Mods in den Spieleordner reingeschoben. So richtig tief.

mods/farming/crops/cucumber.lua

@@ -63,7 +63,7 @@ def.selection_box = farming.select_final
 def.drop = {
 	items = {
 		{items = {"farming:cucumber 2"}, rarity = 1},
-		{items = {"farming:cucumber 2"}, rarity = 2}
+		{items = {"farming:cucumber"}, rarity = 2}
 	}
 }
 minetest.register_node("farming:cucumber_4", table.copy(def))
@@ -79,4 +79,22 @@ farming.registered_plants["farming:cucumber"] = {
 }
 
 -- mapgen
-farming.register_decoration("cucumber",4)
+
+minetest.register_decoration({
+	deco_type = "simple",
+	place_on = {
+		"default:dirt_with_grass", "mcl_core:dirt_with_grass", "ethereal:prairie_dirt"
+	},
+	sidelen = 16,
+	noise_params = {
+		offset = 0,
+		scale = farming.cucumber,
+		spread = {x = 100, y = 100, z = 100},
+		seed = 245,
+		octaves = 3,
+		persist = 0.6
+	},
+	y_min = 1, y_max = 20,
+	decoration = "farming:cucumber_4",
+	spawn_by = {"group:water", "group:sand"}, num_spawn_by = 1
+})