add weed and weed bale

soil.lua

@@ -194,3 +194,26 @@ minetest.register_abm({
 		end
 	end
 })
+
+-- those darn weeds
+
+minetest.register_abm({
+	nodenames = {"group:field"},
+	neighbors = {"air"},
+	interval = 50,
+	chance = 15,
+	catch_up = false,
+
+	action = function(pos, node)
+
+		if minetest.find_node_near(pos, 4, {"farming:scarecrow_bottom"}) then
+			return
+		end
+
+		pos.y = pos.y + 1
+
+		if minetest.get_node(pos).name == "air" then
+			minetest.set_node(pos, {name = "farming:weed", param2 = 2})
+		end
+	end
+})