In the early eighties, or thereabouts, the government of South Africa was handing out subsidies to farmers to build farm dams. It was all about building infrastructure, and I guess on some level about food security in an isolated, alienated apartheid nation.  Farmers in our neck of the woods (KZN midlands) built dams. Pretty ones. Some had London planes planted next to them, or liquid ambers. There were concrete benches, and braai places built. Trout were stocked. Some irrigation happened, but I don’t think there was as much of that as the then government expected or hoped. Those Trout grew