What you need to know about potato fertilizers? Useful help for gardeners

 What you need to know about potato fertilizers? Useful help for gardeners

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Growing potatoes is a laborious process, but a good harvest will be the reward for the work. By wisely using fertilizers for potatoes, you can increase it significantly. Do not forget about the fight against diseases and pests, as well as about the rules of agricultural technology. Potatoes are considered one of the most popular crops in domestic agriculture.

The climate and soil fertility in different regions differ from each other, comfortable conditions for the growth of potatoes are not everywhere, therefore, to get a good harvest, you have to use various fertilizers. To improve the "health" of potatoes, fertilizers must be used. Sometimes gardeners are afraid to use them, believing that the roots will absorb a lot of "chemistry". But there are safe drugs that will not harm the crop, but, on the contrary, will increase it.

Why fertilize?

The roots of the plant are weak, so it needs additional nutrition.

Early varieties of potatoes necessarily require additional feeding, since in a short growing season the plant must have time to develop strong tops and stock up on nutrients inside the tubers.

For this, potatoes need a large amount of substances such as potassium, nitrogen, phosphorus, which are not enough in the soil. In order to make the soil more nutritious, a variety of means are used to improve its quality and obtain a higher yield.

Types of dressings

There are several types of fertilizers: organic, mineral, organo-mineral... Correct and regular application of top dressing to the soil guarantees a good harvest of vegetable crops. When introducing these substances into the soil, one should take into account its peculiarity, composition, degree of fertility, and climate.

What fertilizers are used for feeding potatoes is described in detail here.


They are considered the safest. The most popular organic fertilizer is manure, which contains cobalt, copper, manganese, boron, and molybdenum. There are more nutrients in poultry droppings than in manure. This makes it possible to reduce the amount of top dressing applied.

Compost is prepared from dry leaves, grass, sawdust, silt and others. The compost is often mixed with poultry droppings, manure or peat. Sawdust makes the earth loose and lighter. They are dry, so it is better to apply them after watering the soil with chicken droppings or urea. Organic potato dressings are applied in the warm season - in spring or autumn, when the soil has already warmed up.


WMD contain humic compounds that help plants absorb substances useful for development and growth. This type of substance differs from other dressings by its long-lasting effect. WMD are suitable for any soil, they are used for soil with a low content of trace elements.

Due to the long action of the fertilizer, the composition of the soil changes, which positively affects the growth of potatoes. Regular use has a beneficial effect on the agrophysical properties of the soil, restoring its structure.

Granules of organo-mineral fertilizers contain a large percentage of useful microelements necessary for this vegetable crop and are quickly absorbed by it.

The advantage of organo-mineral fertilizers is:

  • the content of a large amount of nutrients and trace elements (potassium, magnesium, phosphorus, nitrogen);
  • does not contain chlorine;
  • potatoes last longer.


These funds contribute to the replenishment of the soil with nutrients: nitrogen, potassium, phosphorus. Potatoes at various stages of growth need micronutrients... During germination, potatoes need phosphorus. During active growth, the plant needs nitrogen.

Potassium is essential for preparing the plant for winter. We wrote about mineral fertilizers for potatoes in this article.

How to fertilize potatoes?

For the normal development and growth of potatoes, it is necessary that the soil contains a sufficient amount of nutrients. For feeding, both organic and inorganic types of fertilizers are used, since only the starting fertilizer is not enough.

The need to apply fertilizers for potatoes during planting is due to the fact that the root system of potatoes does not penetrate far into the depths, but develops in the surface layer of the soil. Fertilizers work great if you put them in the hole when planting potatoes..

When planting in spring

Spot (or nest) fertilization when planting is economical and more useful. In this case, the agent is applied to the well. This can be humus, agrochemicals and factory fertilizers.

Follow-up care

After the potatoes are planted, root and foliar dressing must be done.

The fertilizing process involves:

  1. Root is introduced before hilling the potatoes, having previously loosened the soil so that the nutrient mixture can more easily get to the roots of the plant.
  2. After root dressing it is necessary to water abundantly.

Important! Foliar dressing is desirable after sunset, so as not to burn the leaves of the plant. This method improves plant growth and root formation.

For more information about what fertilizers are needed for potatoes when planting in a hole and after that, read here, and you will find all detailed recommendations on this matter here.

Step-by-step instruction

Autumn fertilization of the soil improves its fertility, and spring fertilization - plant nutrition... The land for potatoes is fertilized with combined fertilizers, mixing organic matter and industrial fertilizers. When applying top dressing in the autumn period, use:

  • six buckets of humus or manure per 1 square meter;
  • superphosphate (30 g per 1 sq. m);
  • potassium sulfate (15 g per 1 m2).

If the soil is heavily infected with pests or pathogenic microflora, then agrochemicals are used, since organic fertilizers are considered a favorable environment for pests. Acidic soil can be normalized by adding lime, ash or dolomite flour (200 g per 1 sq. M) to it.

In order to fertilize the soil in the spring, nitrogen is needed, which is contained in the manure. It should be noted that a lot of manure is usually applied to vegetable gardens, but most often unprepared, dry, and therefore the yield not only does not increase, but even decreases.

Mineral and organic mixtures can be used:

  • on a bucket of humus - three tablespoons of nitrophoska and a glass of ash;
  • 20 g of potassium and ammonium nitrate are mixed with green manure;
  • 10 kg of humus, 20 g each of ammonium nitrate and potassium sulfate, 35 g of superphosphate, 450 g of dolomite flour.

How and when to fertilize the soil for potatoes, you will learn in this article.


What and how to fertilize potatoes, each gardener chooses independently, taking into account the composition of the soil, potato variety and climatic conditions.

Watch the video: 100% Potato Seed Germination And Organic Fertilizer - Simply Garden (June 2022).