Monopotassium Phosphate: Buy

Buy monopotassium phosphate also known as MKP. Monopotassium phosphate is a fertiliser used to provide phosphorus and potassium for plants. It is the basis of many fertilisers and is very soluble in water. In addition to monopotassium phosphate, it is also commonly used as a fertiliser. potassium sulphate and the potassium nitrate . In the case of aquariums, we have a aquarium pack with the 3 main components. In Alquera you can buy monopotassium phosphate in 1Kg, 5Kg and 25Kg formats. Deliveries in 24/48h.

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Monopotassium phosphate, also known as MKP, is a fertiliser used to provide phosphorus and potassium for plants. It is the basis of many fertilisers and is very soluble in water. Along with monopotassium phosphate, potassium sulphate and potassium nitrate are also used. Phosphorus is one of the 12 essential nutrients for plant growth and development and is one of the 3 main macronutrients.

IDENTIFICATION AND PROPERTIES

Name: Monopotassium Phosphate
Synonyms: Potassium dihydrogen orthophosphate
Chemical formula: KH2PO4
EC: 231-913-4
CAS : -77-0

• Physical state: Solid (Crystalline)
• Colour: White
• Odour: Odourless
• Melting point/ Freezing point: 253ºC
• Initial boiling point and boiling range: >450ºC
• Flammability (solid/gas): Non-flammable
• Solubility(ies): Freely soluble in the following materials: cold water
• Solubility in water: >100 g/l @ 20ºC
• Explosive properties: None

USES

• Industrial use for preparing chemical mixtures
• Professional preparation of fertiliser products
• Professional use as farm fertiliser: loading and spreading.
• Professional use as fertiliser in greenhouses.
• Professional use as liquid fertiliser in the open field (e.g. fertigation).
• Professional use as fertiliser: maintenance of equipment.

SAFETY DATA SHEET

Download the safety data sheet for MKP phosphate: MSDS MONOPOTASSIUM PHOSPHATE

OTHER INFORMATION OF INTEREST

Information on plant nutrition according to crop type: Fertilisers - crops

 

USES MONOPOTASSIUM PHOSPHATE

Industrial distribution.
Industrial use for the preparation of chemical mixtures.
Professional preparation of fertiliser products.
Professional use as on-farm fertiliser: loading and spreading.
Professional use as fertiliser in greenhouses.
Professional use as liquid fertiliser in the open field (e.g. fertigation).
Professional use as fertiliser: maintenance of the equipment.

MONOPOTASSIUM PHOSPHATE FERTILISER

MKP soluble monopotassium phosphate is a loose crystalline powder that dissolves in water very easily and without leaving any residue. It can be applied using any fertigation system. The phosphorus and potassium it contains, as well as the absence of nitrogen, make it perfect for the fruit setting period or in the final period of the crop, when the supply of nutrients must be very controlled.

MKP is a high purity fertiliser that does not contain chlorine, sodium or heavy metals. It can be applied together with any soluble fertiliser except those containing calcium or with concentrated magnesium solutions in a neutral medium. As it does not contain ammonium nitrogen, its use is recommended for hydroponic crops.

The phosphorus present maintains the Stable pH around 4.5. This pH buffering characteristic of MKP is maintained in chemical mixtures, which also makes it suitable for improving the effectiveness of treatments that require a pH in that range.

PHOSPHORUS IN PLANTS

Phosphorus is one of the 12 nutrients that plants need for growth and development. Phosphorus plays a vital role in all processes that require the transfer of energy in plants, as it is involved in metabolic processes such as photosynthesis and energy transfer, as well as in the synthesis and degradation of carbohydrates. One of the ways of supplying phosphorus is with monopotassium phosphate.

How Phosphorus Affects Plants

Phosphorus deficiency for plants causes them to develop a purple colour on leaves; symptoms appear on old or dry leaves on lower leaves; generally yield loss, delayed maturity, poor forage quality of fruits, vegetables and grains are observed.

Phosphorus deficiency causes a reduction in leaf growth as well as in the number of leaves and root growth, resulting in less root mass to explore the soil for water, so that poor nutrient uptake depresses carbohydrate utilisation processes and continues production through photosynthesis, which results in the accumulation of carbohydrates and the development of dark green leaves.

Excess Phosphorus

Good control of chemical elements leads to disease resistance in plants, and in the case of phosphorus it can be obtained directly from nature. It is found with other elements in combination with which phosphates are formed.

Phosphorus enables optimal development of root growth at the beginning of the crop, thus establishing a stronger and healthier plant. However, too much phosphorus blocks the absorption of many nutrients such as calcium, copper, iron, magnesium and zinc.

How To Provide Phosphorus To Plants

The chemical used to supply phosphorus to the plants is the monopotassium phosphate

The phosphorus or biochemical phosphorus cycle naturally occurs in a closed cycle; living organisms feed on phosphorus either through decomposition processes, phosphates or phosphate rocks. These come into contact with plants through the soil, while animals acquire phosphorus through feeding on these plants.

Product Ref. Document Monopotassium Phosphate ALQ Material Safety Data Sheet MSDS:    EN          &nbsp   Monopotassium Phosphate ALQ Technical specifications

You can also see the Material Safety Data Sheets (MSDS) of all products in this section: MSDS

Weight N/A Select Format

250g

1kg

5kg

25kg

Brand

Alquera

Recognized as the global leader in quality, Haifa&#;s broad family of water-soluble fertilizers covers the entire range of nutrients that plants need for healthy development and successful yield production.

Haifa&#;s water-soluble fertilizers are ideal for highly efficient application by fertigation and foliar sprays.

HAIFA MULTI-K POTASSIUM NITRATE 13.5-0-46.2 FERTILIZER

Multi-K is the name given to Haifa's line of potassium nitrate fertilizers.  Maybe you have heard of SQM or Yara as other providers of potassium nitrate crop nutrition but Haifa is generally seen as the global leader in the category when qualtiy, solubility, and cost are factored in.

This unique sourse of potassium increases fertilizer efficiency, lowers application considerations, and in conjunction with drip irrigation decreases the environmental impact of farms across the globe.

This blend of potassium (K) and Nitrate Nitrogen (N-NO3) contains 100% plant macronutrients that are plant available and can be absorbed consistently, efficiently, and in a way that balances the needs of the crop.  Growers that select Multi-K potassium nitrate can expect yield increases, improvements in quality, and happier vegetables, field grown crops, flowers, and fruit trees.

• Fully water soluble
• Drip irrigation compatible
• Compatible with greenhouse, field, hydroponics, and indoor grown crops
• Great for chloride sensitive crops
• Fertigation and foliar friendly
• This product has a listed NPK of 13.5-0-46.2

HAIFA MAP MONO AMMONIUM PHOSPHATE 12-61-0 FERTILIZER

Haifa Mono Ammonium Phosphate known as MAP is an excellent source of both Nitrogen (N) and Phosphorus (P).  It is recommended for use at the beginning of the growth season when nitrogen is utilized by the plant for vigorus growth and phosphorus assists in the development of the root system.  This product can be tank mixed with other compatible fertilizers to meet the nutritional needs of crops throughout the growth cycle.  

Haifa MAP is a favorite product of both liquid and dry fertilizer blenders.  

An added benefit of using Haifa MAP is not only is it an excellent source of phosphorus but it also facilitates the crops uptake of phosphorus naturally present in the soil.  The addition of ammonium (NH4+) in Haifa MAP lowers the pH in the root zone and therefore enhances phosphorus availability.

• P2O5 - 61%
• P - 27%
• N-NH4 - 12%

Haifa MAP is considered extremely soluble and is made even more soluble as water temperature increases:

• 0 Degrees Celcius - 22.7g/100g water
• 10 Degrees Celcius - 29.5g/100g water
• 20 Degrees Celcius - 37.4g/100g water
• 30 Degrees Celcius - 46.4g/100g water
• 40 Degrees Celcius - 56.7g/100g water

Growers can expect the electrical conductivity (EC) to substantially increase when high concentrations of Haifa MAP are used.

Concentration (%)  0.1  0.2 0.3 1.0 5.0 EC (mS/cm) 0.86 1.66 2.5 7.4 27.8

APPLICATION RECOMMENDATIONS FROM HAIFA

Nutrigation - Due to its unique characteristics, Haifa MAP can be applied through any irrigation system and on any growing medium. Unlike phosphoric acid, Haifa MAP&#; is moderately acidic. Thus, it does not form corrosion on fertilizer pumps or irrigation equipment.

Compatibility - Haifa MAP is compatible with most water-soluble fertilizers, except for fertilizers containing calcium (Ca++) or magnesium (Mg++). To apply Haifa MAP in combination with calcium or magnesium fertilizers, use two fertilizer tanks. If the system includes only one tank, apply these fertilizers at different times.

Quantitative Nutrigation - Each kilogram of Haifa MAP in the tank provides 610 grams of phosphorus oxide (P2O5) and 120 grams of ammonium-nitrogen (N-NH4). Example: from initial establishment to flowering, open-field grown tomatoes require phosphorus at a rate of 1.5 kg P2O5 per hectare per day. To provide this, apply Haifa MAP at a rate of 2.5 kg per hectare per day. This will supply also 0.3 kg nitrogen per hectare per day. To complete nitrogen and potassium requirements, apply ammonium nitrate and Multi-K (potassium nitrate).

Proportional Nutrigation - The phosphorus concentration in the irrigation water depends on the quantity of Haifa MAP&#; in the tank mix, and on the injection ratio. Use the following table to calculate the quantity of Haifa MAP and the injection ratio needed to reach a given concentration in the irrigation water.

Haifa MAP&#; 
g/ liter water Nutrient concentration (ppm, g/ litre) N P2O5 P 100 12 61 27 130 15 79 34 149 17 90 40 185 22 112 50 370 44 225 100

NOTE: Haifa MAP should not be mixed with magnesium fertilizers or calcium fertilizers in most instances.  Perform testing prior to mixing and check for compatibility.

Foliar spray with Haifa MAP is effective in supplying phosphorus whenever quick response to deficient plants is required. It should be considered as a supplemental method to soil applied phosphorous. The concentration of Haifa MAP solutions can be increased according to leaf age.

On young leaves, a spray concentration of 0.5% Haifa MAP is recommended in most crops. On mature leaves and more tolerant crops a higher concentration (1.0% or more) may be applied.

Haifa MAP is compatible with most commonly used pesticides and fertilizers. However, as stated above, it should not be mixed with calcium or magnesium fertilizers. It is advisable to confirm compatibility of your spray-mix by preparing a sample of the spray materials at their recommended concentrations to rule out the possibility of a detrimental cross reaction. This mixture should be sprayed onto small area prior to commercial treatment, to assess whether an adverse effect occurs.

• Fully water soluble
• Drip irrigation compatible
• Compatible with greenhouse, field, hydroponics, and indoor grown crops
• Comprised of 100% plant nutrients
• Highly concentrated source of phosphorus (P) for plants (61% P2O5, 27% P)
• Chloride-free, sodium-free
• Moderately low pH (Safer and less corrosive than Urea phosphate)
• Fertigation and foliar friendly

HAIFA MKP MONOPOTASSIUM PHOSPHATE 0-32-54 FERTILIZER

Haifa MKP Monopotassium Phosphate is an amazing source of phosphorus and potassium for plants.  In fact, it is the preferred source of phosphorus and potassium when Nitrogen (N) limitation is required.

At the early stages of growth, when phosphorus and potassium are needed at high rates for the establishment of a robust root system, Haifa MKP is an excellent selection.

Then, later in the season, during the productive stages of sugar-rich fruit crops, farmers will continue usage of Haifa MKP to increase sugar content and improve fruit quality.

Haifa MKP can be applied in combination iwth many other fertilizers and plant nutrients to meet the nutritional needs of crops throughout the growth cycle.

This product has one of the industries highest purity and water solubility levels and is ideal for fertigation, nutrigation, and foliar application.  It is also suitable for liquid and dry fertilizer blends in fertilizer production.

• Contains 52% P2O5 and 34% K2O
• Fully water soluble
• Comprised of 100% plant nutrients
• Chloride-free and sodium-free
• Safe for plants and humans due to moderately low salt index and low pH

Haifa MKP is considered extremely soluble and is made even more soluble as water temperature increases:

Water temperature (ºC)

0

10

20

30

40

Solubility (g/100g water)

14.8

18.3

22.6

28.0

33.5

Growers can expect the pH to remain constant at different concentrations and the electrical conductivity (EC) to substantially increase when high concentrations of Haifa MKP are used.

Concentration (%)

0.1

0.2

0.3

1.0

PH

4.7

4.6

4.6

4.4

EC (mS/cm)

0.86

1.66

2.5

7.4

APPLICATION RECOMMENDATIONS

Nutrigation - It is recommended to use Haifa MKP as a source of phosphorus and potassium where nitrogen levels should be kept low. Featuring moderate acidity, Haifa MKP is not corrosive to fertilizer pumps or irrigation equipment. Haifa MKP is compatible with most water-soluble fertilizers, except for fertilizers containing calcium or magnesium.

Foliar nutrition - Foliar application of Haifa MKP is an optional supplement to soil fertilization at growth stages when high levels of phosphorus and potassium are required. An early season foliar application of Haifa MKP promotes the establishment of a healthy root system.  Late season applications are often seen as a ripener, hardener, and finisher.

Haifa MKP is compatible with most used pesticides and fertilizers. However, it should not be mixed with calcium or magnesium fertilizers. Iron, manganese, zinc and copper must be in the form of chelates.

Field-crops and vegetables: On young leaves, in most crops it is recommended to apply spray concentration of 1%. On mature leaves and more tolerant crops, spray concentration may be increased, up to 2%.

FRUIT TREE FOLIAR FEEDING:

Crop

Conc.

Timing

Citrus

1-3%

2-3 successive monthly sprays at early fruit development, starting 1 month after fruit-set

Stone fruits

1-2%

2-4 applications from fruit-set to fruit coloring

Banana

1-2%

2-6 applications, along with pesticides

Table grapes

1-2%

1 application during fruit-set, 1 during ripening

Wine grapes

2%

1 application during fruit-set, 1 during ripening

1%

Every 2 weeks, starting when twigs are 10-14 cm long until veraison, alternated with proper fungicide

Olives

3-5%

• 1 application in early spring for flower induction and fruit setting

• 2 applications during fruit development

• 1 application during sizing and oil filling

It is advisable to assure suitability of intended spray-mix by preparing a sample of the spray materials at their recommended concentrations in order to rule out the possibility of a detrimental cross reaction. This mixture should be sprayed on a small area prior to commercial treatment, to assess whether an adverse effect occurs.

Quantitative Nutrigation - Each kilogram of Haifa MKP in the tank provides 520 grams of P2O5 (230g P) and 340 grams of K2O (280g K).

Proportional Nutrigation - The phosphorus and potassium concentration in irrigation water depend on the quantity of Haifa MKP in the tank mix, and on the injection ratio. Use the following table to calculate the quantity of Haifa MKP and the injection ratio needed to reach your target concentration in the irrigation water.

Haifa MKP&#; 
g/ liter water

Nutrient concentration (ppm, g/ liter)

P2O5

P

K2O

K

100

52

22

34

28

110

58

25

37

31

135

70

30

46

38

180

93

40

61

51

225

116

50

76

63

100

52

22

34

28

HAIFA SOP POTASSIUM SULPHATE 0-0-51 FERTILIZER

Haifa SOP is a potassium sulphate which is suitable for fertigation and drip irrigation.  Whereas many other potassium sulphates have low solubility and are the first to precipitate out of solution, Haifa easily goes into solution and stays there.  An excellent source of both potassium and sulphur, Haifa SOP is recommended when Nitrogen (N) applications should be limited and where soil pH is high and should be lowered.

This product is readily available for plant uptake and therefore the plant does not have to work harder than necessary transporting fertilizers.  Haifa SOP is known to enhance the plant's resistance to drought, insects, disease, and frost, thus improving quality and yield.  Experienced and novice cultivators should see higher nutritional value of crops, better appearance and taste, and improved transport and storage suitability .

Haifa SOP is a crystalline dry fertilizer that is fast dissolving, highly-soluble, and virtually free of chloride.  Suitable for salt-sensitive crops.

Salt index: 46 in index

Excellent for locations that have a risk of salinity build-up and in intensive cultivation systems where water is recirculated.

Haifa SOP has a sulphur content of 18%.  

Crops that benefit from the high sulfur content of Haifa SOP include Oilseed rape, sunflower, cabbage, onion, leek, and others.

Haifa SOP will decrease the pH in the stock tank solution.  This product is Nitrogen free.

HAIFA MAG MAGNISAL MAGNESIUM NITRATE 11-0-0 FERTILIZER

Haifa magnesium nitrate fertilizer is a high-quality blend of nitrogen (N) and magnesium (Mg) best suited for early season growth when both nitrogen and magnesium are instrumental to crop growth.  The combination of N and Mg are important as the N facilitates the uptake of Mg by the plant and improves its efficiency.  

Magnesium is a crucial component of the chlorophyll molecule and is a necessary nutrient for healthy crop production.  Both the formation of carbohydrates and the photosynthetic process rely on the presence of magnesium in the crop.  Magnesium is a component involved in enzymatic reactions that generate energy for the plant and the lack thereof leads to stunted plant development, decreased yields, and low quality post-harvest product.

Magnesium deficiency can be seen as yellow bands between leaf veins.  Symptoms show first on older leaves and move toward new growth as the deficiency worsens.  Severe cases can lead to necrosis.

The benefits of Haifa MAG Magnesium Nitrate Fertilizer include:

• Prevents and reverses magnesium deficiencies
• Comprised of 100% plants nutrients
• Chloride-free, sodium-free
• Highly soluble in water
• Ideal for both fertigation and foliar feeding

In many ways Magnesium Nitrate can be superior to magnesium sulfate fertilizers.  Growers seeking less sulfates, higher nutritional value, better physical properties for convenient handing and application, and more nitrogen (N) all benefit from Haifa MAG.

The interaction between the magnesium and nitrate anion make Magnisal more readily available to the plant and easier for it to absorb.  Magnisal is more than x3 more effective than magnesium sulfate in preventing and reversing magnesium deficiencies.  Therefore, lower application rates are possible.

• Nitrogen (N): 11.0%
• Nitrate-nitrogen (N-NO3): 11.0%
• Magnesium oxide (MgO): 16%
• Magnesium (Mg): 9.6%
• Insoluble matter: 200 ppm
• Bulk density: 0.7 g/cm3, 0.4 oz/In3

Solubility: Magnisal is extremely soluble in water and dissolves quickly.  It does not form precipitate even at low temperatures.

Water temperature (°C)

0

10

20

30

40

Grams Magnisal /liter

Water temperature (°F)

32

50

68

86

104

Lbs Magnisal/gallon

14.4

16.7

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Want more information on monopotassium phosphate(mkp)? Feel free to contact us.

18.8

21.4

24.1

Haifa Magnisal is slightly acidic.  This improves absorption by the leaf surface when sprayed as a foliar and enables tank mixing with chelated nutrients and pesticides.  Compared to other fertilizers the electrical conductivity (EC) of Magnisal is relatively low:

Concentration (%)

Lbs/100 gal

pH

EC (mS/cm)

0.1

1.2

5.6

0.88

0.2

2.2

5.5

1.69

0.3

3.6

5.4

2.52

1.0

12

4.8

7.58

5.0

60

4.1

29.9

Haifa Magnisal is approximately x10 more soluble than magnesium sulfate:

 

Magnisal

Magnesium sulfate (Epsom Salt)

Solubility at 20°C

g/l

252 g/l

68°F

18.8 lbs/gal

2.1 lbs/gal

Insoluble matter

300 ppm

- ppm

Compatibility with calcium fertilizers

Compatible

Incompatible

Haifa Magnisal is ideal for fertigation and drip irrigation in both soilless, hydroponics, and soil media types.  It is compatible with all water-soluble fertilizers except concentrated phosphate solutions.  Perform a compatibility test prior to use.

Stock-solution levels and injection ratios needed to obtain specified magnesium concentrations in the irrigation water:

 

Mg concentration in the irrigation water

   

20 ppm

40 ppm

60 ppm

80 ppm

100 ppm

 

Stock solution

Injection ratio

 

25 kg / liter

8.3

16.7

25.0

33.3

41.7

Liter/m³

50 kg / liter

4.2

8.4

12.5

16.8

21

50 Lbs / 200 gallon

1.0

2.0

3.0

4.0

5.0

Oz. /gallon

100 Lbs / 200 gallon

0.5

1.0

1.5

2.0

2.5

When the injection ratio is preset, change the concentration of the stock solution to determine the concentration in the irrigation water (ppm Mg):

Target concentration

20 ppm

40 ppm

60 ppm

80 ppm

Injection ratio

kg/l

Oz/gal

kg/l

Oz/gal

kg/l

Oz/gal

kg/l

Oz/gal

1:16

3.3

0.45

6.6

0.89

10.0

1.34

13.3

1.78

1:100

20.8

2.78

41.5

5.56

62.3

8.35

83.0

11.13

1:128

26.6

3.56

53.1

7.12

79.7

10.68

106.3

14.24

1:150

31.1

4.17

62.3

8.35

93.4

12.52

124.5

16.69

1:200

41.5

5.56

83.0

11.13

124.5

16.69

166.0

22.25

Note: data refer to magnesium (Mg) levels in the irrigation water, not to magnesium oxide (MgO).

Fertigation of soil grown crops - Determine Mg needs according to soil, water, and plant tissue analyses.  Apply at 0.1 to 0.3 grams of Magnisal per liter of irrigation water (1.3 to 4 Ounces/100 gallons) per application.

Fertigation for hydroponics (Soilless media) - For the majority of crops magnesium concentration in the nutrient solution of 50 to 70 ppm MgO (30 to 40 ppm Mg) are recommended.  Be sure to subtract any Mg found in the irrigation water when calculating the crops requirements.  When two tanks are used, an A tank and a B tank, dissolve Haifa Magnisal in the tank that does not contain phosphorus (P).

NOTE: These recommendations should be regarded as general guidelines only.  To pin point an exact fertilizer program the crops specific needs, weather, soil, water, and other variables should be taken into consideration.  

Foliar - It is recommended as an efficient method for getting magnesium to the plant to foliar feed magnesium nitrate. If Mg deficiencies are detected, foliar feeding is a faster way to reverse damage.  To verify safety of suggested rates under local conditions and for specific varieties, it is recommended to spray on a few branches or plants. After 3-4 days check the tested plot for scorching symptoms.

Preparation of tank mix - Dissolve Haifa Magnisal in a small amount of water and add to the spray tank.  If applying with crop protecting agents addition of a wetting agent is not necessary.  Perform a small scale test to ensure compatibility between components prior to application.

Crop

When to apply

Spray concentration (%)

Lbs. Magnisal&#;/ 100 gal water

Citrus

1- 4 applications, when spring flush leaves are about 2/3 of final size and not yet hardened

1-1.5

8-12

Deciduous fruit- trees

3-4 applications at 14-day intervals, starting at bloom

0.5-1.5

4-12

Grapes

To prevent &#;Dry Stalk&#;: 1-3 applications at 10-day intervals, starting after bunches have formed

0.5-1

4-8

To prevent and cure chlorosis: 1-3 applications at 10-day intervals, starting after berry setting

0.5-1

4-8

Mango

1-2 applications when young leaves are about 2/3 of final size

0.5-1

4-8

Olive

&#; One week before anthesis
&#; Three weeks after bloom

0.5

6-12

Potato

3 applications at 2, 3 & 4 weeks after emergence

0.7-1.5

4-12

Tomato

At the beginning of fruiting

0.5-1.5

4-12

Cucumber

At the beginning of fruiting

0.5

4

Barley

Beginning of shooting

0.5-4

4-30

Winter
wheat

&#; Beginning of stem elongation
&#; Node formation
&#; Flag leaf sheet opening
&#; Anthesis complete

0.5

4

The given recommendations should be regarded as a general guide only. The exact fertilization program should be determined according to the specific crop needs, soil and water conditions, and the grower&#;s experience. For best results, follow the recommendation of a local crop consultant.

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