Biological soil fertility in market gardening, what about it?

For years, market gardeners have shown a growing interest in the biological fertility of the soil. But how do we measure it? What’s the situation with our soils? The tools to enhance it are well known: crop rotations, organic matter, cover crops and less tillage. How do they affect fertility? How to implement them on both specialised and diversified operations? If you too are wondering about these issues, come and take a look at the findings from 3 years of ARELPAL trials!