The art is solid but it's a bit all over the place and so you may not get what you need from a "farming & production" pack (more info below). On top of that, the license is pretty restrictive and covers a ton of edge cases (including wikis for your game) so make sure to read through that before purchasing.
You get 100 icons which is great value, except for the fact that they generally cover 10 different categories of "farming & production". For example this includes a chicken and an egg, but no other farm animals. It includes cooked foods without the raw versions. It has assets for painting, but only 4 of them; a paint brush, paint palette, an empty canvas, and a finished painting. There's enough to do something within each category, but not enough to create a full feature around that category whether it's farming, cooking, creating art, etc...