diff --git a/changelog.txt b/changelog.txt
index 63a9745..fbbe09c 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,10 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.3.8
+Date: 2021-10-11
+  Fixes:
+    - SE: Balance core mining
+    - SE: Landfill recipe
+---------------------------------------------------------------------------------------------------
 Version: 0.3.7
 Date: 2021-07-31
   Features:
diff --git a/data-final-fixes.lua b/data-final-fixes.lua
index 239839c..e7cf08c 100644
--- a/data-final-fixes.lua
+++ b/data-final-fixes.lua
@@ -18,6 +18,9 @@ if mods["space-exploration"] then
   -- Organization
   data.raw.item["tungsten-plate"].subgroup = "plates"
   data.raw.recipe["tungsten-plate"].subgroup = "plates"
+
+  -- core mining balancing
+  util.add_to_product("se-core-fragment-omni", "tungsten-ore", -3)
 end
 
 
diff --git a/info.json b/info.json
index f3fb426..637417a 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bztungsten",
-    "version": "0.3.7",
+    "version": "0.3.8",
     "factorio_version": "1.1",
     "title": "Tungsten",
     "author": "Brevven",
diff --git a/tungsten-recipe-se.lua b/tungsten-recipe-se.lua
index 53d6234..fdcf687 100644
--- a/tungsten-recipe-se.lua
+++ b/tungsten-recipe-se.lua
@@ -5,6 +5,23 @@ if mods["space-exploration"] then
   se_delivery_cannon_recipes["tungsten-ore"] = {name= "tungsten-ore"}
   se_delivery_cannon_recipes["tungsten-plate"] = {name= "tungsten-plate"}
   se_delivery_cannon_recipes["tungsten-carbide"] = {name= "tungsten-carbide"}
+
+  data:extend({
+  {
+    type = "recipe",
+    icons = {
+      { icon = "__base__/graphics/icons/landfill.png", icon_size = 64, icon_mipmaps = 3 },
+      { icon = "__bztungsten__/graphics/icons/tungsten-ore.png", icon_size = 64, scale = 0.25},
+    },
+    name = "landfill-tungsten-ore",
+    category = "hard-recycling",
+    order = "z-b-tungsten",
+    subgroup = "terrain",
+    result = "landfill",
+    ingredients = {{"tungsten-ore", 50}},
+  }
+  })
+
   if mods["Krastorio2"] then
     data:extend({
     {