Instructions for use fertilizer superphosphate

Superphosphate is a mineral fertilizer for general use, it is formed by the decomposition of natural phosphates. Of all the macro elements, tomatoes prefer phosphorus, as it provides strength to the bushes, increases their resistance to weather changes and adverse weather conditions. At normal phosphorus in the ground, tomatoes grow faster, their fruits become more tasty. And with the lack of this macro, it is clear that the bushes are stunted in growth, and, accordingly, bear fruit worse.


  • General
  • composition of fertilizers
  • Types superphosphate
    • monophosphate
    • Granular
    • Double
    • ammoniated
  • Using
    • triple superphosphate - how to use
      • Feeding tomato seedlings
      • Feeding tomato bushes on
    • site Foliar fertilizing tomatoes
    • number
  • fertilizer Which soils used

General information

Phosphorus, which is included in its composition, has quite a lot of essential for plantcrop qualities:

  • With it, the plants begin to fruit faster;
  • Macrocell makes better taste of vegetables, fruits and berries;
  • Plant aging slows ;
  • It promotes the development of roots, roots, tubers, for example, potatoes;
  • This is one of the elements required by plants for nutrition.

Composition of fertilizer

The main element is phosphorus. It can be 20-50%.

The main thing is that phosphorus oxide( P2O5), which is in the composition of the fertilizer, is soluble in water .This ability allows you to much more quickly obtain the roots of plants foliar phosphorus.

Types of Superphosphate



Grayish powder, if the ground is sufficiently wetted, it is very difficult to notice. In it, is up to 20% of phosphorus oxide .

The effect of it is smaller than that of other species, but since it costs somewhat less, it is often used by gardeners and gardeners.


It is produced from simple superphosphate, moistening and rolling into granules with special equipment. The drug in granules is more convenient to use. It has 30% calcium sulphate and 50% phosphorus oxide .

Granulated Superphosphate


It has calcium monophosphate, which is perfectly soluble in water. But the fertilizer does not dissolve completely.


It contains 40-55% potassium sulfate and 12% sulfur .This species is perfectly soluble in water.

It is used by placing cabbage under radish, horseradish, mustard, which requires sulfur.
Ammonized Superphosphate


Double Superphosphate - How to Use

Double contribute in the spring before planting and in the fall after harvesting .That is, the fertilizer needs some time for the phosphorus to mix with the earth and further bring maximum benefit, helping the plants to grow and develop.

It is imperative that after the fertilizer is applied, it is necessary to water the soil, then the fertilizer will dissolve better and subsequently be better absorbed by plants. Greater effect gives the combination of double superphosphate with nitrogen and potassium.

Top dressing of tomato seedlings

The roots of the young tomato seedlings are not well absorbed by the simple superphosphate , therefore it is advised to use double granulated.

2 weeks after diving young tomato seedlings, solutions with phosphorus content can be diluted. Mix 1.5 st.double spoons, 2 tbsp.spoons of potassium sulfate and 2 tbsp.spoons of ammonium nitrate. Put all these substances in a ten-liter bucket of water.

Top dressing tomato seedlings with superphosphate

A second time is fed with a solution with double 2 weeks from the date of the first top dressing. Dissolve 0.5 tbsp.spoons of double superphosphate in 3 liters of pure water.

One week before planting the seedlings in the ground, it is necessary to feed it a third time. In a ten-liter bucket of water, pour 1 tbsp.spoon double superphosphate and 3 tbsp.spoons of potassium sulfate.

Feeding tomato bushes in the area of ​​

. Phosphorus contributes to the intensive development of the roots of plants. The seedlings are not superficially well absorbed by superphosphate, therefore fertilizing is done in the form of an extract or a solution.

After 2 weeks after placing the seedlings in the open ground, make fertilizer: add 500 g of manure to 2 liters of water, leave for 2-3 days. Immediately before use, pour in another 12.5 liters of water and add 25 grams of double.

Such top dressing has all the substances required by plants. You can do it 2-3 times per season.
Top-dressing of tomatoes in the ground with fertilizer with superphosphate

Extra-root feeding of tomatoes

The leaves perfectly absorb phosphorus, because of this, if you spray tomato leaves with fertilizer, the effect will be in 2-3 days .

  • For cooking, you need to dilute 1 tbsp.a boat of superphosphate or a floor of tablespoons of double superphosphate in 1 liter of hot water.
  • Then you will have a solution that has a very high concentration. Leave it to insist day.
  • Then add another 10 liters of water.
  • Spray the leaves of tomatoes with this compound.

Amount of

fertilizer In 12 kg of soil where seeds are sown, it is required to add 45 g of double or 90 g of simple, 300 g of dolomite flour, 40 g of potassium sulfate, 30 g of urea. Then the resulting substrate will have all the beneficial substances that are required for growing strong and healthy seedlings.

In the autumn, scatter on the ground for 1 m2 - 30 g double or 60 g simple, then dig up the soil, and in the spring you can plant seedlings.

Double superphosphate is added in an amount 2 times smaller than normal

. On which soils to use

A good effect is obtained from using the preparation on soils having neutral or alkaline properties.

And when it is used on lands that have , the acidic characteristics of appear difficult to assimilate by plants.

Usually, they try to make fertilizers inexpensive, that is, they take cheap and not pure raw materials for the production of superphosphate. As a result, there is no difference when using fertilizer on any type of land, in addition to acidic.

Superphosphate is required to be added to such soils, is of the highest quality , according to the instructions, since otherwise it will be converted into phosphates of iron and aluminum and the roots of plants will not absorb it.

Superphosphate fertilizer helps plants to form fruits, improves their taste, it is necessary for the growth and development of the root system and the nutrition of the whole plant.

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