluble fertilizer, chelated iron can prevent and treat the symptom such as " yellowtop ", " hoja blanca ", " apical dieback ", " top drying " that crop causes because of iron deficiency, greatly improves the sugar degree of percentage of fertile fruit, single fruit weight and product.
Illustrate below in conjunction with form:
Experiment one is clear water;
Experiment two is for reducing soil acidification harm organic water-soluble fertilizer (150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L);
In order can reduce soil acidification harm organic water-soluble fertilizer, (Glycine Levels 15g/L, chelated iron content is 3g/L, 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K in experiment three
2o>=30g/L);
In order can reduce soil acidification harm organic water-soluble fertilizer, (Glycine Levels 30g/L, chelated iron content is 5g/L, 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K in experiment four
2o>=30g/L).
Instinct reduces when soil acidification harm organic water-soluble fertilizer uses to be noted:
1. use this product and should avoid burning sun high temperature; 2. this product should be stored in shady and cool dry place, and under high temperature or pole cold condition, state is as the genus normal phenomenon that changes, and shaking up use does not affect quality and effect; 3. product for agriculture is not drinkable, avoids children to touch.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (7)
1. can reduce soil acidification harm an organic water-soluble fertilizer, it is characterized in that, each component comprised and content as follows: 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L.
2. can reduce the organic water-soluble fertilizer of soil acidification harm as claimed in claim 1, it is characterized in that, also comprise glycine that content is 10 ~ 30g/L and content is the chelated iron of 1 ~ 5g/L.
3. can reduce the preparation method of the organic water-soluble fertilizer of soil acidification harm as claimed in claim 1, it is characterized in that, comprise the steps:
Step one, is dissolved in chitosan in HAc-NaAc damping fluid, carries out ultrasonic degradation;
Step 2, is added to water in reactor, and described reactor is furnished with agitating heater;
Step 3, adds cellulase in reactor and ficin also dissolves completely;
Step 4, adds the ready chitosan mixing liquid of step one in reactor, is heated to 45 ~ 65 DEG C and uses whipping appts to be uniformly mixed liquid simultaneously, make mixing liquid generation enzyme digestion reaction, keep enzymolysis to stop after 2 ~ 3 hours stirring, be cooled to room temperature;
Step 5, the pulverizing former powder of at least 20 object humic acids and nitric acid, water are joined in another reactor in the ratio of 1:1:5, slowly be warming up to 130 ~ 150 DEG C, react and after 3 ~ 5 hours, supernatant liquor is separated, add potassium hydroxide, adjust PH to 6.0 ~ 7.0, after vacuum concentration evaporation, obtain concentrated potassium humate liquid;
Step 6, the liquid mixing that liquid step 5 obtained and step 4 obtain is even, in mixed liquid the title of each component and content as follows: 150g/L>=chitosan>=75g/L, 100g/L>=humic acids>=30g/L, 150g/L>=organic matter>=75g/L, 40g/L>=K
2o>=30g/L.
4. preparation method as claimed in claim 3, is characterized in that, in described step 4, keeps enzymolysis to stop after 2.5 hours stirring.
5. preparation method as claimed in claim 3, it is characterized in that, in described step 6, in liquid, add glycine and chelated iron and mix, the content of glycine in mixing liquid is 10 ~ 30g/L, and the content of chelated iron in mixing liquid is 1 ~ 5g/L.
6. preparation method as claimed in claim 3, it is characterized in that, the enzyme activity >=400U/mg of described cellulase, the enzyme activity >=330U/mg of ficin, hydrolysis temperature controls at 45 ~ 65 DEG C.
7. the preparation method as described in claim as arbitrary in claim 3 to 6, is characterized in that, the molecular weight of the chitosan solution that described step 4 obtains is greater than 900 and is less than 1100.
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Cited By (3)
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| CN106008081A (en) * | 2016-05-17 | 2016-10-12 | 四川新隆农业科技有限公司 | Restoring method for acidified soil |
| CN108997063A (en) * | 2018-07-06 | 2018-12-14 | 汪培杰 | One planting fruit-trees upgrading sugar-increasing agent and preparation method thereof |
| CN111635766A (en) * | 2020-06-11 | 2020-09-08 | 中国科学院沈阳应用生态研究所 | Method for acidifying soil conditioner by using vinasse production facility and application |
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Address after: 261108 Shandong City, Weifang province Binhai advanced manufacturing industrial park, Jiangxi incense street, No. two, No. 999 Applicant after: Shandong run Federal Agricultural Science and Technology Co., Ltd. Address before: Crossing the road 261041 in Shandong province Weifang city Kuiwei District No. 11 Weifang Runhua Biological Chemical Co. Ltd. Applicant before: Weifang Runhua Biological Chemical Co., Ltd. |
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Application publication date: 20150930 |