Currently, the Social Security Board of Trustees projects program cost to rise by 2035 so that taxes will be enough to pay for only 75 percent of scheduled benefits. This increase in cost results from population aging, not because we are living longer, but because birth rates dropped from thr...
However, it is also interesting to note that the adoption of multiple species of CCs has not provided significant benefits in comparison with well-adapted single cover-crop species. These results are in agreement with [93], even if their impact tended to be positive. This behaviour could be ...