0 present participle of terrace --
1 to build narrow strips of land on a slope so that people can plant crops there --
Ankober agriculture made extensive use of terracing and irrigation.
Their evidence shows that a fivefold increase in population led to no degradation (and possibly improvement) of soil quality, as farmers invested in terracing and other agricultural improvements.
In the discussion thus far, we have assumed that the practices i and s involve a binary choice, such as the use of terracing on a field.
The beneficiaries would then have a stronger incentive to invest in terracing, tree planting, irrigation, or the application of modern inputs, and to engage in superior conservation practices.
As discussed above, the terracing of trees indeed permits a higher penetration of lateral light.
Investments in soil conservation measures such as terracing will not be considered explicitly in the analysis.
By contrast, irrigation, terracing and wetland agriculture left visible features etched into hillsides, valleys and marshes.
The terracing and irrigation schemes which once supported an expanding population and state fell into disuse.
