WO2014005201A1 - Complex liquid fertilizer - Google Patents

Complex liquid fertilizer Download PDF

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Publication number
WO2014005201A1
WO2014005201A1 PCT/BG2013/000030 BG2013000030W WO2014005201A1 WO 2014005201 A1 WO2014005201 A1 WO 2014005201A1 BG 2013000030 W BG2013000030 W BG 2013000030W WO 2014005201 A1 WO2014005201 A1 WO 2014005201A1
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Prior art keywords
microelements
liquid fertilizer
complex liquid
weight
macroelements
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Application number
PCT/BG2013/000030
Other languages
French (fr)
Inventor
Konstantin Kostadinov ATANASOV
Original Assignee
Constant Ltd
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Publication of WO2014005201A1 publication Critical patent/WO2014005201A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05B—PHOSPHATIC FERTILISERS
    • C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
    • C05B17/02—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal containing manganese
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F11/00—Other organic fertilisers
    • C05F11/08—Organic fertilisers containing added bacterial cultures, mycelia or the like
    • 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
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/20—Liquid fertilisers
    • C05G5/23—Solutions

Definitions

  • the complex liquid fertilizer is intended for leave and soil feeding of plants.
  • a complex liquid fertilizer - N-P-K is known [BG 63533 Bl] comprising carbamide, phosphoric acid and potassium hydroxide, as well as N - 9 up to 12 % by weight, P 2 0 5 - 9 - 1 1 % by weight, K 2 0 9 up to 1 1 % by weight, at least one of the following microelements in amounts in % by weight: 0,01 - 1 B; 0,002 - 0,2 Co; 0,02 - 0,2 Cu; 0,02 - 0,2 Fe; 0,01 - 1 Mn; 0,001 - 0, 1 Mo; 0,002 - 0,2 Zn and an efficient amount of at least one of the following chelating agents - sodium, potassium or ammonium salts of EDTA, DPTA, EDDHA, HEEDTA, EDDHMA, EDDCHA or the acids themselves.
  • the known complex liquid fertilizer is difficult to be formulated with an optimum ratio among the basic macroelements N:P:K and the necessary microelements. Therefore, it does not always possess the complex properties required for achieving high yields and high quality of the flora treated.
  • the objective of the invention is to provide a complex liquid fertilizer, with an optimum ratio among the basic macroelements N:P:K and the necessary microelements, wherein the fertilizer always possesses the complex properties required for achieving high yields and high quality of the flora treated, including the one grown by man.
  • This objective can be met by providing a complex liquid fertilizer - N-P- K, comprising carbamide, phosphoric acid and potassium hydroxide, as well as N, P 2 0 5 , K 2 0 and at least one of the following microelements B, Cu, Fe, Mn, Mo, Zn, and an efficient amount the EDTA chelating agent.
  • N - 0 up to 34 P 2 0 5 - 0 up to 16, K 2 0 - 0 up to 16, while the microelements bonded in a chelate form have the following concentration (in % by weight) - Mo 0,001 up to 5,0, Zn 0,01 up to 15,0, Fe 0,2 up to 5,0, Cu 0,01 up to 4,0, Mn 0,04 up to 0,7, B 0,01 up to 10,0, wherein it contains also (in % by weight) MgO 1 up to 5,2, S 0 up to 6 and CaO 0 up to 16.
  • a biocomponent can be added to the complex liquid fertilizer - N-P-K (in % by weight) - 0 up to 16.
  • the biocomponent can be isolated and purified and can be of the bacteria family Bacillaceae type Firmicutes.
  • a fertilizer family of this complex liquid fertilizer provides for an optimum ratio among the basic macroelements N:P:K and Ca, together with the necessary microelements and creates synergy which always provides for the complex properties required for achieving high yields and high quality of the flora treated, including the one grown by man.
  • Index "O” indicates the presence of an organic additive in the composition
  • Index "M” refers to a mineral complex fertilizer
  • Water is used as an alkahest for each different modification of the liquid fertilizer, in an amount supplementing their composition to 100% by weight.
  • the organic additive in the composition contains fungal spores which develop on the inside and outside on the plant root and form symbiotic relation with it. Thus, they enhance the ability of the treated plant to better uptake the phosphorus (P) from the soil, make it more resistant in case of drought, adjust the water balance and contribute to better development and growth.
  • the plant is in symbiosis with these favoured microorganisms which make it more resistant in case of higher soil temperature and are appropriate for different soil types.
  • these fungal spores have a positive effect on the plant development at different root pathogenic alterations and make it more resistant to the impact of heavy metals.
  • microorganisms are naturally occurring in a free form; they are environmentally friendly, do not contain chemicals harmful for the environment and are completely biodegradable.
  • Table 1 illustrate the synergy among the components in different applications.
  • 3 - provides the necessary amount of macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) and is with a higher potassium content (K) for the normal plant development, which joint action makes potatoes less vulnerable to blue and black spots, assists the grapes in sugar formation and branch ripening, and increases the durability of vegetable cultures.
  • 1 1 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which synergy with the organic additive increases the manuring effect.
  • 17 - liquid fertilizer with a high nitrogen (N) content which comprises the basic microelements (Mo, Zn, Fe, Cu, Mn, B, S) and contains higher amount of sulphur (S); this combination of micro- and macroelements makes it extremely appropriate for rape and sunflower, leads to improvement of their efflorescence and oil content, and increases their yields.
  • composition includes the basic microelements (Mo, Zn, Fe, Cu, B, Mg), in combination with a higher boron (B) and magnesium (Mg) content for growth stimulation in the initial phases of the plant development.
  • a complex liquid fertilizer concentrate two solutions are prepared in advance - one of which contains the basic macro components (N, P, K, Ca) and the other - the microelements (Mo, Zn, Fe, Cu, Mn, B, S, Mg) in definite concentrations.
  • the examples shown in Table 1 are obtained through their mixing, while avoiding precipitation and obtaining a high-quality and clear concentrated solution having pH from 6.5 up to 7.5.
  • an organic additive in a definite concentration is added for the examples particularly specified.
  • the elements used for the production of complex liquid fertilizers are introduced using known methods, and namely: nitrogen (N) from carbamide CO(NH 2 ) 2 , ammonia sulphate (NH 4 ) 2 S0 4 , phosphorus (P) from phosphoric acid H 3 PO 4 (75 - 85 %), potassium ( ) from potassium base (KOH) - in solid state or in the form of a solution, Ca from calcium hydroxide Ca(OH) 2 ; microelements are introduced in the form of water soluble salts thereof, and namely: molybdenum from ammonia molybdate (NH 4 ) 6 Mo 7 0 2 4.4H 2 0, zinc (Zn) from zinc sulphate ZnS0 4 .7H 2 0, iron (Fe) from iron sulphate FeS0 4 .7H 2 0, copper (Cu) from copper sulphate CuS0 4 .5H 2 0, manganese (Mn) from manganese sulphate MnS0 4 .H 2 0,
  • the fertilizer prepared in this way contains the necessary amount of nutrients (micro- and macroelements) in a form accessible for the plants. It characterizes in that nitrogen is basically in an amide form and thus, it eliminates the hazard of nitrate accumulation in the treated plants. It was experimentally established that the family of complex liquid fertilizers developed has no damaging effect on the plant leaves and has a beneficial effect on the root and drop feeding.
  • the fertilizers developed according to the invention are used for treating: winter wheat, maize, sunflower and rape.
  • Table No.2 illustrates examples for the yield of a part of the cultures treated with different modifications of the liquid fertilizer according to the invention and a comparison is made with non-treated areas.
  • the complex liquid fertilizers for leave and root feeding developed according to the invention comprise also an organic additive with a concentration up to 15% by weight, the degree of uptake and the manuring efficiency are also improved.
  • All of the complex liquid fertilizers developed according to the invention are universal. They allow for satisfying the specific demands of nutrients in different amounts for the separate plant species through modification of the ratio among the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B, S, Mg), wherein they provide for optimum mineral feeding and are appropriate for leave, as well as root and drop feeding, for increasing the yield and quality of the crops grown.

Abstract

The family of complex liquid fertilizers is for leave and soil feeding of plants. They comprise contain carbamide - N-P-K, phosphoric acid and potassium hydroxide, as well as N, P2O5, K2O and at least one of the following microelements B, Cu, Fe, Mn, Mo, Zn, and an efficient amount of the EDTA chelating agent. Furthermore, (in % by weight) N is 0 up to 34, P2О5 is 0 up to 16, K2О is 0 up to 16, and said microelements bonded in a chelate form have the following concentration (in % by weight) - Mo - 0,001 up to 5,0, Zn - 0,01 up to 15,0, Fe - 0,2 up to 5,0, Cu - 0,01 up to 4,0, Mn - 0,04 up to 0,7, В - 0,01 up to 10,0, wherein it contains (in % by weight) MgO - 1 up to 5,2, S - 0 up to 6 and CaO - 0 up to 16.

Description

COMPLEX LIQUID FERTILIZER
FIELD OF THE INVENTION
The complex liquid fertilizer is intended for leave and soil feeding of plants.
BACKGROUND OF THE INVENTION
A complex liquid fertilizer - N-P-K is known [BG 63533 Bl] comprising carbamide, phosphoric acid and potassium hydroxide, as well as N - 9 up to 12 % by weight, P205 - 9 - 1 1 % by weight, K20 9 up to 1 1 % by weight, at least one of the following microelements in amounts in % by weight: 0,01 - 1 B; 0,002 - 0,2 Co; 0,02 - 0,2 Cu; 0,02 - 0,2 Fe; 0,01 - 1 Mn; 0,001 - 0, 1 Mo; 0,002 - 0,2 Zn and an efficient amount of at least one of the following chelating agents - sodium, potassium or ammonium salts of EDTA, DPTA, EDDHA, HEEDTA, EDDHMA, EDDCHA or the acids themselves.
The known complex liquid fertilizer is difficult to be formulated with an optimum ratio among the basic macroelements N:P:K and the necessary microelements. Therefore, it does not always possess the complex properties required for achieving high yields and high quality of the flora treated.
SUMMARY OF THE INVENTION
The objective of the invention is to provide a complex liquid fertilizer, with an optimum ratio among the basic macroelements N:P:K and the necessary microelements, wherein the fertilizer always possesses the complex properties required for achieving high yields and high quality of the flora treated, including the one grown by man. This objective can be met by providing a complex liquid fertilizer - N-P- K, comprising carbamide, phosphoric acid and potassium hydroxide, as well as N, P205, K20 and at least one of the following microelements B, Cu, Fe, Mn, Mo, Zn, and an efficient amount the EDTA chelating agent. In addition, it contains (in % by weight) N - 0 up to 34, P205 - 0 up to 16, K20 - 0 up to 16, while the microelements bonded in a chelate form have the following concentration (in % by weight) - Mo 0,001 up to 5,0, Zn 0,01 up to 15,0, Fe 0,2 up to 5,0, Cu 0,01 up to 4,0, Mn 0,04 up to 0,7, B 0,01 up to 10,0, wherein it contains also (in % by weight) MgO 1 up to 5,2, S 0 up to 6 and CaO 0 up to 16.
A biocomponent can be added to the complex liquid fertilizer - N-P-K (in % by weight) - 0 up to 16.
The biocomponent can be isolated and purified and can be of the bacteria family Bacillaceae type Firmicutes.
A fertilizer family of this complex liquid fertilizer provides for an optimum ratio among the basic macroelements N:P:K and Ca, together with the necessary microelements and creates synergy which always provides for the complex properties required for achieving high yields and high quality of the flora treated, including the one grown by man.
EXAMPLES OF EMBODIMENTS OF THE INVENTION
The invention can be illustrated by the following non-limiting examples (refer to Table 1 ). Table No.l
Figure imgf000004_0001
Index "O" indicates the presence of an organic additive in the composition, Index "M" refers to a mineral complex fertilizer
Water is used as an alkahest for each different modification of the liquid fertilizer, in an amount supplementing their composition to 100% by weight.
The organic additive in the composition contains fungal spores which develop on the inside and outside on the plant root and form symbiotic relation with it. Thus, they enhance the ability of the treated plant to better uptake the phosphorus (P) from the soil, make it more resistant in case of drought, adjust the water balance and contribute to better development and growth. The plant is in symbiosis with these favoured microorganisms which make it more resistant in case of higher soil temperature and are appropriate for different soil types. Furthermore, these fungal spores have a positive effect on the plant development at different root pathogenic alterations and make it more resistant to the impact of heavy metals.
In addition to the phosphorus (P) uptake from the soil, these spores assist the absorption of the remaining macroelements transporting them from the soil into the plant. Thus, the yield is increased, the development of the root system is improved and the soil is activated in a biological manner.
These microorganisms are naturally occurring in a free form; they are environmentally friendly, do not contain chemicals harmful for the environment and are completely biodegradable.
The joint application of this organic additive and the liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B, Mg, S) described according to the invention has an increased positive effect on the treated culture development and yield.
The examples shown in Table 1 illustrate the synergy among the components in different applications.
1 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Μη,Β), which joint activity improves the physiological condition of the treated plants, and the higher boron content (B) makes it appropriate for sunflower cultures for faster growth of the leave mass, consolidation of the stem and joint efflorescence.
2 - complex organic liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) and an organic additive which helps the complete uptake of macroelements; the synergy among them increases the treated culture yields and quality.
3 - provides the necessary amount of macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) and is with a higher potassium content (K) for the normal plant development, which joint action makes potatoes less vulnerable to blue and black spots, assists the grapes in sugar formation and branch ripening, and increases the durability of vegetable cultures.
4 - balanced complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) which joint action increases their physiological activity and has beneficial effect on the quality parameters of the relevant culture; it is appropriate for leave feeding of any type of cultures.
5 - the positive properties of the liquid fertilizer specified in example 4 are enhanced through its combination with the organic additive which increases the manuring effect.
6 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) in synergy with the higher phosphorus (P) and potassium (K) content which provides for higher fruit strength and size, and leads to increasing fruit durability.
7 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which are in combination with a higher zinc (Zn) content and thus make the fertilizer rather appropriate for use in cultures, for e.g., maize, vulnerable to zinc deficiency with the purpose of its overcoming. 8 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the normal development of plants, having a higher iron (Fe) content which assists in avoidance and elimination of the iron chlorosis.
9 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which composition comprises an organic additive; their synergy assists in their complete uptake by the treated plant.
10 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for stimulation of the treated culture optimum development, containing a higher copper (Cu) concentration which joint action with the remaining micro- and macroelements assists in avoidance and elimination the copper (Cu) deficiency and leads to the grain crops cold-resistance, stability, and increase in their yield and quality.
1 1 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which synergy with the organic additive increases the manuring effect.
12 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher manganese (Mn) content, stimulates the physiological activity, increases the leave quality and colour and the treated plant immunity.
13 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher manganese (Mn) content, stimulates the physiological activity, increases the leave quality and colour and the treated plant immunity, while the synergy with the organic additive contained increases the manuring effect. 14 - complex liquid fertilizer containing the basic macroelements (N,P,K,Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher boron (B) content assists efflorescence and fruit making.
15 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher boron (B) content assists efflorescence and fruit making, wherein the joint action of the comprised organic additive increases significantly the manuring effect.
16 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher sulphur (S) content increases synergy and leads to reducing the vulnerability to mildew.
17 - liquid fertilizer with a high nitrogen (N) content which comprises the basic microelements (Mo, Zn, Fe, Cu, Mn, B, S) and contains higher amount of sulphur (S); this combination of micro- and macroelements makes it extremely appropriate for rape and sunflower, leads to improvement of their efflorescence and oil content, and increases their yields.
18 - liquid fertilizer with a high nitrogen (N) content which composition includes the basic microelements (Mo, Zn, Fe, Cu, B, Mg), in combination with a higher boron (B) and magnesium (Mg) content for growth stimulation in the initial phases of the plant development.
19 - liquid calcium-ammonia nitrate containing also the basic microelements (Mo, Zn, Fe, Cu, B, Mg); the synergy among these basic components within the fertilizer composition makes it particularly appropriate for use through the fertigation process, assists the treated culture root system development, reduces the soil acidity, provides for the necessary amount of calcium (Ca) and the fruit strength increase after treatment. 20 - complex liquid fertilizer containing the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B) necessary for the plant normal development, which, in combination with the higher boron (B) content assists even efflorescence and ripening, increases the yield; it comprises also an organic additive which increases the manuring effect.
For preparation of a complex liquid fertilizer concentrate, two solutions are prepared in advance - one of which contains the basic macro components (N, P, K, Ca) and the other - the microelements (Mo, Zn, Fe, Cu, Mn, B, S, Mg) in definite concentrations. The examples shown in Table 1 are obtained through their mixing, while avoiding precipitation and obtaining a high-quality and clear concentrated solution having pH from 6.5 up to 7.5. Finally, an organic additive in a definite concentration is added for the examples particularly specified.
The elements used for the production of complex liquid fertilizers are introduced using known methods, and namely: nitrogen (N) from carbamide CO(NH2)2, ammonia sulphate (NH4)2S04, phosphorus (P) from phosphoric acid H3PO4 (75 - 85 %), potassium ( ) from potassium base (KOH) - in solid state or in the form of a solution, Ca from calcium hydroxide Ca(OH)2; microelements are introduced in the form of water soluble salts thereof, and namely: molybdenum from ammonia molybdate (NH4)6Mo7024.4H20, zinc (Zn) from zinc sulphate ZnS04.7H20, iron (Fe) from iron sulphate FeS04.7H20, copper (Cu) from copper sulphate CuS04.5H20, manganese (Mn) from manganese sulphate MnS04.H20, boron (B) from boric acid (H3BO3), sulphur (S) from ammonia sulphate (NH4)2S04, magnesium (Mg) from magnesium hydroxide Mg(OH)2.
The fertilizer prepared in this way contains the necessary amount of nutrients (micro- and macroelements) in a form accessible for the plants. It characterizes in that nitrogen is basically in an amide form and thus, it eliminates the hazard of nitrate accumulation in the treated plants. It was experimentally established that the family of complex liquid fertilizers developed has no damaging effect on the plant leaves and has a beneficial effect on the root and drop feeding.
The family of complex liquid fertilizers developed meets all parameters and is in compliance with the modern requirements to liquid fertilizers.
The fertilizers developed according to the invention are used for treating: winter wheat, maize, sunflower and rape.
Table No.2 illustrates examples for the yield of a part of the cultures treated with different modifications of the liquid fertilizer according to the invention and a comparison is made with non-treated areas.
Figure imgf000010_0001
Yield increase has been established experimentally during treatment of vegetable and fruit plants, and moreover, the beneficial effect is observed also during leave feeding of vineyards, flowers and decorative bushes.
When the complex liquid fertilizers for leave and root feeding developed according to the invention comprise also an organic additive with a concentration up to 15% by weight, the degree of uptake and the manuring efficiency are also improved.
All of the complex liquid fertilizers developed according to the invention are universal. They allow for satisfying the specific demands of nutrients in different amounts for the separate plant species through modification of the ratio among the basic macroelements (N, P, K, Ca) and microelements (Mo, Zn, Fe, Cu, Mn, B, S, Mg), wherein they provide for optimum mineral feeding and are appropriate for leave, as well as root and drop feeding, for increasing the yield and quality of the crops grown.

Claims

PATENT CLAIMS
1. A complex liquid fertilizer - N-P-K, comprising carbamide, phosphoric acid and potassium hydroxide, as well as N, P2O5, K20 and at least one of the following microelements B, Cu, Fe, Mn, Mo, Zn, and an efficient amount of the EDTA chelating agent, characterized in that (in % by weight) N is 0 up to 34, P205 is 0 up to 16, K20 is 0 up to 16, and said microelements bonded in a chelate form have the following concentration (in % by weight) - Mo - 0,001 up to 5,0, Zn - 0,01 up to 15,0, Fe -τ 0,2 up to 5,0, Cu - 0,01 up to 4,0, Mn - 0,04 up to 0,7, B - 0,01 up to 10,0, wherein it contains (in % by weight) MgO - 1 up to 5,2, S - 0 up to 6 and CaO - 0 up to 16.
2. A complex liquid fertilizer - N-P-K according to claim 1, characterized in that a biocomponent is added to the fertilizer (in % by weight) - 0 up to 16.
3. A complex liquid fertilizer - N-P-K according to claim 2, characterized in that said biocomponent is isolated and purified and is of the bacteria family Bacillaceae type Firmicutes.
PCT/BG2013/000030 2012-07-04 2013-06-28 Complex liquid fertilizer WO2014005201A1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104311205A (en) * 2014-10-08 2015-01-28 韩国强 All-element high-concentration water-culture flower nutrient mother solution and preparation method thereof
CN104892168A (en) * 2015-06-01 2015-09-09 广西大学 Nutrient solution for soilless culture of sweet peppers and preparation method of nutrient solution
CN114276189A (en) * 2021-12-31 2022-04-05 普多根(湖北)生物科技有限公司 Macroelement water-soluble fertilizer

Citations (3)

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Publication number Priority date Publication date Assignee Title
US4125393A (en) * 1974-05-08 1978-11-14 U.S. Philips Corporation ULV pesticide containing fertilizer
WO1999032419A1 (en) * 1997-12-23 1999-07-01 Alexander Leendert Frank Pons Foliar feed
BG104099A (en) * 2000-01-21 2001-10-31 Пламен КИРИЛОВ Complex nitrogen-phosphorus-potassium (n-p-k) liquid fertilizer with microelements, method for its preparation and application

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125393A (en) * 1974-05-08 1978-11-14 U.S. Philips Corporation ULV pesticide containing fertilizer
WO1999032419A1 (en) * 1997-12-23 1999-07-01 Alexander Leendert Frank Pons Foliar feed
BG104099A (en) * 2000-01-21 2001-10-31 Пламен КИРИЛОВ Complex nitrogen-phosphorus-potassium (n-p-k) liquid fertilizer with microelements, method for its preparation and application

Non-Patent Citations (1)

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Title
DATABASE EPODOC [online] EUROPEAN PATENT OFFICE, THE HAGUE, NL; 31 October 2011 (2011-10-31), KIRILOV PLAMEN P [BG]: "COMPLEX NITROGEN-PHOSPHORUS-POTASSIUM (N-P-K) LIQUID FERTILIZER WITH MICROELEMENTS, METHOD FOR ITS PREPARATION AND APPLICATION", XP002716780, Database accession no. BG-10409900-D *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104311205A (en) * 2014-10-08 2015-01-28 韩国强 All-element high-concentration water-culture flower nutrient mother solution and preparation method thereof
CN104311205B (en) * 2014-10-08 2017-04-12 韩国强 All-element high-concentration water-culture flower nutrient mother solution and preparation method thereof
CN104892168A (en) * 2015-06-01 2015-09-09 广西大学 Nutrient solution for soilless culture of sweet peppers and preparation method of nutrient solution
CN114276189A (en) * 2021-12-31 2022-04-05 普多根(湖北)生物科技有限公司 Macroelement water-soluble fertilizer

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