During the growing season, it is important to know how much nitrogen is immediately available for plant uptake. Nitrogen Analysis (N-mineral) is a rapid soil test that determines the amount of readily available nitrogen in the soil moisture.

This includes mineral nitrogen in the form of ammonium (NH₄) and nitrate (NO₃), the forms of nitrogen that can be taken up directly by the crop. With this up-to-date information, you can make timely adjustments through targeted supplementary fertilisation.

View the sample report.

What is Nitrogen Analysis? 

Nitrogen Analysis measures the amount of ammonium nitrogen and nitrate nitrogen dissolved in the soil moisture. These forms of nitrogen play a key role in determining how well a crop can grow at a given moment.

The analysis provides a practical and directly applicable assessment of the current nitrogen availability in the soil, enabling you to fine-tune fertilisation during the growing season with greater precision.

Why immediately available nitrogen matters

The availability of nitrogen is constantly changing due to crop uptake, rainfall, temperature and mineralisation. Deficiencies can develop rapidly and have a direct impact on crop growth and yield.

Nitrogen Analysis enables you to:

• respond quickly to changing field conditions;

• reduce the risk of nitrogen deficiencies;

• make more efficient use of fertiliser applications.

With an up-to-date understanding of mineral nitrogen (N-min) levels in the soil, you can apply the right amount of nitrogen at the right time, supporting optimal crop performance and nutrient use efficiency.

How does Nitrogen Analysis work and what are the alternatives?

For this analysis, a representative soil sample is tested for ammonium-N, nitrate-N, and the calculated amount of available nitrogen. The analysis is carried out using established and accredited methods. The results are translated into a practical fertilisation recommendation, enabling you to determine immediately whether supplementary fertilisation is required and, if so, in what quantity.

For a broader overview of all readily available nutrients, Nitrogen Analysis can be combined with SoilCheck, which also includes other macro- and micronutrients.

When is Nitrogen Analysis used?
 

Nitrogen Analysis is particularly useful when you need a rapid assessment of current nitrogen availability during the growing season. It is ideal during early growth stages, following periods of heavy rainfall or drought, or when crop development is lagging and you want to determine whether nitrogen deficiency may be the cause.

The analysis can also be used after crop establishment as part of the Supplementary Fertilisation Monitor (BijmestMonitor), where both soil and crop are assessed to provide a complete picture of nutrient status.