CN104478551A - Water-soluble composite fertilizer with high phosphorus and calcium, and preparation method thereof - Google Patents
Water-soluble composite fertilizer with high phosphorus and calcium, and preparation method thereof Download PDFInfo
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- CN104478551A CN104478551A CN201410642249.2A CN201410642249A CN104478551A CN 104478551 A CN104478551 A CN 104478551A CN 201410642249 A CN201410642249 A CN 201410642249A CN 104478551 A CN104478551 A CN 104478551A
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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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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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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
- C05G3/20—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for preventing the fertilisers being reduced to powder; Anti-dusting additives
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Abstract
The invention provides a water-soluble composite fertilizer with high phosphorus and calcium. The composite material comprises, by weight, 10-60 parts of a potash fertilizer, 10-60 parts of a phosphate fertilizer, 10-30 parts of a calcium fertilizer, 2-20 parts of urea and 0.1-5 parts of an anti-caking agent. The invention also provides a preparation method of the water-soluble composite fertilizer with high phosphorus and calcium. The composite fertilizer has the characteristics of high content of total nutrients, stable physical and chemical properties, good powder fluidity, no caking, precipitation or gas bloating at high temperature, low temperature or normal temperature, and good solubility. Phosphoric acid or phosphate is added to a solution obtained by dissolving the composite fertilizer in water to provide an acidic condition in order to make phosphate radicals and calcium ions simultaneously stably coexist in a liquid phase and avoid the generation of calcium phosphate and other insoluble precipitates. The water-soluble composite fertilizer effectively improves the fertilizer utilization rate, has highly concentrated nutrients, is suitable for large-area automatic fertilization, can obviously improve the fertilizing efficiency, and also has the advantages of time saving, labor saving, fertilizer saving and fast fertilizer efficiency.
Description
Technical field
The invention belongs to technical field of fertilizer production, be specifically related to a large amount of of a kind of farm crop application and secondary nutrients, particularly relate to a kind of high-phosphorus, high-calcium Water Soluble Compound fertilizer and preparation method thereof.
Background technology
Phosphorus is one of necessary macronutrient of crop growth.Form the indispensable element such as Nuclear extract, Yelkin TTS.Phosphoric can accelerate cell fission, impels root system and overground part to accelerate growth, promotes bud differentiation, premature ripening, improve fruit quality.Such as decompose the respiration of crop, photosynthesis, sugar and transport etc. all plays an important role.Phosphorus can promote seed germination, contributes to bud differentiation, impels and blooms well, and promote that maturation is solid ahead of time; Also can promote root system development, make root system early growth and quick tiller; Can affect the normal growth of crop during phosphorus shortage, bloom, flower is diminished, petal reduces, and pattern is bad; And making that branch is short, leaf is little, germinating power weakens, and the obfuscation of lower blade leaf look is in red-purple.
Calcium is one of necessary middle amount nutritive element of crop growth.Calcium is in the formation of fruit quality and have vital role in keeping, particularly in the fruit development later stage, calcium content of fruit number to the formation of fruit quality and the storage after adopting and transport, there is material impact.Permitted fructuous disorder symptom such as softening, the yali pear black heart of apple bitter pit, cherry dehiscent fruit, peach etc. and all had substantial connection with calcium deficiency.Calcium is not only the necessary a kind of macroelement of growth and development of fruit tree, the more important thing is to participate in the regulation and control of fruit tree growth and growth as the second messenger of biochemical reactions in extracellular signal and born of the same parents.Ca2+-CaM participates in regulating differentiation of floral bud of fruit tree, pollen germination, fruit maturation and degeneration-resistant expression etc.
Calcium is one of element that in soil, content is the abundantest, fruit tree calcium deficiency also and do not mean that soil hypocalcia, even if growing plants still has the situation that physiological disease occurs on the calcareous soil being rich in calcium.Cause plant calcium deficiency mainly because calcium is not easily absorbed by plants and not easily move again after absorbing, cause a large amount of calcium to be present in leaf, very few in fruit.Calcium can only unidirectionally up shift, and is subject to the impact of transpiration, and the phenomenon that the calcium in low-transpiration fruit flows backwards to branches and leaves usually can occur, and thus fruit very easily shows calcium deficiency symptom.The fruit losses only caused by calcium deficiency in cultivation of fruit tree accounts for 20% ~ 30% of output.Therefore, the crop (as banana, oranges and tangerines etc.) needing calcium many easily calcium deficiency, must use External Calcium, and most effective means to be gone directly blade and fruit surface by foliage-spray, thus shortens calcium constituent miles of relative movement.
Calcium and phosphorus are all the essential nutrient elements of growth and development of plants.Therefore, in agriculture production, the compounding application of phosphate fertilizer and calcareous fertilisers is inevitable, but phosphate fertilizer in being manured into soil easily and calcareous fertilisers form the calcium phosphate salt of indissoluble, thus have impact on leaching of calcium feature and validity.More research shows, the calcium carbonate in soil has stronger solid phosphorus effect, and its main mechanism is absorption and precipitation, and the calcium carbonate of high-content can reduce soil P availability greatly.
Along with the continuous promotion and application of the Integration of Water into Fertilizer, water-soluble fertilizer starts to popularize gradually in China.At present, the water-soluble fertilizer of China is also in the research of preliminary study stage, particularly high density, high compound manure, is blank at home substantially.Water-soluble fertilizer, because it is instant, content is high, without advantages such as hormones, is the first-selected fertilizer of irrigation equipment fertilising.Due to features such as its solubility property are good, and nutrient content is high, and Crop is fast, be applicable to very much automatization fertilising.In the country that irrigation technique and automatization fertilising are popularized, water-soluble fertilizer is widely used.
In order to the nutrient allowing Crop arrive balance, the various a large amount of and Meso-and micro-nutrients needed for plant-growth can be added in general Chemical Mixed Fertilizer, as nitrogen, phosphorus, potassium, calcium, magnesium, manganese, zinc, boron etc.But in the liquid phase of fertilizer, phosphate anion easily reacts with the metal ion such as zinc, calcium, magnesium, forms a large amount of precipitations, greatly reduction phosphorus and metal ion nutrient availability, thus reduces the plant recovery of nutrient of fertilizer.Meanwhile, the strainer of the easy clogging drip irrigation system of precipitation of these indissolubles and water dropper, can cause very large loss to agricultural dropleting enemaing system.
In the fertilizer of high phosphorus, calcium is easy to the precipitation producing indissoluble with phosphate anion.So in fertiliser production at home, the compound manure that phosphorous and calcium is higher is blank substantially simultaneously.Therefore, develop phosphorus, calcium contents is higher and nutritive element is complete fertilizer has important Social and economic benef@.
Summary of the invention
The object of the invention is in high phosphatic manure, easily to produce to overcome calcium in prior art the technological deficiency that indissoluble precipitates with phosphorus, a kind of high-phosphorus, high-calcium Water Soluble Compound fertilizer and preparation method thereof and using method are provided, this high-phosphorus, high-calcium Water Soluble Compound fertilizer coordinates the macroelement such as nitrogen, potassium simultaneously, can effectively prevent it from the symptom of calcium deficiency occurring while meeting crop growth needs.
First aspect of the present invention is to provide a kind of high-phosphorus, high-calcium Water Soluble Compound fertilizer, and according to weight parts, its constitutive material comprises 10 ~ 60 parts, potash fertilizer, 10 ~ 60 parts, phosphate fertilizer, calcareous fertilisers 10 ~ 30 parts, 2 ~ 20 parts, urea and anti-hard caking agent 0.1 ~ 5 part.
Preferably, according to weight parts, the constitutive material of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises 12 ~ 52 parts, potash fertilizer, 14 ~ 58.5 parts, phosphate fertilizer, calcareous fertilisers 15 ~ 28 parts, 5 ~ 19 parts, urea and anti-hard caking agent 0.5 ~ 2.5 part.
Wherein, described calcareous fertilisers can be the conventional calcareous fertilisers in fertiliser production, such as, can be one or more in calcium oxide, nitrocalcite, calcium ammonium nitrate or calcium chloride etc.
Wherein, described phosphate fertilizer can be the conventional phosphate fertilizer in fertiliser production, such as, can be one or more in monoammonium phosphate, diammonium phosphate, Ureaphil, phosphoric acid or ammonium polyphosphate etc.
Wherein, described potash fertilizer can be the conventional potash fertilizer in fertiliser production, such as, can be one or more in Repone K, saltpetre, potassium sulfate, potassium primary phosphate, potassium metaphosphate or dipotassium hydrogen phosphate etc.
Wherein, described anti-hard caking agent can be the conventional anti-hard caking agent in fertiliser production, such as, can be one or more in yellow prussiate of potash, sodium silicoaluminate, silicon-dioxide, sodium laurylsulfonate, Tolylamine, nitrogen benzide, pure aluminium silicate, concavo-convex side soil, talcum powder, phosphorite powder, diatomite or wilkinite etc.
Preferably, according to weight parts, the constitutive material of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises 2 ~ 16 parts, saltpetre, 10 ~ 36 parts, Repone K, potassium sulfate 0-10 part, Ureaphil 0 ~ 7 part, potassium metaphosphate 0-30 part, phosphoric acid 0 ~ 20 part, potassium primary phosphate 3 ~ 23 parts, monoammonium phosphate 0 ~ 8.5 part, diammonium phosphate 0 ~ 8.5 part, calcareous fertilisers 15 ~ 28 parts, 5 ~ 19 parts, urea and anti-hard caking agent 0.5 ~ 2.5 part.
Further preferably, according to weight parts, described calcareous fertilisers comprise 0 ~ 8 part, nitrocalcite, calcium ammonium nitrate 0-5 part, 6 ~ 15 parts, calcium chloride and 0 ~ 8 part, calcium oxide.
Still more preferably, the constitutive material of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises 3.1 parts, saltpetre, Ureaphil 6.0 parts, phosphoric acid 6.5 parts, potassium primary phosphate 18.6 parts, monoammonium phosphate 6.6 parts, 28.0 parts, Repone K, 4.0 parts, nitrocalcite, 12.6 parts, calcium chloride, 4.0 parts, calcium oxide, 9.7 parts, urea and anti-hard caking agent 0.9 part.
Second aspect of the present invention is to provide the preparation method of the high-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present invention first aspect, comprises the following steps:
Step 1, is pulverized and mixed potash fertilizer, phosphate fertilizer, urea and anti-hard caking agent evenly;
Step 2, slowly adds calcareous fertilisers, and limit edged stirs, and keeps temperature of reaction system to be 50 ~ 80 DEG C, reacts complete, cooling, both.
When comprising phosphoric acid in described phosphate fertilizer, when comprising calcium oxide in described calcareous fertilisers, can preferably phosphoric acid and calcium oxide be reacted separately, concrete steps are:
1) slowly joined in phosphoric acid by calcium oxide, limit edged stirs, and the temperature keeping reaction system is 70 ~ 80 DEG C, after question response terminates, and by dry for reaction solution distillation, obtains powder 1;
Phosphate fertilizer except phosphoric acid, potash fertilizer, urea and anti-hard caking agent are pulverized and mixed evenly, then slowly add the calcareous fertilisers except calcium oxide, limit edged stirs, and keeps temperature of reaction system to be 50 ~ 70 DEG C, reacts complete, and cooling, obtains powder 2;
2) powder 1 and powder 2 are mixed, both.
Preferably, described high-phosphorus, high-calcium Water Soluble Compound fertilizer is prepared from according to following step:
S1, pulverous component non-in solid potash fertilizer and solid phosphate fertilizer to be pulverized, mix;
Urea is pulverized on S2, limit, while add in the powder of S1 by the urea after pulverizing, stirs;
S3, anti-hard caking agent is joined in the powder of S2, be stirred to evenly;
S4, add in the powder of S3 by remaining potash fertilizer and phosphate fertilizer respectively, limit edged is stirred to evenly;
S5, in the powder of S4, slowly add calcareous fertilisers, keep temperature of reaction to be 50 ~ 80 DEG C, react complete, both.
Further, when comprising phosphoric acid in described phosphate fertilizer, when comprising calcium oxide in described calcareous fertilisers, preferably phosphoric acid and calcium oxide can be reacted separately, comprising the following steps:
The preparation of A, powder 1: calcium oxide is slowly joined in phosphoric acid, limit edged stirs, and the temperature keeping reaction system is 70 ~ 80 DEG C, after question response terminates, and by dry for reaction solution distillation, obtains powder 1;
The preparation of powder 2: S1, pulverous component non-in solid potash fertilizer and solid phosphate fertilizer to be pulverized, mix; Urea is pulverized on S2, limit, while add in the powder of S1 by the urea after pulverizing, stirs; S3, anti-hard caking agent is joined in the powder of S2, be stirred to evenly; S4, add in the powder of S3 by remaining potash fertilizer and phosphate fertilizer respectively, limit edged is stirred to evenly; S5, in the powder of S4, slowly add calcareous fertilisers, keep temperature of reaction to be 50 ~ 80 DEG C, react complete, obtain powder 2;
B, powder 1 and powder 2 to be mixed, both.
By the exploration discovery of contriver, in step S1, churning time is preferably 25 ~ 40min; In step S2, churning time is preferably 30 ~ 50min; In step S3, churning time is preferably 10 ~ 15 minutes; The churning time of step S4 is preferably 40 ~ 55min; The churning time of step S5 is preferably 25 ~ 40min.Prepare churning time in powder 1 and be preferably 50 ~ 80min, powder 1 and powder 2 mix and blend time are preferably 20 ~ 40min.
In above-mentioned steps S2, must control well pulverize urea fineness (general control fineness is 0.05-1mm) because the physical properties that all to have influence on composite fertilizer in urea size size.Pulverize too little, composite fertilizer's recrystallization problem can be had influence on; Pulverize too large, have influence on the homogeneity of composite fertilizer.
In above-mentioned steps S3, must control the speed of adding anti-hard caking agent, limit edged stirs, and allows anti-hard caking agent be distributed in powder gap equably, stops recrystallization between crystal, avoids caking phenomenon with this.
In above-mentioned steps S5, must control to add the speed of calcareous fertilisers, limit edged stirs, and controls temperature of reaction 50 ~ 80 DEG C well.
Above-mentionedly prepare in powder 1, the speed of adding calcium oxide must be controlled, keep temperature of reaction to be 70 ~ 80 DEG C, limit edged stirs, because when adding calcium oxide, calcium oxide can with the phosphoric acid generation thermopositive reaction in liquid phase, too high or too low for temperaturely all can affect phosphorus and calcium stability in the liquid phase.
The present invention can make phosphate radical and calcium ion coexist in solid phase by the control of the technique of particular order and special reaction condition, after fertilizer is water-soluble, coexist in liquid phase with making phosphate radical and calcium ion Simultaneous Stabilization, avoid producing the indissoluble precipitations such as calcium phosphate, effectively improve the utilization ratio of phosphorus calcareous fertilisers material.Particularly, the present invention can generate calcium phosphate complex with high-concentration phosphoric acid and/or phosphate reaction in acid condition by calcareous fertilisers, coexists in liquid phase with making phosphate radical and calcium ion Simultaneous Stabilization, avoids producing the indissoluble precipitations such as calcium phosphate.Instant invention overcomes calcium ion in prior art and easily in high phosphatic manure, produce with phosphate radical the technological deficiency that indissoluble precipitates, cost is high, metal ion content is low.
High-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention can need according to crop different growing the growth regulator adding dissimilar and concentration, described high-phosphorus, high-calcium Water Soluble Compound fertilizer also can be used in combination with the organic raw material such as xanthohumic acid, Ulmic acids or ulmic acid, improves the utilization ratio of fertilizer nutrient.
3rd aspect of the present invention is to provide the using method of the high-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present invention first aspect, described high-phosphorus, high-calcium Water Soluble Compound fertilizer be dissolved in after in water execute for drenching, drip irrigation or spray.
When pouring is executed, crops seedling stage dilution 200 ~ 300 times, dilutes 100 ~ 200 times At All Other Times, directly drench in crop root, determine that number of times is executed in pouring according to the breeding time of crop, the timed interval is 10 ~ 15 days, vegetables suitably can increase application times, and fruit tree suitably can strengthen amount of application.
When spraying, vegetables and field crop dilution 800 ~ 1000 times, fruit tree dilution 500 ~ 800 times, be sprayed on blade surface, pros and cons all will spray, and is sprayed onto till blade just drips.
When being used by drip irrigation, seedling stage, concentration was 200 ~ 300 times, middle and later periods is 100 ~ 200 times, generally within every 7 ~ 10 days, can drip executes once, during drip irrigation, must get hold of fertilization time, the crop that root system is more shallow, fertilization time must control within 30 minutes, the crop that root system is dark, and fertilization time controlled at 1 ~ 1.5 hour.
Compared with prior art, the present invention has following beneficial effect:
(1) high-phosphorus, high-calcium Water Soluble Compound fertilizer total nutrient content of the present invention is high, physics and chemistry dimensionally stable, and without the phenomenon such as caking, precipitation, flatulence under high temperature, low temperature and normal temperature condition, solubility property is good.
(2) high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention belongs to water soluble fertilizer, can foliage-spray, drench and execute, also may be used for sprinkling irrigation and drip irrigation system, easy to use, have save time, saving of labor, the advantage such as province is fertile, fertilizer efficiency is fast.
(3) phosphorus in high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention and calcium contents higher, good water solubility.After water-soluble, provide acidic conditions by the phosphoric acid that adds or phosphoric acid salt, coexist in liquid phase with making phosphate radical and calcium ion Simultaneous Stabilization, avoid producing the indissoluble such as calcium phosphate and precipitate.
(4) powder fluidity of the present invention is good, be not easy caking, precipitation, flatulence, and nutrient is highly enriched, is applicable to the automatization fertilising operation that area is larger, can significantly improves fertilising efficiency.
(5) the invention provides three element fertilizers containing moderate-element; nutritive element is comprehensive; for crop provides grow required macroelement and moderate-element simultaneously; wherein the feature of high-phosphorus, high-calcium of the present invention can promote crop root growth; flower and fruit protecting, effectively can prevent the calcium deficiency symptom of crop simultaneously.
(6) N+P in compound manure provided by the invention
2o
5+ K
2o>=50%, CaO>=10%, nutrient content wherein both can reach " macroelement water-soluble fertilizer (moderate-element type) " technical target of the product of People's Republic of China's agricultural industry criteria (NY 1107-2010), for fertilizer output enterprise provides splendid convenience at the flexible production and selling of compound manure.
Embodiment
Below in conjunction with specific embodiment the present invention made and elaborating further, to understand the present invention better.
Embodiment 1
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 3.1 part |
| Phosphoric acid | 6.5 part |
| Ureaphil | 6.0 part |
| Potassium primary phosphate | 18.6 parts |
| Monoammonium phosphate | 6.6 part |
| Repone K | 28.0 parts |
| Nitrocalcite | 4.0 part |
| Calcium chloride | 12.6 parts |
| Calcium oxide | 4.0 part |
| Urea | 9.7 part |
| Sodium silicoaluminate | 0.9 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre, Ureaphil are pulverized;
S2. in the saltpetre after pulverizing, add the Ureaphil of pulverizing, limit edged stirs, and stirs 30min with 200 revs/min of speed;
S3. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S4. under normal temperature condition, in S3, add sodium silicoaluminate, be stirred to flat-white dried powder, stir 10min;
S5. add in the powder of S4 by potassium primary phosphate, monoammonium phosphate and Repone K respectively, limit edged stirs, and stirs 40min;
S6. after powder stirs in S5, slowly add nitrocalcite and calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S7. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 90 DEG C distillation, and dry 40min;
S8. the desciccate taken out in S7 adds in S6 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 2
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 5.4 part |
| Phosphoric acid | 7.4 part |
| Ureaphil | 2.5 part |
| Potassium primary phosphate | 22.2 parts |
| Diammonium phosphate | 10 parts |
| Repone K | 24.7 parts |
| Nitrocalcite | 1.2 part |
| Calcium chloride | 11.7 parts |
| Calcium oxide | 5.2 part |
| Urea | 8.4 part |
| Sodium laurylsulfonate | 0.7 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre, Ureaphil are pulverized;
S2. in the saltpetre after pulverizing, add the Ureaphil of pulverizing, limit edged stirs, and stirs 30min with 200 revs/min of speed;
S3. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S4. under normal temperature condition, in S3, add sodium laurylsulfonate, be stirred to flat-white dried powder, stir 10min;
S5. add in the powder of S4 by potassium primary phosphate, diammonium phosphate and Repone K respectively, limit edged stirs, and stirs 40min;
S6. after powder stirs in S5, slowly add nitrocalcite and calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S7. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 90 DEG C distillation, and dry 40min;
S8. the desciccate taken out in S7 adds in S6 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 3
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 13.8 parts |
| Phosphoric acid | 9.4 part |
| Ureaphil | 3.1 part |
| Potassium primary phosphate | 6.1 part |
| Diammonium phosphate | 8.4 part |
| Repone K | 30.4 parts |
| Nitrocalcite | 2.3 part |
| Calcium chloride | 10.3 parts |
| Calcium oxide | 6.1 part |
| Urea | 8.9 part |
| Silicon-dioxide | 1.2 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre, Ureaphil are pulverized;
S2. in the saltpetre after pulverizing, add the Ureaphil of pulverizing, limit edged stirs, and stirs 30min with 200 revs/min of speed;
S3. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S4. under normal temperature condition, in S3, add silicon-dioxide, be stirred to flat-white dried powder, stir 10min;
S5. add in the powder of S4 by potassium primary phosphate, diammonium phosphate and Repone K respectively, limit edged stirs, and stirs 40min;
S6. after powder stirs in S5, slowly add nitrocalcite and calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S7. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 90 DEG C distillation, and dry 40min;
S8. the desciccate taken out in S7 adds in S6 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 4
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 1.8 part |
| Phosphoric acid | 18.5 parts |
| Ureaphil | 3.7 part |
| Potassium primary phosphate | 7.4 part |
| Monoammonium phosphate | 4.1 part |
| Repone K | 35.1 parts |
| Calcium chloride | 7.9 part |
| Calcium oxide | 8.3 part |
| Urea | 12.1 parts |
| Wilkinite | 1.1 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre, Ureaphil are pulverized;
S2. in the saltpetre after pulverizing, add the Ureaphil of pulverizing, limit edged stirs, and stirs 30min with 200 revs/min of speed;
S3. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S4. under normal temperature condition, in S3, add wilkinite, be stirred to flat-white dried powder, stir 10min;
S5. add in the powder of S4 by potassium primary phosphate, monoammonium phosphate and Repone K respectively, limit edged stirs, and stirs 40min;
S6. after powder stirs in S5, slowly add calcium chloride, keep temperature of reaction to be 50 DEG C, stir 30min, stand-by after completion of the reaction;
S7. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 90 DEG C distillation, and dry 40min;
S8. the desciccate taken out in S7 adds in S6 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 5
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 4.6 part |
| Phosphoric acid | 15.3 parts |
| Potassium primary phosphate | 15.3 parts |
| Monoammonium phosphate | 6.1 part |
| Repone K | 35.1 parts |
| Potassium sulfate | 6.6 part |
| Calcium ammonium nitrate | 3.8 part |
| Calcium chloride | 8.4 part |
| Calcium oxide | 6.9 part |
| Urea | 6.1 part |
| Attapulgite | 0.9 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre is pulverized;
S2. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S3. under normal temperature condition, in S2, add attapulgite, be stirred to flat-white dried powder, stir 10min;
S4. add in the powder of S3 by potassium primary phosphate, monoammonium phosphate, potassium sulfate and Repone K respectively, limit edged stirs, and stirs 50min;
S5. after powder stirs in S4, slowly add calcium ammonium nitrate, calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S6. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 100 DEG C distillation, and dry 40min;
S7. the desciccate taken out in S6 adds in S5 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 6
Described in the present embodiment, high-phosphorus, high-calcium Water Soluble Compound fertilizer is containing, for example each component of lower parts by weight:
| Saltpetre | 6.9 part |
| Dipotassium hydrogen phosphate | 5.7 part |
| Potassium metaphosphate | 28.7 parts |
| Monoammonium phosphate | 5.1 part |
| Repone K | 14.5 parts |
| Potassium sulfate | 3.0 part |
| Calcium ammonium nitrate | 6.9 part |
| Calcium chloride | 18.4 parts |
| Urea | 9.2 part |
| Talcum powder | 1.6 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer:
S1. saltpetre is pulverized;
S2. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S3. under normal temperature condition, in S2, add talcum powder, be stirred to flat-white dried powder, stir 10min;
S4. add in the powder of S3 by potassium primary phosphate, potassium metaphosphate, monoammonium phosphate, potassium sulfate and Repone K respectively, limit edged stirs, and stirs 50min;
S5. after powder stirs in S4, slowly add calcium ammonium nitrate, calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, after mixing, namely obtain compound manure, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 7
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 11.1 parts |
| Potassium primary phosphate | 4.3 part |
| Phosphoric acid | 7.3 part |
| Potassium metaphosphate | 12.9 parts |
| Diammonium phosphate | 9.8 part |
| Repone K | 24.6 parts |
| Nitrocalcite | 2.8 part |
| Calcium chloride | 11.5 parts |
| Calcium oxide | 4.8 part |
| Urea | 9.8 part |
| Pure aluminium silicate | 1.1 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre is pulverized;
S2. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S3. under normal temperature condition, in S2, add pure aluminium silicate, be stirred to flat-white dried powder, stir 10min;
S4. add in the powder of S3 by potassium primary phosphate, potassium metaphosphate, diammonium phosphate and Repone K respectively, limit edged stirs, and stirs 45min;
S5. after powder stirs in S4, slowly add nitrocalcite, calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S6. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 100 DEG C distillation, and dry 40min;
S7. the desciccate taken out in S6 adds in S5 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 8
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 13.8 parts |
| Phosphoric acid | 7.7 part |
| Potassium metaphosphate | 6.6 part |
| Potassium primary phosphate | 5.4 part |
| Monoammonium phosphate | 3.1 part |
| Repone K | 25.1 parts |
| Nitrocalcite | 3.7 part |
| Calcium chloride | 8.8 part |
| Calcium oxide | 6.2 part |
| Urea | 18.3 parts |
| Yellow prussiate of potash | 1.3 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre is pulverized;
S2. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S3. under normal temperature condition, in S2, add yellow prussiate of potash, be stirred to flat-white dried powder, stir 10min;
S4. add in the powder of S3 by potassium primary phosphate, potassium metaphosphate, monoammonium phosphate and Repone K respectively, limit edged stirs, and stirs 45min;
S5. after powder stirs in S4, slowly add nitrocalcite, calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S6. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 100 DEG C distillation, and dry 40min;
S7. the desciccate taken out in S6 adds in S5 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 9
High-phosphorus, high-calcium Water Soluble Compound fertilizer described in the present embodiment is containing, for example each component of lower parts by weight:
| Saltpetre | 12.4 parts |
| Phosphoric acid | 8.9 part |
| Potassium metaphosphate | 10.7 parts |
| Monoammonium phosphate | 3.6 part |
| Repone K | 27.7 parts |
| Nitrocalcite | 4.3 part |
| Calcium chloride | 10.1 parts |
| Calcium oxide | 5.5 part |
| Urea | 15.3 parts |
| Diatomite | 1.5 part |
The concrete preparation method of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises the steps:
S1. saltpetre is pulverized;
S2. urea is pulverized on limit, while the urea after pulverizing is added stirrer, stirs, stir into uniform white powder with 250 revs/min of speed, stir 40min;
S3. under normal temperature condition, in S2, add diatomite, be stirred to flat-white dried powder, stir 10min;
S4. add in the powder of S3 by potassium metaphosphate, monoammonium phosphate and Repone K respectively, limit edged stirs, and stirs 40min;
S5. after powder stirs in S4, slowly add nitrocalcite, calcium chloride, keep temperature of reaction to be 60 DEG C, stir 30min, stand-by after completion of the reaction;
S6. in reactor, add phosphoric acid, slowly add calcium oxide, keep temperature of reaction 80 DEG C, limit edged stirs, and stirs 25min, after question response terminates, by dry for liquid 100 DEG C distillation, and dry 40min;
S7. the desciccate taken out in S6 adds in S5 powder, stirs 30min, namely obtains compound manure after mixing, finished product sealing is filled in 25kg packing bag.
Adopt People's Republic of China's agricultural industry criteria (NY 1107-2010) to measure the comprehensive content's index of fertilizer, be shown in Table 1.
Embodiment 10
The high-phosphorus, high-calcium Water Soluble Compound fertilizer that method described in the embodiment of the present invention 1 ~ 9 prepares makes the phosphorus of high-content and calcium be present in solid phase simultaneously, after fertilizer is water-soluble, coexist in liquid phase with making phosphate radical and calcium ion Simultaneous Stabilization, formation total nutrient content is high, medium trace element is complete, the solid fertilizer of good fluidity.People's Republic of China's agricultural industry criteria (NY 1107-2010) is adopted to record the content's index of fertilizer in table 1 (namely showing 1-1 and table 1-2).
Table 1-1 high-phosphorus, high-calcium Water Soluble Compound fertilizer quality index
Table 1-2 high-phosphorus, high-calcium Water Soluble Compound fertilizer quality index
From table 1-1 and table 1-2 result: the present invention is by the temperature adding speed and reaction of strict controlled oxidization calcium and phosphatase reaction, effectively can obtain the complex body of calcium phosphate, the calcium constituent and the phosphatase reaction that avoid the high-content in fertilizer form precipitation, reduce the effective content of calcium in fertilizer.
The application test of embodiment 11 high-phosphorus, high-calcium Water Soluble Compound of the present invention fertilizer
(1) test is executed in pouring
Test site: Zhu Cun Jie Zhucun village of Guangzhou, Guangdong Zengcheng City
Test period: in November, 2012 ~ 2013 year April
Trial crops: tomato
Test soil: red soil
Testing program: high-phosphorus, high-calcium Water Soluble Compound fertilizer sample of the present invention and comparative example two process are chosen in this test.The fruit tree dedicated liquid fertilizer (fertile containing humic acid water-soluble) that comparative example adopts Lv Xing bio tech ltd, Guangdong to produce, N+P
2o
5+ K
2o>=200g/L, humic acids>=40g/L.High-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention designs 5 process, be numbered process 1 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 1 prepares) respectively, process 2 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 2 prepares), process 3 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 3 prepares), process 4 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 4 prepares), process 5 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 5 prepares).In sowing on November 20th, 2012, final singling on December 15, mu plants 2200 strains.Start results on January 27th, 2013, once, output is accumulation results ultimate production to every 10 days results.Each process fertilizer is executed once respectively at respectively drenching on December 26th, 2012, on January 15th, 2013, February 15, and it is 500 times that concentration is executed in pouring.Comparative example is carried out pouring with same application concentration and time and is executed.Test-results is as shown in table 2.
Table 2 fertilizer of the present invention and commercially available fruit and vegetable special fertilizer comparative result
| Process | Vitamin C content (mg/kg) | Rate of increase | Per mu yield (kg) | Stimulation ratio |
| Contrast | 39.3 | - | 5437 | - |
| Process 1 | 43.6 | 10.9％ | 5976 | 9.9％ |
| Process 2 | 41.8 | 6.4％ | 5864 | 7.9％ |
| Process 3 | 45.8 | 16.5％ | 6134 | 12.8％ |
| Process 4 | 42.2 | 7.4％ | 5912 | 8.7％ |
| Process 5 | 44.1 | 12.2％ | 6056 | 11.4％ |
Result shows, compared with comparative example, drenches and executes the output that high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention adds tomato all to a certain extent.Wherein the effect of increasing production of embodiment 3 is the most remarkable, and every per mu yield increases 697kg, and stimulation ratio is 12.8%.Meanwhile, drench execute the quality that high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention significantly improves tomato, embodiment 1,2,3,4,5 tomato Vitamin C content respectively higher than comparative example by 10.9%, 6.4%, 16.5%, 7.4%, 12.2%.Therefore, high-phosphorus, high-calcium water soluble composite fertilizer provided by the invention facilitates the growth of tomato, adds fruit size, improves tomato mouthfeel, improves the yield and quality of tomato.Meanwhile, composite fertilizer provided by the invention can obviously promote growing of tomato, thus can obtain more nutrition, thus improves the output of tomato.
(2) spraying test
Test site: Zou Fang village, Pingyuan County, Growth in Meizhou City, Guangdong
Test period: in March, 2012 ~ 2013 year January
Trial crops: navel orange
Test soil: red soil
Testing program: high-phosphorus, high-calcium Water Soluble Compound fertilizer sample of the present invention and comparative example two process are chosen in this test.The fruit and vegetable special fertilizer (12-10-24+10CaO) that comparative example adopts Italy to produce than Ao Qi parent firm.High-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention designs 5 process, be numbered process 1 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 1 prepares) respectively, process 2 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 2 prepares), process 3 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 3 prepares), process 4 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 4 prepares), process 5 (adopting the high-phosphorus, high-calcium Water Soluble Compound fertilizer that the embodiment of the present invention 5 prepares).Test navel orange is 5 years age of trees, and mu plants 55 strains, starts results on November 27th, 2012, and output is accumulation results ultimate production.Each process fertilizer respectively sprayed once respectively on March 20th, 2012, on April 20th, 2012, on May 10th, 2012, on June 10th, 2012, on July 10th, 2012, and spraying concentration is 500 times.Comparative example sprays with same spraying concentration and time.Test-results is as shown in table 3.
Table 3 fertilizer of the present invention and commercially available fruit-specific fertilizer comparative result
| Process | Single fruit weight (g) | Rate of increase (%) | Single plant yield (kg) | Stimulation ratio (%) |
| Comparative example | 286.1 | - | 28.4 | - |
| Process 1 | 330.2 | 15.4％ | 31.9 | 12.3％ |
| Process 2 | 302.9 | 5.9％ | 30.1 | 6.0％ |
| Process 3 | 354.2 | 23.8％ | 34.8 | 22.5％ |
| Process 4 | 325.5 | 13.8％ | 30.7 | 8.1％ |
| Process 5 | 341.8 | 19.5％ | 32.2 | 13.4％ |
Result shows, compares with comparative example, sprays the output that high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention adds navel orange all to a certain extent.Wherein the effect of increasing production of embodiment 3 is the most remarkable, and compared with comparative example, single plant yield increases 6.4kg, and stimulation ratio is 22.5%.Meanwhile, spray the single fruit weight that high-phosphorus, high-calcium Water Soluble Compound fertilizer of the present invention significantly improves navel orange, embodiment 1,2,3,4,5 single fruit weight respectively higher than comparative example by 15.4%, 5.9%, 23.8%, 13.8%, 19.5%.Visible, high-phosphorus, high-calcium Water Soluble Compound fertilizer provided by the invention facilitates Navel Orange Fruits growth and expands, and improves the firmness of fruit, improves fruit-setting rate and the single fruit weight of navel orange simultaneously, effectively prevent calcium deficiency to lack phosphorus phenomenon, thus improve the yield and quality of navel orange.
In addition, high-phosphorus, high-calcium Water Soluble Compound fertilizer provided by the invention effectively can prevent the symptom of navel orange calcium deficiency, effectively reduces the generation of navel orange dehiscent fruit and malformed fruit.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (10)
1. a high-phosphorus, high-calcium Water Soluble Compound fertilizer, is characterized in that, according to weight parts, its constitutive material comprises 10 ~ 60 parts, potash fertilizer, 10 ~ 60 parts, phosphate fertilizer, calcareous fertilisers 10 ~ 30 parts, 2 ~ 20 parts, urea and anti-hard caking agent 0.1 ~ 3 part.
2. high-phosphorus, high-calcium Water Soluble Compound fertilizer according to claim 1, it is characterized in that, according to weight parts, its constitutive material comprises 12 ~ 52 parts, potash fertilizer, 14 ~ 58.5 parts, phosphate fertilizer, calcareous fertilisers 15 ~ 28 parts, 5 ~ 19 parts, urea and anti-hard caking agent 0.5 ~ 2.5 part.
3. high-phosphorus, high-calcium Water Soluble Compound fertilizer according to claim 1, is characterized in that, described calcareous fertilisers are one or more in calcium oxide, nitrocalcite, calcium ammonium nitrate or calcium chloride; Described phosphate fertilizer is one or more in monoammonium phosphate, diammonium phosphate, Ureaphil, phosphoric acid or ammonium polyphosphate; Described potash fertilizer is one or more in Repone K, saltpetre, potassium sulfate, potassium primary phosphate, potassium metaphosphate or dipotassium hydrogen phosphate; Described anti-hard caking agent is one or more in yellow prussiate of potash, sodium silicoaluminate, silicon-dioxide, sodium laurylsulfonate, Tolylamine, nitrogen benzide, pure aluminium silicate, concavo-convex side soil, talcum powder, phosphorite powder, diatomite or wilkinite.
4. according to the high-phosphorus, high-calcium Water Soluble Compound fertilizer in claim 1-3 described in any one, it is characterized in that, according to weight parts, its constitutive material comprises 2 ~ 16 parts, saltpetre, 10 ~ 36 parts, Repone K, potassium sulfate 0-10 part, Ureaphil 0 ~ 7 part, potassium metaphosphate 0-30 part, phosphoric acid 0 ~ 20 part, potassium primary phosphate 3 ~ 23 parts, monoammonium phosphate 0 ~ 8.5 part, diammonium phosphate 0 ~ 10 part, calcareous fertilisers 15 ~ 28 parts, 5 ~ 19 parts, urea and anti-hard caking agent 0.5 ~ 2.5 part.
5. high-phosphorus, high-calcium Water Soluble Compound fertilizer according to claim 4, is characterized in that, according to weight parts, described calcareous fertilisers comprise 0 ~ 8 part, nitrocalcite, calcium ammonium nitrate 0-5 part, 6 ~ 15 parts, calcium chloride and 0 ~ 8 part, calcium oxide.
6. high-phosphorus, high-calcium Water Soluble Compound fertilizer according to claim 5, it is characterized in that, according to weight parts, the constitutive material of described high-phosphorus, high-calcium Water Soluble Compound fertilizer comprises 3.1 parts, saltpetre, Ureaphil 6.0 parts, phosphoric acid 6.5 parts, potassium primary phosphate 18.6 parts, monoammonium phosphate 6.6 parts, 28.0 parts, Repone K, 4.0 parts, nitrocalcite, 12.6 parts, calcium chloride, 4.0 parts, calcium oxide, 9.7 parts, urea and anti-hard caking agent 0.9 part.
7. a preparation method for high-phosphorus, high-calcium Water Soluble Compound fertilizer according to claim 1, is characterized in that, comprise the following steps:
Step 1, is pulverized and mixed potash fertilizer, phosphate fertilizer, urea and anti-hard caking agent evenly;
Step 2, slowly adds calcareous fertilisers, and limit edged stirs, and keeps temperature of reaction system to be 50 ~ 80 DEG C, reacts complete, cooling, both.
8. preparation method according to claim 7, is characterized in that, comprises phosphoric acid in described phosphate fertilizer, comprises calcium oxide, comprise the following steps in described calcareous fertilisers:
1) slowly joined in phosphoric acid by calcium oxide, limit edged stirs, and the temperature keeping reaction system is 70 ~ 80 DEG C, after question response terminates, and by dry for reaction solution distillation, obtains powder 1;
Phosphate fertilizer except phosphoric acid, potash fertilizer, urea and anti-hard caking agent are pulverized and mixed evenly, then slowly add the calcareous fertilisers except calcium oxide, limit edged stirs, and keeps temperature of reaction system to be 50 ~ 70 DEG C, reacts complete, and cooling, obtains powder 2;
2) powder 1 and powder 2 are mixed, both.
9. preparation method according to claim 7, is characterized in that, comprises the following steps:
S1, pulverous component non-in solid potash fertilizer and solid phosphate fertilizer to be pulverized, mix;
Urea is pulverized on S2, limit, while add in the powder of S1 by the urea after pulverizing, stirs;
S3, anti-hard caking agent is joined in the powder of S2, be stirred to evenly;
S4, add in the powder of S3 by remaining potash fertilizer and phosphate fertilizer respectively, limit edged is stirred to evenly;
S5, in the powder of S4, slowly add calcareous fertilisers, keep temperature of reaction to be 50 ~ 80 DEG C, react complete, both.
10. preparation method according to claim 9, is characterized in that, comprises phosphoric acid in described phosphate fertilizer, comprises calcium oxide, comprise the following steps in described calcareous fertilisers:
The preparation of A, powder 1: calcium oxide is slowly joined in phosphoric acid, limit edged stirs, and the temperature keeping reaction system is 70 ~ 80 DEG C, after question response terminates, and by dry for reaction solution distillation, obtains powder 1;
The preparation of powder 2: S1, pulverous component non-in solid potash fertilizer and solid phosphate fertilizer to be pulverized, mix; Urea is pulverized on S2, limit, while add in the powder of S1 by the urea after pulverizing, stirs; S3, anti-hard caking agent is joined in the powder of S2, be stirred to evenly; S4, add in the powder of S3 by remaining potash fertilizer and phosphate fertilizer respectively, limit edged is stirred to evenly; S5, in the powder of S4, slowly add calcareous fertilisers, keep temperature of reaction to be 50 ~ 80 DEG C, react complete, obtain powder 2;
B, powder 1 and powder 2 to be mixed, both.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105016910A (en) * | 2015-08-25 | 2015-11-04 | 罗跃东 | Water and fertilizer integrated water-soluble fertilizer and preparation method thereof |
| CN105198654A (en) * | 2015-11-13 | 2015-12-30 | 张彦优 | High-phosphorus, high-calcium and high-nitrogen liquid compound fertilizer |
| CN105272601A (en) * | 2015-10-22 | 2016-01-27 | 湖北祥云(集团)化工股份有限公司 | Secondary element containing water soluble fertilizer for promoting fruit expansion and preparation method of water soluble fertilizer |
| CN106083307A (en) * | 2016-06-07 | 2016-11-09 | 吉林省农业科学院 | A kind of solubility compound fertilizer |
| CN107382561A (en) * | 2017-09-20 | 2017-11-24 | 阿米巴南京生物技术有限责任公司 | A kind of preparation method of high calcium moderate-element water-soluble fertilizer |
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| CN105016910A (en) * | 2015-08-25 | 2015-11-04 | 罗跃东 | Water and fertilizer integrated water-soluble fertilizer and preparation method thereof |
| CN105272601A (en) * | 2015-10-22 | 2016-01-27 | 湖北祥云(集团)化工股份有限公司 | Secondary element containing water soluble fertilizer for promoting fruit expansion and preparation method of water soluble fertilizer |
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| CN108863656A (en) * | 2018-07-25 | 2018-11-23 | 郭珊珊 | A kind of multi-functional phosphate fertilizer particle and its manufacture craft of the manufacture of calcium monohydrogen phosphate mixing sodium bentonite |
| CN109650363A (en) * | 2019-01-31 | 2019-04-19 | 北京尧之龙科技发展有限公司 | Full water-soluble industrial monoammonium phosphate anticaking agent and its application method |
| CN111187110A (en) * | 2019-11-29 | 2020-05-22 | 新洋丰农业科技股份有限公司 | Clear liquid type urine-based particle water-soluble fertilizer and preparation method thereof |
| CN111533623A (en) * | 2020-05-28 | 2020-08-14 | 中国农业科学院茶叶研究所 | Nutrient fertilizer for improving black tea quality and efficient nutrient management method |
| CN112409070A (en) * | 2020-11-23 | 2021-02-26 | 余隆 | Ammonium phosphate water-soluble multi-element compound fertilizer and preparation process thereof |
| CN114149286A (en) * | 2021-10-25 | 2022-03-08 | 嘉施利（新疆）水溶肥有限公司 | Medium-element water-soluble fertilizer |
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