CN105859473A - Water-soluble fertilizer for sandy-land Medicago satica grassland, preparation method for water-soluble fertilizer and use of water-soluble fertilizer - Google Patents
Water-soluble fertilizer for sandy-land Medicago satica grassland, preparation method for water-soluble fertilizer and use of water-soluble fertilizer Download PDFInfo
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- CN105859473A CN105859473A CN201610178574.7A CN201610178574A CN105859473A CN 105859473 A CN105859473 A CN 105859473A CN 201610178574 A CN201610178574 A CN 201610178574A CN 105859473 A CN105859473 A CN 105859473A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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Abstract
The invention discloses a water-soluble fertilizer for sandy-land Medicago satica grassland, a preparation method for the water-soluble fertilizer and use of the water-soluble fertilizer, relates to the field of fertilizers and particularly relates to the field of water-soluble fertilizers. The water-soluble fertilizer contains an organic fertilizer raw material, a macro-element inorganic fertilizer raw material, a micro-element inorganic fertilizer raw material and an additive, wherein the organic fertilizer raw material is potassium fulvate, and the additive is a water-soluble fertilizer activator. According to the water-soluble fertilizer provided by the invention, the integration of water and fertilizer in the production of Medicago sativa and the fine management on the water and fertilizer of the Medicago sativa can be achieved, the balanced absorption of micro-elements is promoted, the resistance of the Medicago sativa is improved, the yield and quality of the sandy-land Medicago sativa can be improved, the preparation method is simple, the raw materials are readily available, and the cost is low.
Description
Technical field
The present invention relates to fertilizer field, particularly relate to a kind of water soluble fertilizer for sand ground alfalfa grasslands.
Technical background
Alfalfa (Medicago satica L.) is that China's distribution is the widest, cultivation history at most, economic worth
The highest leguminous forage, is described as " King of Pasture ".Alfalfa is to promoting save-grain animal husbandry development and improving
Milk unit yield, ensures that milk quality has important function.
Alfalfa intensive cropping district of current China is mainly on the sand ground that the content of organic matter is extremely low.Plantation enterprise
Seldom soil application fertilizer is improved in order to cost-effective, but use substantial amounts of inorganic fertilizer especially nitrogenous fertilizer
Promoting the lifting of yield, ignoring alfalfa is the natural law that leguminous forage can carry out biological nitrogen fixation.This
The fertilizing management of sample causes Alfalfa Meadow resistance to decline, and the sustainable use time limit reduces, and exists serious simultaneously
Risk of environmental pollution.
The result of China's alfalfa main producing region nutrient status investigation shows, trace element deficiency phenomenon is very universal,
On the one hand think little of due to Producer, be on the other hand exactly that fertilizer composition collocation is unreasonable, do not follow nutrition unit
Antagonism and the relation of promotion between element.Such as, within the specific limits increase soil available phosphorus content can promote magnesium,
The absorption of molybdenum, but can limit copper, ferrum, the absorption of zinc element；Increase available potassium, then can reduce calcium, the absorption of magnesium,
Therefore fertilizer component is reasonably combined particularly important for alfalfa growing management.
Be currently used for the fertilizer of alfalfa grasslands and be all conventional composite chemical fertilizer, generally with N,P,K fertilizers and
Organic matter is prepared from for raw material, can dramatically increase yield and the quality of middle-and-low-yielding fields alfalfa, but, by
Organic matter and micronutrient levels in Sandy Soil are relatively low, nutrients ratio is unbalanced, especially trace element
Ratio, ignores the collaborative and Competition between nutrient ions, causes plant nutrient to absorb unbalanced, fertilizer profit
Low by rate, the wasting of resources, especially when sand ground uses, easily cause underground water pollution.
Summary of the invention
Unbalanced in order to solve Herba Medicaginis nutrition in existing fertilizer practice, Alfalfa Output and quality are low, utilize
The time limit is short, and fertilizer cost is high, and utilization rate of fertilizer is low, easily causes the technical problem of environmental pollution, and the present invention carries
For a kind of water soluble fertilizer for sand ground alfalfa grasslands and preparation method thereof, the water soluble fertilizer that the present invention provides
Not only can realize the balance fertilizing of alfalfa grasslands, efficiently utilize, it is also possible to improve the winter cabbage of Herba Medicaginis, from
And improve the yield and quality of Herba Medicaginis, improve the utilization periods of Herba Medicaginis.
For realizing the purpose of the present invention, one aspect of the present invention provides a kind of water solublity for sand ground alfalfa grasslands fertile
Material, including organic fertilizer raw material, a great number of elements inorganic fertilizer raw material, trace element inorganic fertilizer raw material and additive；
Wherein, the effective ingredient of described organic fertilizer raw material is potassium fulvate；
Wherein, described additive is Water soluble fertilizer activating agent；
Wherein, described potassium fulvate, inorganic fertilizer raw material with the weight part ratio of Water soluble fertilizer activating agent are:
Preferably, described potassium fulvate, the weight portion of inorganic fertilizer raw material and coagulation-prevention agent, Water soluble fertilizer activating agent are joined
Than being:
It is further preferred that described potassium fulvate, inorganic fertilizer raw material and coagulation-prevention agent, the weight of Water soluble fertilizer activating agent
Amount part proportioning is:
Particularly, the effective ingredient by weight hundred of the water soluble fertilizer for sand ground alfalfa grasslands that the present invention provides
Proportion by subtraction meter includes:
Preferably, its effective ingredient includes by weight percentage:
It is further preferred that its effective ingredient includes by weight percentage:
Wherein, described a great number of elements inorganic fertilizer raw material is the mixture of MAP, potassium nitrate, carbamide.
Wherein, described trace element inorganic fertilizer raw material is the mixture of copper sulfate, zinc sulfate, boric acid and manganese sulfate.
Especially, described organic fertilizer raw material with composition a great number of elements inorganic fertilizer raw material mixture, composition trace unit
The mixture of element inorganic fertilizer raw material, and the weight of additive is:
Preferably, described organic fertilizer raw material with composition a great number of elements inorganic fertilizer raw material mixture, composition trace unit
The mixture of element inorganic fertilizer raw material, and the weight of additive is:
It is further preferred that described organic fertilizer raw material and the composition mixture of a great number of elements inorganic fertilizer raw material, composition
The mixture of trace element inorganic fertilizer raw material, and the weight of additive is:
Particularly, described zinc sulfate is zinc sulphate heptahydrate, and described manganese sulfate is manganese sulfate monohydrate, described copper sulfate
For copper sulphate pentahydrate.
Wherein, described Water soluble fertilizer activating agent is dodecylbenzene sodium sulfonate.
Wherein, in described organic fertilizer raw material, the content of potassium fulvate is 80-100%.
Preferably, in described organic fertilizer raw material, the content of potassium fulvate is 90-100%
For realizing the purpose of the present invention, further aspect of the present invention provides a kind of sand ground alfalfa grasslands water soluble fertilizer
Preparation method, comprises the following steps:
1) raw material is got the raw materials ready by following weight
2) by raw material potassium fulvate, MAP, potassium nitrate, carbamide, zinc sulfate, copper sulfate, boric acid,
Manganese sulfate, Water soluble fertilizer activating agent, stir process makes mix homogeneously, to obtain final product.
Particularly, step 2) it is first copper sulfate, zinc sulfate, boric acid, manganese sulfate and Water soluble fertilizer activating agent to be mixed
After uniformly, then be added thereto to MAP, potassium nitrate, carbamide mix, and finally add fulvic acid
Potassium mixes.
Advantages of the present invention:
1, low due to the content of organic matter of Sandy Soil, nutrient is few, and has antagonism and promotion between nutrient ions
Effect so that the absorption of mineral element can not on-demand be carried out by plant, and the application adopts based on alfalfa growing feature
With containing Different Weight percentage ratio proportioning containing nitrogen, phosphorus, potassium, copper, zinc, boron, sulfur, the nothing of manganese element
Machine fertilizer raw material, and using potassium fulvate as organic fertilizer raw material, make Herba Medicaginis needed for Sandy Soil balancedly absorbs it
Mineral matter nutritional, it is ensured that the yield and quality of Herba Medicaginis.
2, present invention utilizes there is the potassium fulvate fertilizer of good aqueous solubility, add inorganic fertilizer and water-soluble
After property activating agent, define the full water-soluble being applicable to alfalfa growing feature containing organic nutrient and inorganic nutrients
Fertilizer.The water soluble fertilizer enabling the application to provide is the most soluble in water, it is easier to absorbed by crops, absorbs
Utilization rate is high, it is adaptable to the industrialized agricultures such as spray drop filling, it is achieved water-fertilizer integral, reaches water-saving and saves the effect of fertile saving of labor
Can, the precision agriculture for alfalfa cultivation provides basis.
3, application of, due to Sandy Soil, the water soluble fertilizer that the application provides so that Herba Medicaginis can at sand ground just
Being frequently grown, its yield and quality does not all have to reduce in sand ground environment, it is seen then that the water solublity that the application provides is fertile
Material not only provides the adequate nutrients making its normal growth for Herba Medicaginis, and for effectively utilizing sand ground, fixing sand ground
Serve important function, the soil erosion of suppression Sandy Soil, Revegetation of Eco-environment.
4, the fertilizer that the present invention provides, has taken into account alfalfa nutritional need and Different Nutrients this season utilization rate,
Especially reduce nitrogen share, promote alfalfa biological nitrogen fixation, increase potassium element share, improve alfalfa
Resistance capacity, extends the utilization periods of alfalfa.
5, the fertilizer that the present invention provides, preparation is simple, and raw material is easy to get, can intensive manufacture on a large scale, just
In popularization and application.
Detailed description of the invention
Further describe the present invention, advantages of the present invention and feature below in conjunction with specific embodiment to will be with retouching
State and apparent.But these embodiments are only exemplary, the scope of the present invention is not constituted any restriction.
It will be understood by those skilled in the art that can be to skill of the present invention under without departing from the spirit and scope of the present invention
The details of art scheme and form are modified or replace, but these amendments and replacement each fall within the protection model of the present invention
In enclosing.
Potassium fulvate, MAP, potassium nitrate and carbamide used herein are powder commercially available prod；Sulfur
Acid copper, zinc sulfate, boric acid, manganese sulfate are the commercially available prod of technical grade powder, and wherein, zinc sulfate is seven
Water zinc sulphate, manganese sulfate be manganese sulfate monohydrate, copper sulfate be copper sulphate pentahydrate, Water soluble fertilizer activating agent be dodecane
Base benzene sulfonic acid sodium salt.
Embodiment 1
1, get the raw materials ready
A great number of elements inorganic fertilizer raw material is pressed MAP 330 parts, potassium nitrate 220 parts, 50 parts of carbamide, micro-
Secondary element inorganic fertilizer raw material sulphuric acid copper 20,28 parts of zinc sulfate, manganese sulfate 30.1 parts, boric acid 2.45 parts and
Fertilizer potassium fulvate 300 parts weighing is standby.
2, mix
After the trace element inorganic fertilizer of weighing and the Water soluble fertilizer activating agent mix homogeneously of 1 part, then add wherein
Enter a great number of elements inorganic fertilizer weighed, after mix homogeneously, be eventually adding potassium fulvate and mix, the most handy
Water soluble fertilizer in alfalfa grasslands.
Embodiment 2
Except inorganic fertilizer raw material being pressed MAP 315 parts, potassium nitrate 224 parts, 54 parts of carbamide, copper sulfate
8 parts, 34 parts of zinc sulfate, manganese sulfate 25 parts, boric acid 4 parts, outside fertilizer potassium fulvate 400 parts.
Other is same as in Example 1.
Embodiment 3
Except inorganic fertilizer raw material being pressed MAP 384 parts, potassium nitrate 210 parts, 61 parts of carbamide, copper sulfate
12 parts, 26 parts of zinc sulfate, manganese sulfate 33 parts, boric acid 3.8 parts, outside fertilizer potassium fulvate 350 parts,
Other is same as in Example 1.
Embodiment 4
Except inorganic fertilizer raw material being pressed MAP 365 parts, potassium nitrate 211.8 parts, 48 parts of carbamide, copper sulfate
9 parts, 30 parts of zinc sulfate, manganese sulfate 32 parts, boric acid 4.2 parts, outside fertilizer potassium fulvate 300 parts,
Other is same as in Example 1.
Test example
Tests below example is all carried out in the proving ground of Alukeerqin Banner, Chifeng City, locality year sunshine time
2760-3030 hour, annual accumulated temperature 2900～3400 DEG C, average annual rainfall 300-400 millimeter, frost-free period
95-140 days, belong to typical continent type weather；Soil is chestnut soil, and its physicochemical property is as shown in table 1；Test
Time is in July ,-2014 in June, 2014；With the alfalfa of Kang Sai kind as experimental cultivar, test
Being set to process group and matched group, wherein process group 1 uses the fertilizer prepared by embodiment 1, is designated as T1, place
Reason group 2 uses the fertilizer prepared by embodiment 2, is designated as T2, process group 3 is used prepared by embodiment 3
Fertilizer, is designated as T3, process group 4 uses the fertilizer prepared by embodiment 4, be designated as T4,；Matched group 1 is not executed
Fertilizer, is designated as CK1；Matched group 2 is carbamide that weight part ratio is 30:1 and the micro-fertilizer based on zinc fertilizer, is designated as
CK2；Totally 6 test group, each test group arranges 3 repetitions, altogether 18 test units；Application process
For cradling latter 15 days for the first time, in conjunction with sprinkling irrigation, utilize fertilizing box that medicinal liquid uniformly pumps into spray irrigation system.Except right
Only irrigating according to group 1 outside not applying fertilizer, other processes amount of application and is 3kg/ mu.
Table 1 soil physico-chemical property data
As shown in Table 1, test Soils In The Region is in neutral meta-alkalescence, and the content of organic matter is low, available nitrogen, available phosphorus
Medium with quick-acting potassium content.
Test example Alfalfa Output and the mensuration of quality and analysis
1 growth indexes measures
Before cradling, measure the height (fixed observer measures) of plant, and density, the knot recorded with ruler
Fruit is as shown in table 2.
2, the mensuration of Alfalfa Output and plant tissue sample collection
When Herba Medicaginis is in initial bloom stage (alfalfa plants of blooming account for total plant number 10% time), use diagonally opposing corner three
Point selection method selects three representative sampling points, and in the sample prescription frame of 1m × 1m, flush with ground cradles, and surveys
Determining fresh weight, measurement result is shown in Table 5；Reselection about 300-400 strain alfalfa plants, hanging, from canopy top
Intercepting with rustless steel shears at the downward 15cm in portion, bottom branch is abandoned, and intercepts respectively in each sample prescription of labelling
Alfalfa plants sample, is placed in laboratory and falls surface irregularities with distilled water flushing, inhales with absorbent paper (i.e. filter paper)
Solid carbon dioxide divides, and puts into baking oven and dries to constant weight (general drying time is 48 hours) with 65 DEG C, send Beijing agricultural
Academy of science's plant nutrient detects with central laboratory of the Study on Resources institute, and testing index includes that full nitrogen N (adopts
With Kjeldahl's method), full phosphorus P (use vanadium molybdenum Huang colorimetric method for determining), full potassium K (use flame spectrometry to survey
Fixed), calcium Ca, magnesium Mg, sulfur S, ferrum Fe, manganese Mn, copper Cu, zinc Zn (use nitric acid-perchloric acid to clear up
After method, Coupled Plasma-Atomic Emission Spectrometric Determination), boron (after using dry ashing method, uses plasma emissioning light
Spectrometry), 12 kinds of life such as molybdenum Mo (use sampling Graphite Furnace Atomic Absorption light emission luminosity method measure) must element
Content and crude protein content CP (employing Kjeldahl method), acid detergent fiber (ADF) and neutral detergent fiber (NDF),
Measurement result is shown in Table 3, table 4 and table 5.
Table 2 Herba Medicaginis plant height and Density measurements
| T1 | T2 | T3 | T4 | CK1 | CK2 | |
| Plant height (cm) | 74.12 | 70.3 | 76.3 | 69.69 | 48.6 | 57.22 |
| Density (strain/m2) | 471.72 | 460.3 | 468.51 | 457.3 | 268.14 | 509.83 |
Table 3 alfalfa plant nutritional labeling (canopy)
| T1 | T2 | T3 | T4 | CK1 | CK2 | |
| Plant nitrogen % | 4.68 | 4.34 | 4.81 | 4.7 | 3.18 | 4.68 |
| Plant phosphorus % | 0.514 | 0.49 | 0.52 | 0.57 | 0.298 | 0.483 |
| Potassium of plants % | 2.56 | 2.7 | 2.41 | 2.19 | 2.17 | 1.96 |
| Calcium in Plants % | 2.24 | 2.05 | 2.34 | 2.83 | 2.17 | 2.17 |
| Plant magnesium % | 0.473 | 0.41 | 0.38 | 0.35 | 0.207 | 0.479 |
| Plant sulfur % | 0.415 | 0.39 | 0.42 | 0.38 | 0.189 | 0.426 |
| Plant iron ppm | 158 | 200 | 130 | 110 | 137 | 138 |
| Plant manganese ppm | 65.1 | 60.1 | 80.1 | 70.2 | 28.4 | 54.4 |
| Plants Copper ppm | 10.79 | 10.05 | 11.2 | 9.1 | 2.87 | 6.72 |
| Plant zinc ppm | 28.1 | 24.1 | 50.1 | 53 | 11.9 | 28.9 |
| Plant Boron ppm | 52.1 | 70 | 62.1 | 49.1 | 28.9 | 39.9 |
| Plant molybdenum ppm | 1.38 | 1.18 | 1.58 | 1.01 | 0.79 | 0.90 |
As shown in table 3, " Alfalfa can be published in 2011 with reference to agronomy committee of the U.S., Crop Science meeting and agrology
Management Guide " (Herba Medicaginis administration guide) alfalfa plants nutrient diagnosis grade scale, it is known that,
Only using the fertilizer of the application offer, in Herba Medicaginis crop, a great number of elements and trace element may be in substantially
In enough or enough critical fields, illustrating that the water soluble fertilizer utilization rate that the application provides is high, beneficially plant is high
Effect absorbs.
Although additionally, the application provide fertilizer component in nitrogen is less, potassium is plain more and do not comprise molybdenum, magnesium,
The nutrients such as ferrum, but a great number of elements in plant tissue sample and trace element are still in basic enough or enough
Critical field in explanation the application provide fertilizer take full advantage of interionic antagonism and facilitation, promote
The absorption of alfalfa plant centering trace element, and make himself nitrogen fixing capacity to have fully met himself institute
Needing, robust growth, high-output stress-resistance, even if making can also normally grow at barren sand ground.
Table 4 alfalfa quality measurement result (Herb)
Herba Medicaginis nutrition measuration result as shown in table 4, with reference to " U.S.'s leguminous forage Hay quality standard ", makes
With the Herba Medicaginis water soluble fertilizer of the application, crude protein (CP) content all more than 20%, acid detergent fiber (ADF)
Less than 30%, neutral detergent fiber (NDF) less than 36%, with reference to the Ministry of Agriculture agricultural industry criteria NY/T
1170-2006, all reaches superfine Herba Medicaginis level, and CK1 (not applying fertilizer)
On the one hand it is to contain the nutritional labeling needed for Herba Medicaginis due to water soluble fertilizer, and reasonable mixture ratio, make alfalfa plants
Can be with the various nutrient of efficient absorption, in-house balanced in nutrition, on the other hand, the application is vigorous at alfalfa growing
Initial bloom stage gather in the crops, now the protein content in plant is high, stem and leaf ratio is little, content of cellulose is low, wooden
Matter degree is low, and when cradling results, the loss of blade is less, it is ensured that the quality of Herba Medicaginis.
Table 5 alfalfa output index determining result
| Index | T1 | T2 | T3 | T4 | CK1 | CK2 |
| Annual production g/m2 | 430 | 421 | 405 | 456 | 190 | 379 |
As shown in table 5, the Herba Medicaginis water soluble fertilizer yield using the present invention is all higher than the yield of matched group, and
The water soluble fertilizer using the present invention to provide at sand ground makes alfalfa output higher by about 140% than CK1 (not applying fertilizer), than
CK2 (common fertilizer) is high by about 20%, equal with the alfalfa output of middle fertility plantation, this is because the application
Make use of the resistance effect of potassium fulvate and effective mineral element proportioning so that alfalfa plants can be lean
Lean sand ground effectively, balancedly absorbs nutrient substance, thus the growth of stalwartness, it is ensured that its high yield and high quality, it is achieved
Efficient utilization to sand ground.
Claims (10)
1., for the water soluble fertilizer of sand ground alfalfa grasslands, it is characterized in that being, including organic fertilizer raw material,
A great number of elements inorganic fertilizer raw material, trace element inorganic fertilizer raw material and additive；
Wherein, the effective ingredient of described organic fertilizer raw material is potassium fulvate；
Wherein, described additive is Water soluble fertilizer activating agent；
Wherein, described potassium fulvate, inorganic fertilizer raw material with the weight part ratio of Water soluble fertilizer activating agent are:
2. fertilizer as claimed in claim 1, it is characterised in that its effective ingredient wraps by weight percentage
Include:
3. fertilizer as claimed in claim 2, it is characterised in that described a great number of elements inorganic fertilizer raw material is phosphorus
Acid one ammonium, potassium nitrate, the mixture of carbamide.
4. fertilizer as claimed in claim 2, it is characterised in that described trace element inorganic fertilizer raw material is sulfur
Acid copper, zinc sulfate, boric acid and the mixture of manganese sulfate.
5. the fertilizer as described in claim 3 or 4, it is characterised in that described organic fertilizer raw material is big with composition
The mixture of secondary element inorganic fertilizer raw material, the mixture of composition trace element inorganic fertilizer raw material, and additive
Weight is:
6. fertilizer as claimed in claim 4, it is characterised in that described zinc sulfate is zinc sulphate heptahydrate.
7. fertilizer as claimed in claim 4, it is characterised in that described manganese sulfate is manganese sulfate monohydrate.
8. fertilizer as claimed in claim 4, it is characterised in that described copper sulfate is copper sulphate pentahydrate.
9. fertilizer as claimed in claim 1, it is characterised in that described Water soluble fertilizer activating agent is dodecyl
Benzene sulfonic acid sodium salt.
10. the preparation method of water soluble fertilizer for sand ground alfalfa grasslands, it is characterised in that include with
Lower step:
1) raw material is got the raw materials ready by following weight
2) by raw material potassium fulvate, MAP, potassium nitrate, carbamide, zinc sulfate, copper sulfate, boric acid,
Manganese sulfate, Water soluble fertilizer activating agent, stir process makes mix homogeneously, to obtain final product；
Wherein, raw material is powder.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116768684A (en) * | 2023-07-13 | 2023-09-19 | 古浪法麦克斯农业服务有限公司 | Special water-soluble fertilizer for alfalfa |
| CN118405954A (en) * | 2024-06-17 | 2024-07-30 | 中国农业科学院北京畜牧兽医研究所 | Alfalfa cold-resistant compound fertilizer and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570456A (en) * | 2008-10-22 | 2009-11-04 | 新疆农垦科学院农业新技术推广服务中心 | Water soluble humic acid multi-element solid fertilizer and production method thereof |
| CN103467180A (en) * | 2013-08-16 | 2013-12-25 | 砀山县沃福农业发展有限公司 | Fulvic acid macroelement water-soluble fertilizer |
| CN103896685A (en) * | 2014-04-17 | 2014-07-02 | 张彬 | Organic-inorganic water-soluble fertilizer and preparation method thereof |
-
2016
- 2016-03-25 CN CN201610178574.7A patent/CN105859473B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101570456A (en) * | 2008-10-22 | 2009-11-04 | 新疆农垦科学院农业新技术推广服务中心 | Water soluble humic acid multi-element solid fertilizer and production method thereof |
| CN103467180A (en) * | 2013-08-16 | 2013-12-25 | 砀山县沃福农业发展有限公司 | Fulvic acid macroelement water-soluble fertilizer |
| CN103896685A (en) * | 2014-04-17 | 2014-07-02 | 张彬 | Organic-inorganic water-soluble fertilizer and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116768684A (en) * | 2023-07-13 | 2023-09-19 | 古浪法麦克斯农业服务有限公司 | Special water-soluble fertilizer for alfalfa |
| CN118405954A (en) * | 2024-06-17 | 2024-07-30 | 中国农业科学院北京畜牧兽医研究所 | Alfalfa cold-resistant compound fertilizer and preparation method and application thereof |
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