. Introduction
Agricultural production would need to increase by 70% (on average) by 2050 to cope with
the growth of the world’s population [1], which is forecasted to reach about 9.6 billion people [2].
The required crop production increase would be derived from higher yields and enhanced cropping
intensity, which, in turn, will raise the demand for agricultural input. However, in this scenario,
it is crucial to point out the potential worsening of soil degradation, water resource pollution and
atmospheric contamination. Thus, suitable agronomic practices, and particularly fertilization strategies
(e.g., organic fertilizers and amendments application), will need to be used.