N, P and K released by the field decomposition of residues of a pea-wheat-sunflower rotation

A common agricultural policy rule has banned the burning of wheat stubble. It might gradually increase the surface under no-till in Europe. The release dynamics of nutrients from the crop residues left on the soil surface has rarely been studied under Mediterranean climate conditions. As part of a long-term experiment started in 1982, a field study was… CONTINUE READING