Remarks

There is a lot of documentation about analysis methods. Every specialist about it. The evolution goes on. many of these methods is adapted to regional peculiarities or adapted to specific cultures. We have developed a system that has a very wide range of parameters analyzed and is thus suited for tropical, subtropical, temperate regions with most desperate soil conditions and different cultures.

Extraction Method

In our Laboratory we use a combination of different methods. This has technical and historical reasons: Ir. S.D. Rispens postulated already in the early fifties that a soil analysis should reproduce veritably the soil fertility. Rispens (died in 1982) was one of the most illuminated soil analysts in Holland.

With modern calculation methods we have developed an algorithm, based on trials and experience. We focused our efforts on the nutritional dynamics of the soil.