It’s worth noting the deal also specifically increases taxes for animal agriculture above a certain size/emission threshold
For farmland type, they are specifying low-lying soils as primary targets. Low lying soil specifically because reforestation/rewilding can have higher impact
Another important thing to note is that a large amount of farmland is used for feedcrop production in general around the world. For instance, around 90% of Denmark’s cereal crop production goes to animal feed
The article was using beef and lamb as an example. It holds across much more than those