Full article: Extent and management of acid soils for …
About 65% of the agricultural land (2.3 billion ha) is degraded , mainly due to poor fertility management practices, erosion, and acidification (Zingore et al. Citation 2015). Severely degraded soils account for about 350 million ha or 20–25% of the total land area, of which about 100 million ha is estimated to be ...