Sudan planted Acacia senegal across drylands; years later, older plantations had more carbon but grasslands still held more soil moisture |
Acacia Senegal. Image Credit: Wikipedia Planting trees in Sudan’s drylands changed the soil in ways that became clearer as the plantations grew older. Acacia Senegal gradually built up more organic carbon and improved the soil’s ability to hold water for plants. A 2018 study titled ‘Changes in soil hydraulic properties, soil moisture and water balance…