Micronutrients in soil

Micronutrients in soils

Soil pH is the key. We often hear the phrase: „adequate soil pH”.

What does that mean?

This means a pH value in which the availability of macronutrients for plants is at its highest, and an acid- base balance occurs in the soil. When the soil has a pH in the range of 6.0–7.0, then the highest amounts of nitrogen, potassium, phosphorus and calcium available are available to the plant from soil resources and mineral fertilisers.

However, this situation is unfavourable for the availability of micronutrients in the soil. Paradoxically, slightly acidic and acidic soils offer the highest availability of micronutrients to plants, i.e. copper, zinc, iron, boron or manganese. In turn, alkaline soils offer the highest supply of molybdenum.

To sum up, it is necessary to strive to obtain soil pH in the range between 6.0–7.0 due to optimal macronutrient availability for plants. However, it is worth bearing in mind that in such a situation, our crops will not utilise micronutrients. They need to be administered to plants by means of a foliar treatment.

Nutrient	Share of micronutrient forms available for plants in soil in relation to the entire component pool
Boron	10%
Copper	25%
Manganese	10%
Molybdenum	19%

* According to Czuby 1996

This proves the need to use micronutrient fertilisation in cultivation with foliar preparations.

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Micronutrients in soils

Soil pH is the key. We often hear the phrase: „adequate soil pH”.What does that mean?

Soil pH is the key. We often hear the phrase: „adequate soil pH”.

What does that mean?