CN103553808B - Humic acid saline-alkali soil modifying agent and preparation method thereof - Google Patents
Humic acid saline-alkali soil modifying agent and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a soil conditioning agent, relates to a saline-alkali soil modifying agent, and particularly relates to a humic acid saline-alkali soil modifying agent mainly prepared from low-rank coal and a preparation method thereof. The technical problem to be solved is to provide the humic acid saline-alkali soil modifying agent which is capable of increasing the survival rate and the yield of crops in saline-alkali soil in season and obviously improving the granular structure of the soil and a preparation method thereof. According to the technical scheme, the saline-alkali soil modifying agent is prepared from the following raw materials in parts by weight: 100 parts of low-rank coal, 5-10 parts of urea, 10-15 parts of phosphate rock powder and 1-3 parts of fulvic acid plant growth regulator. The preparation method of the saline-alkali soil modifying agent comprises the following steps: mixing the raw materials, jointly grinding the raw materials into powder, uniformly mixing the raw materials so as to obtain mixed powder, reacting the mixed powder for 8-15 minutes at normal temperature under the effect of ultrasonic waves, pelleting the reacted powder and drying so as to prepare the humic acid saline-alkali soil modifying agent.
Description
Technical field
The present invention relates to soil conditioner, be specifically related to alkaline land modifying agent, humic acids alkaline land modifying agent of main preparation that to be a kind of in particular with low-rank coal be and preparation method thereof.
Background technology
Humic-acid kind soil improvement agent and humic acid fertilizer generally all think have to soil fertility and Soil structure have change enhancing or good action.Now, humic acid fertilizer is of a great variety, and humic-acid kind soil improvement agent is also that kind is numerous, and wherein, namely the application of humic acids in alkaline land modifying agent be an important problem.Mostly application at present for humic acids is its modification to make the soluble products such as ammonium humate, then is used further.Also have and directly to adopt humic acids, if many alkaline land modifying agents are exactly directly add low-rank coal to make; Although this way adds the organic content of soil on the surface, the fertility in fact for soil does not have or does not have practical function in a short time.
Humic acid fertilizer why this season weak effect, fertilizer efficiency is undesirable, and major cause is that humic acids is water insoluble.Fulvo acid refers generally to xanthohumic acid, or 1 valency salt of humic acids, nitro humic acid and xanthohumic acid may be dissolved in the part in water, and soluble components content in natural humic acid is little, there is no directly to be changed into by humic acids solubilized humic acids instead of oxidation regeneration in existing laborious transferring method yet or be converted into humate.
Low-rank coal is the main source of coal humic acid.China has abundant coal resources, and total reserves is about 6,000 hundred million tons, and wherein about 1/3 is low-rank coal, wherein about has 5,000,000,000 tons, peat, 1,265 hundred million tons, brown coal, weathered coal 60,000,000,000 tons.Low-rank coal is also referred to as low grade coal, and thermal value is on the low side, does not have fuel value, makes it be unsuitable for the fuel that is used as power, often by as waste in coal mining.Low-rank coal is the important source material that coal transforms and chemical process utilizes.For the utilization of low-rank coal in prior art, mainly it can be used as the raw material of coking, oil refining, gasification, low-temperature pyrolysis and chemical industry etc., the grading process such as wherein coking, oil refining, gasification, low-temperature pyrolysis are thorough for the utilization of low-rank coal, all can cause pollution in various degree to environment.
5.2 hundred million mu, China saltings, 2.6 hundred million mu of potential salinization soils, namely utilize improper meeting to cause secondary salinization of land.Low-rank coal area is rich in the regional Xinjiang that China's saltings area is larger, the Inner Mongol, Gansu, the Northeast, can suit measures to local conditions, and meets the transportation radius rule of fertilizer industry, is easy to large-scale industrial production.Other alkaline land modifying agent by adding biomass, storing the pollution that poultry manure likely causes soil, and is unsuitable for large-scale industrial production.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, and technical problem to be solved is to provide a kind of can raising saltings crop surviving rate and output and obviously improve the humic acids alkaline land modifying agent of soil aggregate and prepare the method for this humic acids alkaline land modifying agent by this season.Owing to containing a large amount of solubility humic acids composition easily absorbed by crops in this alkaline land modifying agent, crop desired nutritional composition is brought into simultaneously and is done in object by solubility humic acids composition, resistance and the dietetic alimentation ability of crop can be improved, thus improve this season surviving rate and the output of saltings crop.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, urea 5-10 part, ground phosphate rock 10-15 part, xanthohumic acid plant-growth regulator 1-3 part.
Described low-rank coal is weathered coal, brown coal or peat, and the humic acids content of described low-rank coal is preferably 30-60%.
The preparation method of described humic acids alkaline land modifying agent is: after described raw material mixing, co-ground powdering, raw material is mixed and obtains mixed powder, mixed powder is under ul-trasonic irradiation, normal temperature lower reaction times 8-15 minute, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
After described raw material mixing, be ground to 80-100 order.
The more priority method for preparing of described humic acids alkaline land modifying agent is: after described low-rank coal, urea and ground phosphate rock are pulverized mixing jointly, under ul-trasonic irradiation, 4-8 minute is reacted under normal temperature, then bicarbonate of ammonia and xanthohumic acid plant-growth regulator is added successively, after mixing, again under ul-trasonic irradiation, under normal temperature, react 2-8 minute, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
Described low-rank coal, urea and ground phosphate rock are crushed to 80-100 order.
Compared with prior art the present invention has following beneficial effect.
1, humic acids alkaline land modifying agent preparation method of the present invention adopts pulverulent material ultrasonic cavitation reaction method, chemical reaction is there is between raw material, the humic acids in low-rank coal is made to be converted into solubility humic acids, in the humic acids modifying agent product obtained, the content of solubility humic acids accounts for the proportion of humic acids total amount up to more than 70%; Solubility humic acids and nitrogen element and phosphoric chelating, form the chelating nitrogen and chelating phosphorus that are easy to be absorbed by plants and transport.Under the condition not adopting ultrasonic cavitation, in the product finally obtained, the content of solubility humic acids also can reach more than 30%.
2, humic acids alkaline land modifying agent of the present invention can be sowed with seed simultaneously; Also can transplant seedlings plantation time, spread manuer in holes with seedling; Or broadcast sowing rice terrace.Fulvo acid is very easily absorbed fast by root system of plant, improves degeneration-resistant (arid, freeze injury, salt damage) ability of plant.The macromolecular network structure of humic acids uniqueness effectively can reduce the injury of sodium ion to crop, and improve the resistance that crop is starved, this is that the humic acids be solidificated in low-rank coal cannot be accomplished.Simultaneously humic acids can retaining, water conservation, slow releasing nitrogenous fertilizer and phosphate fertilizer, while plant provides moisture and nutrition, effectively improve edatope, form the environment being suitable for microbial reproduction, thus improve soil microorganisms system further, improve Soil structure.
3, humic acids alkaline land modifying agent of the present invention does not directly adopt ammonium humate as raw material, and the content of ammonium humate is also few in the finished product, mainly the humic acids molecule of solubility and the inner complex with nitrogen element and phosphoric thereof, decrease volatilization and the loss of nitrogenous fertilizer fertilizer; Make the phosphorus in ground phosphate rock form available phosphorus, the transfer ability to plant of phosphorus humic acid phosphorus, far above inorganic phosphorus, is distinguished very large with traditional humic acid fertilizer; And humic acids alkaline land modifying agent of the present invention is owing to transforming humic acids molecule, compared with directly adding humic acids with tradition, greatly improve the utilization ratio of humic acids, better effects if larger for the edatope effect improving saltings.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 9 parts, urea, 8 parts, bicarbonate of ammonia, 15 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 3 parts;
Adopt and prepare with the following method:
Described low-rank coal, urea and ground phosphate rock are crushed to 85 orders jointly, after mixing, under ul-trasonic irradiation, react 5 minutes under normal temperature, then add bicarbonate of ammonia and xanthohumic acid plant-growth regulator successively, after mixing, again under ul-trasonic irradiation, react 2 minutes under normal temperature, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
Embodiment 2
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 7 parts, urea, 7 parts, bicarbonate of ammonia, 14 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 3 parts;
Adopt and prepare with the following method:
After described raw material mixing, co-ground to 80 order, makes raw material mix and obtains mixed powder, and mixed powder, under ul-trasonic irradiation, in 10 minutes normal temperature lower reaction times, by reacted powder through granulation, oven dry, makes humic acids alkaline land modifying agent.
Embodiment 3
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 6 parts, urea, 5 parts, bicarbonate of ammonia, 11 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 2 parts;
Adopt and prepare with the following method:
Described low-rank coal, urea and ground phosphate rock are crushed to 95 orders jointly, after mixing, under ul-trasonic irradiation, react 8 minutes under normal temperature, then add bicarbonate of ammonia and xanthohumic acid plant-growth regulator successively, after mixing, again under ul-trasonic irradiation, react 8 minutes under normal temperature, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
Embodiment 4
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 5 parts, urea, 8 parts, bicarbonate of ammonia, 10 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 1 part;
Adopt and prepare with the following method:
Described low-rank coal, urea and ground phosphate rock are crushed to 80 orders jointly, after mixing, under ul-trasonic irradiation, react 4 minutes under normal temperature, then add bicarbonate of ammonia and xanthohumic acid plant-growth regulator successively, after mixing, again under ul-trasonic irradiation, react 6 minutes under normal temperature, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
Embodiment 5
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 8 parts, urea, 10 parts, bicarbonate of ammonia, 15 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 2 parts;
Adopt and prepare with the following method:
After described raw material mixing, co-ground to 90 order, makes raw material mix and obtains mixed powder, and mixed powder, under ul-trasonic irradiation, in 15 minutes normal temperature lower reaction times, by reacted powder through granulation, oven dry, makes humic acids alkaline land modifying agent.
Embodiment 6
A kind of humic acids alkaline land modifying agent, comprises the raw material of following weight distribution ratio: low-rank coal 100 parts, 10 parts, urea, 10 parts, bicarbonate of ammonia, 12 parts, ground phosphate rock, xanthohumic acid plant-growth regulator 3 parts;
Adopt and prepare with the following method:
After described raw material mixing, co-ground to 100 order, makes raw material mix and obtains mixed powder, and mixed powder, under ul-trasonic irradiation, in 8 minutes normal temperature lower reaction times, by reacted powder through granulation, oven dry, makes humic acids alkaline land modifying agent.
Experiment one
Under salt stress, humic acids alkaline land modifying agent is on the impact of corn seedling
Select the corn kernel that seed size is suitable, respectively with distilled water and 400 mg/kg humic acids alkaline land modifying agents seed soaking 24h, nutrient solution based on Hoagland ' the s nutritive medium containing different concns NaCl, artificial climate incubator (equipment company limited of Haier produces BHRQH-300H), cultivating 24h in 20 DEG C of dark, to be placed on temperature be 25/15 DEG C, illumination 66%, cultivates in the incubator of 12 h/ d.Observe number of shoots (growing more than 3mm for germination standard with plumule) every day, calculate rate of emergence, germinating energy, germination index, vitality index.
Calculation formula is as follows:
Seed germination rate=(seed number of having germinateed in 7 days/all seed number) × l00%
Germinating energy=(seed number of having germinateed in 3 days/all seed number) × l00%
Germination index (CI)=∑ (Ct/Dt)
In formula: CI: germination index ∑: summation Ct: at the number of shoots Dt of t days: be germination number of days
Vitality index (VI)=CI × S
In formula: S certain period (7 days) interior seedling length (cm)
Germination instauration rate=(going to coerce rear seed germination number/residue seed number) × 100%
The height ruler of seedling measures, and intercepts and captures method measure root length with straight line.
The percentage of germination of maize under NaCl stress, germinating energy, germination index and vitality index are as shown in table 1, no matter are in home or under salt stress, the corn of humic acids alkaline land modifying agent seed soaking is all the corn of above-mentioned various index higher than water logging kind.Humic acids alkaline land modifying agent is soaked seed, and can improve germination period corn in the sprouting of normal condition and maize under NaCl stress and growth.Improve the salt tolerance of germination period corn under salt stress.
Experiment two
Humic acids alkaline land modifying agent is on the impact of enzymic activity in Corn
(1) impact of humic acids alkaline land modifying agent seed soaking on corn SOD activity in tri-leaf period
Humic acids alkaline land modifying agent through different concns is soaked seed, tri-leaf period corn SOD activity in table 2, the results of analysis of variance is in table 3 ~ 4.Corn is after the humic acids alkaline land modifying agent seed soaking of 300mg/kg, 400mg/kg, 500mg/kg, and at normal temperatures, SOD is active almost identical with contrast, does not have significant difference.After low temperature stress, the SOD specific activity of corn seedling declines before coercing all to some extent, but through the corn of humic acids alkaline land modifying agent seed soaking, SOD fall is lower than contrast.Wherein potassium humate strength of solution be 300 mg/kg reach conspicuous level, 500 mg/kg reach pole conspicuous level, and the slightly high but there was no significant difference of the ratio of 400 mg/kg contrast.Under adverse environmental factor, plant interior free yl produces and is damaged with removing balance, and free radical accumulates, and causes membrane damage.Namely one of radical pair biomembrane damage mechanism be that it can start peroxidation of membrane lipids.SOD is exactly one of enzyme being present in most important elimination free radical in vegetable cell.The major function of SOD removes O
2 -, i.e. 2O
2 -+ 2H
+→ H
2o
2+ O
2.The winter resistance of corn can be enhanced after potassium humate solution seed soaking by experiment.
(2) impact of humic acids alkaline land modifying agent seed soaking on corn POD activity in tri-leaf period
Humic acids alkaline land modifying agent through different concns is soaked seed, tri-leaf period corn POD activity in table 5, the results of analysis of variance is in table 6 ~ 7.At normal temperatures, through the corn of 400 mg/kg, 500 mg/kg concentration humic acids alkaline land modifying agent seed soaking, POD is active in contrast, but the corn of 300 mg/kg humic acids alkaline land modifying agent seed soaking is lower than contrast.Wherein humic acids alkaline land improving agent concentration is the reduction of 300mg/kg and reaches pole conspicuous level, and the contrast of the ratio of 400mg/kg, 500mg/kg raises and reaches pole conspicuous level.After low temperature stress, the POD activity of contrast corn seedling has almost no change, and significantly increases before the POD specific activity of the corn seedling of humic acids alkaline land modifying agent seed soaking is coerced.Wherein humic acids alkaline land improving agent concentration be 300 mg/kg, 400mg/kg reach pole conspicuous level, and the slightly high but there was no significant difference of the ratio of 500mg/kg contrast.SOD scavenging free radicals O
2 -after product H
2o
2also be a kind of free radical, the H in cell
2o
2can be reacted by Haber-Weiss: O
2 -+ H
2o
2→ OH
-+ OH+O
2or Fenton reaction: Fe
2++ H
2o
2→ Fe
3++ OH
-+ OH produces more free radical.POD has decomposing H
2o
2effect, make Biological Free Radicals maintain a low-level.
(3) impact of humic acids alkaline land modifying agent seed soaking on corn C AT activity in tri-leaf period
Humic acids alkaline land modifying agent through different concns is soaked seed, tri-leaf period corn C AT activity in table 8, the results of analysis of variance is in table 9 ~ 10.At normal temperatures through the corn of 400mg/kg, 500 mg/kg concentration humic acids alkaline land modifying agent seed soaking, CAT is active in contrast, and the CAT of 300 mg/kg humic acids alkaline land modifying agent seed soaking corns is active identical with contrast.Wherein humic acids alkaline land improving agent concentration be 400 mg/kg, the rising of 500 mg/kg reach pole conspicuous level, and the slightly low but there was no significant difference of the ratio of 300 mg/kg contrast.After low temperature stress, compared with the control, humic acids alkaline land improving agent concentration be 300 mg/kg reach conspicuous level, 500 mg/kg reach pole conspicuous level, and the slightly rising of 400 mg/kg but there was no significant difference.And contrast before CAT specific activity is coerced and obviously decline, the corn of 300 mg/kg humic acids alkaline land modifying agent seed soaking, CAT active with coerce before substantially identical, the corn of 400 mg/kg, 500 mg/kg humic acids alkaline land modifying agent seed soaking, although CAT is active in before coercing, fall is far below contrast.CAT also has decomposing H
2o
2effect, therefore make SOD, POD, CAT activity keep harmonious, free radical just can be made to maintain a lower level.
(4) impact of humic acids alkaline land modifying agent seed soaking on corn MDA content in tri-leaf period
Humic acids alkaline land modifying agent through different concns is soaked seed, tri-leaf period corn MDA content in table 11, the results of analysis of variance is in table 12 ~ 13.At normal temperatures, the MDA content of different concns humic acids alkaline land modifying agent seed soaking corn is substantially identical with contrast, does not have significant difference.After low temperature stress, contrast MDA content significantly increases.Through the corn of 300 mg/kg humic acids alkaline land modifying agents seed soaking, MDA content is substantially identical with under normal temperature, 400mg/kg lower than before coercing, 500mg/kg higher than before low coercing, but all lower than contrast, reach pole conspicuous level.MDA can be cross-linked lipid, carbohydrate, nucleic acid and protein, thus causes bad impact to the structure and function of film further.MDA can feedback inhibition SOD active and irreversible, cause the vicious cycle that SOD activity decrease and MDA accumulate.Thus the generation of MDA understands environment stress to the important physical signs of microbial film hazard rating.It is active that this illustrates that potassium humate process enhances film enzymatic protective system, Lipid peroxidation metabolism degree alleviated, weakens the injury of low temperature to film.
In sum; the cold resistant part physiological mechanism that the seed soaking of humic acids alkaline land modifying agent improves corn is: reduce Lipid peroxidation metabolism degree by strengthening the activity of membrane protective enzyme; Lipid peroxidation metabolism product MDA content is reduced; thus cell membrane and protoplastis produce provide protection; the stability of film is strengthened, slows down the damage of cytolemma under low temperature stress.Experiment proves, humic acids alkaline land modifying agent is used for seed soaking as growth regulator, can improve plant cold resistance.
Experiment three
Humic acids alkaline land modifying agent is on the impact of soil
(1) use humic acids alkaline land modifying agent in a large number for a long time, the formation of soil agreegate can be promoted.Soil agreegate is the fundamental unit of Soil structure, and it is the larger grogs be bonded to by the organic and inorganic limbs such as soil humus and clay by single grogs.It is not fugitive that good coacervate meets water, is subject to mechanical pressure non-friable, loose porous, can regulate the water of soil, the cheek, gas, thermal conditions.Coal humic acid is as a kind of organic colloid, and long-term application can promote the formation of soil aggressiveness, improves the constructional aspect of soil, makes soil aeration, water permeability well, is the drip washing and the root growth and development that accelerate soluble salt, creates good condition.The soda salinization rice soil in such as Xinjiang Miquan county, after using humic acids alkaline land modifying agent, is greater than the content of the water-stable aggregate of 0.25mm, significantly higher than the soil not executing humic acids alkaline land modifying agent at continuous 3 years in soil.Other, as proterties such as soil air content, moisture penetration speed, redox potentials, all makes moderate progress, in table 14.
(2) the native saltiness of table is reduced
Concentrate and use humic acid substance, topsoil soils of can loosening, destroy salinity along the old condition risen with moisture of soil capillarity pore, reduce the accumulation of the native salinity of table, reduce the native saltiness of table, play the effect of " every salt ".The spring wheat test of Zhangbei County, Hebei province shows, concentrate the rotten ammonium (100 kgs/acre) of ditch spread, in the table soil of 0-5cm, the minimizing 1/3rd that total salt quantity is not executed, its intermediate ion also declines significantly, in table 15.
Acted on by " every the salt " that gives humic acid substance, the saline and alkaline harm to crop seedling can be alleviated, improve seedling rate, reduce weak seedling and dead seedling.The spring wheat of humic acids alkaline land modifying agent is executed in Zhangbei County, and substantially than many 50 kgs/acre that do not execute, seedling rate is high by 20%.
(3) soil exchange capacity is improved
Humic acids has higher cation exchange capacity, higher than general soil more than 10 times.After using humic acids alkaline land modifying agent, make soil to Ca
20, Mg
2+significantly improve Deng divalent cation adsorptive power, under the condition having suitable moisture drip washing, correspondingly accelerate Na in the soil solution
+, Cl
onedeng drip washing speed, top layer salt content is reduced gradually, and salt is grouped into and significantly change occurs.Within continuous 2 years on soda salinization rice soil, use humic acids alkaline land modifying agent, top layer C0
3 2-', HCO
-, Cl
onecontent reduces, and sodium basicity obviously reduces, and concrete effect is in table 16.
(4) potential of hydrogen (pH value) of saline-alkali soil is reduced
Saline-alkali soil is alkaline earth pH value too high (more than 9.0) particularly, and the growth of direct damage to crops, even causes plant death.The validity of the nutritive element such as the too high phosphorus also had influence in soil of pH, iron, manganese, boron, zinc in addition.On the saline-alkali soil that alkalescence is stronger, use humic acids alkaline land modifying agent, humic acids wherein can neutralize alkalescence, and soil pH value is reduced.The result of study in laboratory shows, the amount of application of humic acids alkaline land modifying agent is the l0% that soil is heavy, soil pH value can be made to reduce to about 8.0 by 9.0, alleviate or eliminate the harm of surface soil alkalinity.The data of table 16 show, on soda salinization rice soil, 2 years continuous administration humic acids alkaline land modifying agents, soil pH value reduces to 8.6 by 9.2, and the survival rate of seedlings after rice transplanting increases substantially.
Soil physical and chemical property can be improved owing to using humic acids alkaline land modifying agent, suppress salinity to rise, sweetening of the soil alkalescence, by reducing perniciousness harm to cationic absorption, for crop seedling growth creates good edaphic condition, low yield saline-alkali soil is improved.
The present invention can summarize with other the specific form without prejudice to spirit of the present invention or principal character.Therefore, no matter from that, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit invention, claims indicate scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
The present invention can summarize with other the specific form without prejudice to spirit of the present invention or principal character.Therefore, no matter from that, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit invention, claims indicate scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (6)
1. a humic acids alkaline land modifying agent, is characterized in that the raw material comprising following weight: low-rank coal 100 parts, urea 5-10 part, bicarbonate of ammonia 5-10 part, ground phosphate rock 10-15 part, xanthohumic acid plant-growth regulator 1-3 part;
Preparation method is: after described raw material mixing, co-ground powdering, makes raw material mix and obtain mixed powder, mixed powder is under ul-trasonic irradiation, normal temperature lower reaction times 8-15 minute, by reacted powder through granulation, oven dry, makes humic acids alkaline land modifying agent.
2. a kind of humic acids alkaline land modifying agent according to claim 1, is characterized in that described low-rank coal is weathered coal, brown coal or peat.
3. a kind of humic acids alkaline land modifying agent according to claim 1, is characterized in that the humic acids content of described low-rank coal is 30-60%.
4. a kind of humic acids alkaline land modifying agent according to claim 1, is characterized in that: after described raw material mixing, be ground to 80-100 order.
5. a preparation method for humic acids alkaline land modifying agent, is characterized in that comprising the steps:
Batching: low-rank coal 100 parts, urea 5-10 part, bicarbonate of ammonia 5-10 part, ground phosphate rock 10-15 part, xanthohumic acid plant-growth regulator 1-3 part;
Preparation: after described low-rank coal, urea and ground phosphate rock are pulverized mixing jointly, under ul-trasonic irradiation, 4-8 minute is reacted under normal temperature, then bicarbonate of ammonia and xanthohumic acid plant-growth regulator is added successively, after mixing, again under ul-trasonic irradiation, under normal temperature, react 2-8 minute, by reacted powder through granulation, oven dry, make humic acids alkaline land modifying agent.
6. the preparation method of a kind of humic acids alkaline land modifying agent according to claim 5, is characterized in that: described low-rank coal, urea and ground phosphate rock are crushed to 80-100 order.
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| CN109943344A (en) * | 2019-04-13 | 2019-06-28 | 山西能源学院 | A kind of yam planting special-purpose soil modifying agent and preparation method |
| CN113207908A (en) * | 2021-06-04 | 2021-08-06 | 广东海洋大学 | Preparation and application method of saline-alkali-resistant rice seed initiator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504441A (en) * | 2002-12-03 | 2004-06-16 | 郭新文 | Fulvic acid complex fertilizer |
| CN101417904A (en) * | 2008-11-20 | 2009-04-29 | 山东省农业科学院土壤肥料研究所 | Weathered coal soil salinization modifying agent and preparation method thereof |
| CN101768031A (en) * | 2009-12-30 | 2010-07-07 | 马增禄 | Preparation method of humic acid organic fertilizer |
-
2013
- 2013-11-07 CN CN201310546681.7A patent/CN103553808B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504441A (en) * | 2002-12-03 | 2004-06-16 | 郭新文 | Fulvic acid complex fertilizer |
| CN101417904A (en) * | 2008-11-20 | 2009-04-29 | 山东省农业科学院土壤肥料研究所 | Weathered coal soil salinization modifying agent and preparation method thereof |
| CN101768031A (en) * | 2009-12-30 | 2010-07-07 | 马增禄 | Preparation method of humic acid organic fertilizer |
Non-Patent Citations (1)
| Title |
|---|
| 成绍鑫.高效植物生长调节剂(FA-3)及其液肥(FA-L).《腐植酸》.2000,(第3期),48. * |
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