Potassium magnesia for roses: methods of application, reviews

Potassium magnesium for roses is one of the best fertilizers, which is used by most gardeners to enrich their flower beds with useful elements. Of the potassium compounds, it is the most sought after and popular. But before using this fertilizer in private floriculture, it is important to study its features, composition and become familiar with the rules of use at different times of the year.

For chlorophobic plants, which include roses, potassium magnesia is ideal

Description and composition of the fertilizer

Potassium magnesia is a substance that is a combination of magnesium and potassium sulfates. Refers to complex mineral supplements, contains: 30% potassium, 17% sulfur, 10% magnesium and only 2-3% chlorine. It is supplied to the market in the form of small granules or powder of pink, gray, brick color. The role of fertilizer in the development of plant organisms is enormous:

  • increases the resistance of roses to drought;
  • increases frost resistance;
  • provokes rapid aging of wood;
  • accelerates the flowering of the crop;
  • strengthens immunity to pests and diseases.

A deficiency of the components included in potassium magnesia manifests itself on roses as follows:

  • drying of leaf edges;
  • thinning of shoots;
  • shrinking, yellowing or blackening, falling of leaf blades;
  • poor flowering;
  • infection by chlorosis and necrosis.

Calimagnesia easily dissolves in water and is well absorbed by roses

Operating principle

Experts working in agricultural technology have proven that potassium magnesia significantly improves the quality of the soil and significantly increases its fertility. Thanks to this fertilizer, the growth of any crop is accelerated, carbon synthesis changes significantly for the better, and its effect lasts for 12 months after use.

Comment! The product is most effective on poor soil without containing chemical compounds.

It makes sense to fertilize roses growing on peat, forest, and turf soils. On loam, it is reasonable to use it in dry form; on sandy loam, embed granules together with watering. If the soil is heavy, then the product is applied to a depth of 8 cm, light soil - to a depth of 5 cm. In this case, the active substance will not be able to migrate quickly.

The substances that make up potassium magnesium act according to the following principle:

  • potassium strengthens the immune system, increases resistance to winter;
  • sulfur improves resistance to drought, radiation, and temperature changes;
  • Magnesium accelerates growth, ensures proper development, and is involved in the construction of tissues and photosynthesis.

Advantages and disadvantages

Potassium magnesium for roses is an indispensable fertilizer that has virtually no drawbacks.

The product belongs to the basic batteries

Advantages:

  • use in any season;
  • use as root and foliar feeding;
  • minimum chlorine content;
  • unlimited shelf life;
  • use in dry and dissolved form;
  • successful combination of minerals in the composition;
  • maintaining activity in the ground throughout the year;
  • acceptable price.

Flaws:

  • restriction of use on black soil;
  • harm to the earth if used incorrectly.

Deadlines for depositing

In order for the results of fertilizing roses with potassium magnesia to be noticeable, it should be applied strictly according to the schedule and within the recommended time frame. The effect will be achieved only if used correctly. Typically, the product is used three times a year according to the following scheme:

  1. The first time fertilizing roses with potassium magnesia is carried out in the spring, in May, after the soil is completely warmed up and the plant shoots begin to actively develop. Work can be carried out in two ways: along the leaf or at the root.
  2. The second time fertilizing roses with potassium magnesia is carried out in July. It is advisable to irrigate the bushes leaf by leaf after the first wave of flowering comes to an end.
  3. The third time fertilizing roses with potassium magnesia is carried out in the fall, in September, it is better to do it at the root.

At the beginning of the season, fertilizer is most useful for sandy soil and sandy loam. In autumn it is recommended to apply it to heavy soil. If necessary, fertilizing roses with potassium magnesium is allowed in August, during loosening of flower beds.

Preparation of the solution

A solution of potassium magnesia for fertilizing roses is quite simple to prepare. To do this, you need to dilute the required amount of the substance in hot water, let it brew for three days (stir daily). Drain off the sediment and water the flowers at the root.

How to fertilize roses with potassium magnesia

You can fertilize a rose leaf by leaf or at the root in liquid or dry form. The dosage in all cases will depend on the size and age of the plant:

  1. For foliar treatment, dilute 10 g of the substance in a bucket of water and irrigate the rose leaves with the resulting composition from a spray bottle.
  2. During root feeding in liquid form, young bushes require 5 liters of solution (20 g per 10 liters of water), polyanthus and miniature 10 liters (15 g per bucket of liquid), adult bushes 10 liters (20-30 g per 10 liters) ).
  3. When using dry root feeding for seedlings, 100 g of the drug is used (applied to the planting hole), polyanthus and miniature varieties need 15 g in the trunk circle, hybrid teas, floribundas and park varieties need 20 g, standard and climbing varieties - 30 g.

In spring, you can add 10 g of the substance per square meter. m of the site during its digging. At the same time, it’s good to add 1/3 of a bucket of ash. In the fall, it is also advisable to fertilize roses with potassium magnesium when digging up flower beds. The amount of feeding is doubled.

Comment! In a greenhouse or greenhouse, 40 g of the substance per square is used.

Potassium magnesia should be used on land with a lack of sulfur and potassium. The fertilizer is suitable for turf, loamy, forest soil. Enriches it with microelements necessary for the normal development of roses. Potassium magnesium is not used on chernozem and solonetz soils.

To increase the effectiveness of foliar feeding and increase the rate of absorption of the nutrient solution, experienced gardeners advise:

  • apply potassium magnesia to the underside of leaf blades;
  • carry out irrigation in calm and dry weather;
  • Spray the roses evenly, avoiding the formation of large drops on the leaves.

To measure the substance, use a matchbox - 20 g, a tablespoon - 16 g, a teaspoon - 5 g

Precautionary measures

Calimagnesia is classified as a third hazard class.The fertilizer is practically harmless to the environment, but its use may harm insects and amphibians.

When working with the drug, the gardener should protect all exposed areas of the body and prevent the product from getting into the respiratory tract and on the skin. Perform all actions wearing gloves. If fertilizer particles get into the esophagus, take up to 15 tablets of activated carbon and drink them with 0.5 liters of water.

Warning! When using potassium magnesia for roses, it is important not to neglect safety precautions.

Compatibility with other fertilizers

Potassium magnesia will only be beneficial if used correctly. In principle, the fertilizer has no contraindications, except for the prohibition of use in conjunction with pesticides, urea, and any growth stimulants.

Thanks to the ideal balance of substances, the use of potassium magnesia gives a unique effect

Conclusion

Calimagnesia for roses is an excellent fertilizer that has earned many positive reviews from gardeners. It saturates the soil with basic useful substances, due to which the crop gets sick less often, blooms more profusely, and better withstands low temperatures. The product is characterized by a long shelf life, ease of preparation and use. Virtually no harm to the environment.

Reviews on the use of potassium magnesium as a fertilizer

Potapova Ekaterina, Rostov-on-Don
For several years I have been fertilizing my roses with potassium magnesia and have noticed significant improvements in their growth and development. The drug mainly helps the bushes in winter; they do not freeze and wake up well after frosts. In addition, I noticed that the buds of my beauties have become larger.
Bogdanov Ilya, Ryazan
Calimagnesia is always in my house.I fertilize not only roses with the drug, but also other plant crops. The product is inexpensive and effective; it helps rose bushes to winter successfully, bloom profusely, and increases their resistance to diseases.
Tolmacheva Liza, Saratov
Autumn feeding of roses with potassium magnesia is an action that I cannot do without. I have been using the drug for ten years, maybe more. I believe that this is one of the best remedies to help roses not get sick and not freeze.

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