diff --git a/cavestuff/mapgen.lua b/cavestuff/mapgen.lua
index 92989bc..9857976 100644
--- a/cavestuff/mapgen.lua
+++ b/cavestuff/mapgen.lua
@@ -1,39 +1,65 @@
 --Map Generation Stuff
 
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:dirt_with_grass",
-			"default:gravel",
-			"default:stone",
-			"default:permafrost_with_stones"
-		},
-		max_count = 50,
-		rarity = 0,
-		plantlife_limit = -1,
-		check_air = true,
-		random_facedir = {0, 3}
-	},
-	{
+minetest.register_decoration({
+	decoration = {
 		"cavestuff:pebble_1",
 		"cavestuff:pebble_2"
-	}
-)
-
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:desert_sand",
-			"default:desert_stone"
-		},
-		max_count = 50,
-		rarity = 0,
-		plantlife_limit = -1,
-		check_air = true,
-		random_facedir = {0, 3}
 	},
-	{
+	place_on = {
+		"default:dirt_with_grass",
+		"default:gravel",
+		"default:stone",
+		"default:permafrost_with_stones"
+	},
+	noise_params = {
+		offset = 0,
+		scale = 0.0078125,
+		spread = {
+			y = 100,
+			z = 100,
+			x = 100
+		},
+		seed = 0,
+		octaves = 3,
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2
+	},
+	param2 = 0,
+	flags = "all_floors",
+	deco_type = "simple",
+	param2_max = 3,
+	y_min = -16,
+	y_max = 48
+})
+
+minetest.register_decoration({
+	decoration = {
 		"cavestuff:desert_pebble_1",
 		"cavestuff:desert_pebble_2"
-	}
-)
+	},
+	place_on = {
+		"default:desert_sand",
+		"default:desert_stone"
+	},
+	noise_params = {
+		offset = 0,
+		scale = 0.0078125,
+		spread = {
+				y = 100,
+				z = 100,
+				x = 100
+		},
+		seed = 0,
+		octaves = 3,
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2
+	},
+	param2 = 0,
+	flags = "all_floors",
+	deco_type = "simple",
+	param2_max = 3,
+	y_min = -16,
+	y_max = 48
+})
diff --git a/dryplants/moregrass.lua b/dryplants/moregrass.lua
index e953c27..3bc26f5 100644
--- a/dryplants/moregrass.lua
+++ b/dryplants/moregrass.lua
@@ -7,24 +7,36 @@
 -- Looked at code from:		default
 -----------------------------------------------------------------------------------------------
 
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:dirt_with_grass",
-			"stoneage:grass_with_silex",
-			"sumpf:peat",
-			"sumpf:sumpf"
-		},
-		max_count = TALL_GRASS_PER_MAPBLOCK,
-		rarity = 101 - TALL_GRASS_RARITY,
-		min_elevation = 1, -- above sea level
-		plantlife_limit = -0.9,
-		check_air = true,
-	},
-	{	"default:grass_1",
+minetest.register_decoration({
+	decoration = {
+		"default:grass_1",
 		"default:grass_2",
 		"default:grass_3",
 		"default:grass_4",
 		"default:grass_5"
-	}
-)
+	},
+	place_on = {
+		"default:dirt_with_grass",
+		"stoneage:grass_with_silex",
+		"sumpf:peat",
+		"sumpf:sumpf"
+	},
+	noise_params = {
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2,
+		offset = 0,
+		scale = 0.74,
+		spread = {
+			z = 100,
+			x = 100,
+			y = 100
+		},
+		seed = 0,
+		octaves = 3
+	},
+	flags = "all_floors",
+	deco_type = "simple",
+	y_min = 1,
+	y_max = 48
+})
\ No newline at end of file
diff --git a/trunks/generating.lua b/trunks/generating.lua
index 145a945..8a63e4c 100644
--- a/trunks/generating.lua
+++ b/trunks/generating.lua
@@ -437,8 +437,8 @@ abstract_trunks.grow_moss_on_trunk = function(pos)
 	--end
 end
 
-biome_lib.register_on_generate({
-    surface = {
+pl.register_on_generate({
+	surface = {
 		"default:tree",
 		"default:jungletree",
 		"default:pine_tree",
@@ -465,7 +465,9 @@ biome_lib.register_on_generate({
     plantlife_limit = -0.9,
 	check_air = false,
   },
-  "abstract_trunks.grow_moss_on_trunk"
+  "trunks:grow_moss_on_trunk",
+  nil,
+  abstract_trunks.grow_moss_on_trunk
 )
 end
 
diff --git a/woodsoils/generating.lua b/woodsoils/generating.lua
index c250f2a..9af10f9 100644
--- a/woodsoils/generating.lua
+++ b/woodsoils/generating.lua
@@ -94,7 +94,7 @@ biome_lib.register_on_generate({
   "abstract_woodsoils.place_soil"
 )
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {
 		"moretrees:apple_tree_sapling_ongen",
 		"moretrees:beech_sapling_ongen",
@@ -115,7 +115,9 @@ biome_lib.register_on_generate({
 	plantlife_limit = -0.9,
     check_air = false,
   },
-  "abstract_woodsoils.place_soil"
+  "woodsoils:place_soil_ongen",
+  nil,
+  abstract_woodsoils.place_soil
 )
 
 minetest.register_abm({