Seems like the easiest solution is to make the land valuable in its current form. In the US there's a federal program to control the amount of wheat produced by

Seems like the easiest solution is to make the land valuable in its current form. In the US there's a federal program to control the amount of wheat produced by paying farmers to let their wheat fields lie fallow. I assume though that a palm oil plantation is quite a bit more valuable than a wheat field.....