diff --git a/bobgreenhouse/locale/en/bobgreenhouse.cfg b/bobgreenhouse/locale/en/bobgreenhouse.cfg
index e6834d18f..34c23e3aa 100644
--- a/bobgreenhouse/locale/en/bobgreenhouse.cfg
+++ b/bobgreenhouse/locale/en/bobgreenhouse.cfg
@@ -7,7 +7,9 @@ wood-pellets=Wood fuel pellets
 
 [recipe-name]
 bob-basic-greenhouse-cycle=Grow trees
-bob-advanced-greenhouse-cycle=Grow trees with Fertiliser
+bob-advanced-greenhouse-cycle=Grow trees with fertiliser
+bob-fertiliser=Fertiliser
+bob-seedling=Germinate seedlings
 
 
 [entity-name]
diff --git a/bobgreenhouse/prototypes/entities.lua b/bobgreenhouse/prototypes/entities.lua
index 4a1744040..13366acb2 100644
--- a/bobgreenhouse/prototypes/entities.lua
+++ b/bobgreenhouse/prototypes/entities.lua
@@ -1,3 +1,11 @@
+circuit_connector_definitions["bob-greenhouse"] =
+  circuit_connector_definitions.create_vector(universal_connector_template, {
+    { variation = 27, main_offset = util.by_pixel(30.5, 15.5), shadow_offset = util.by_pixel(37, 20.5), show_shadow = false },
+    { variation = 27, main_offset = util.by_pixel(30.5, 15.5), shadow_offset = util.by_pixel(37, 20.5), show_shadow = false },
+    { variation = 27, main_offset = util.by_pixel(30.5, 15.5), shadow_offset = util.by_pixel(37, 20.5), show_shadow = false },
+    { variation = 27, main_offset = util.by_pixel(30.5, 15.5), shadow_offset = util.by_pixel(37, 20.5), show_shadow = false },
+  })
+
 data:extend({
   {
     type = "assembling-machine",
@@ -9,6 +17,8 @@ data:extend({
     collision_box = { { -1.2, -1.2 }, { 1.2, 1.2 } },
     selection_box = { { -1.5, -1.5 }, { 1.5, 1.5 } },
     max_health = 250,
+    circuit_wire_max_distance = assembling_machine_circuit_wire_max_distance,
+    circuit_connector = circuit_connector_definitions["bob-greenhouse"],
     corpse = "big-remnants",
     dying_explosion = "medium-explosion",
     fast_replaceable_group = "bob-greenhouse",
@@ -17,7 +27,7 @@ data:extend({
     energy_source = {
       type = "electric",
       usage_priority = "secondary-input",
-      emissions_per_minute = -10,
+      emissions_per_minute = { pollution = -10 },
     },
     energy_usage = "100kW", --"25kW",
     resistances = {
@@ -31,12 +41,12 @@ data:extend({
         production_type = "input",
         pipe_picture = assembler3pipepictures(),
         pipe_covers = pipecoverspictures(),
-        base_area = 10,
-        base_level = -1,
-        pipe_connections = { { type = "input", position = { 0, -2 } } },
+        volume = 1000,
+        pipe_connections = { { flow_direction = "input", position = { 0, -1 }, direction = defines.direction.north } },
+        secondary_draw_orders = { north = -1 },
       },
     },
-    allowed_effects = { "consumption", "speed", "productivity", "pollution" },
+    allowed_effects = {},
     graphics_set = {
       animation = {
         filename = "__bobgreenhouse__/graphics/entity/greenhouse.png",
@@ -60,6 +70,6 @@ data:extend({
     },
     open_sound = { filename = "__base__/sound/machine-open.ogg", volume = 0.85 },
     close_sound = { filename = "__base__/sound/machine-close.ogg", volume = 0.75 },
-    vehicle_impact_sound = { filename = "__base__/sound/car-metal-impact.ogg", volume = 0.65 },
+    impact_category = "glass",
   },
 })
diff --git a/bobgreenhouse/prototypes/items.lua b/bobgreenhouse/prototypes/items.lua
index 744981ce3..326e2b8e7 100644
--- a/bobgreenhouse/prototypes/items.lua
+++ b/bobgreenhouse/prototypes/items.lua
@@ -8,6 +8,21 @@ data:extend({
     order = "g[greenhouse]",
     place_result = "bob-greenhouse",
     stack_size = 20,
+    drop_sound = {
+      filename = "__base__/sound/item/wood-inventory-move.ogg",
+      volume = 0.85,
+      speed = 1.6,
+    },
+    inventory_move_sound = {
+      filename = "__base__/sound/item/wood-inventory-move.ogg",
+      volume = 0.85,
+      speed = 1.6,
+    },
+    pick_sound = {
+      filename = "__base__/sound/item/wood-inventory-pickup.ogg",
+      volume = 0.85,
+      speed = 1.6,
+    },
   },
   {
     type = "item",
@@ -17,6 +32,21 @@ data:extend({
     subgroup = "bob-greenhouse-items",
     order = "g[fertiliser]",
     stack_size = 100,
+    drop_sound = {
+      filename = "__base__/sound/item/low-density-inventory-pickup.ogg",
+      volume = 0.65,
+      speed = 0.7,
+    },
+    inventory_move_sound = {
+      filename = "__base__/sound/item/low-density-inventory-pickup.ogg",
+      volume = 0.65,
+      speed = 0.7,
+    },
+    pick_sound = {
+      filename = "__base__/sound/item/wire-inventory-move.ogg",
+      volume = 0.7,
+      speed = 0.6,
+    },
   },
   {
     type = "item",
@@ -28,6 +58,21 @@ data:extend({
     subgroup = "bob-greenhouse-items",
     order = "a[seedling]",
     stack_size = 200,
+    drop_sound = {
+      filename = "__base__/sound/item/resource-inventory-move.ogg",
+      volume = 0.9,
+      speed = 1.5,
+    },
+    inventory_move_sound = {
+      filename = "__base__/sound/item/resource-inventory-move.ogg",
+      volume = 0.9,
+      speed = 1.5,
+    },
+    pick_sound = {
+      filename = "__base__/sound/item/wire-inventory-pickup.ogg",
+      volume = 0.9,
+      speed = 0.6,
+    },
   },
   {
     type = "item",
@@ -40,5 +85,20 @@ data:extend({
     subgroup = "raw-resource",
     order = "a[wood-pellets]",
     stack_size = 100,
+    drop_sound = {
+      filename = "__base__/sound/item/low-density-inventory-pickup.ogg",
+      volume = 0.65,
+      speed = 0.7,
+    },
+    inventory_move_sound = {
+      filename = "__base__/sound/item/low-density-inventory-pickup.ogg",
+      volume = 0.65,
+      speed = 0.7,
+    },
+    pick_sound = {
+      filename = "__base__/sound/item/wire-inventory-move.ogg",
+      volume = 0.7,
+      speed = 0.6,
+    },
   },
 })
diff --git a/bobgreenhouse/prototypes/recipes.lua b/bobgreenhouse/prototypes/recipes.lua
index 4199e95fa..0da61dcab 100644
--- a/bobgreenhouse/prototypes/recipes.lua
+++ b/bobgreenhouse/prototypes/recipes.lua
@@ -59,7 +59,6 @@ data:extend({
       { type = "item", name = "wood", amount_min = 10, amount_max = 20 },
     },
     allow_decomposition = false,
-    allow_productivity = true,
   },
 
   {
@@ -80,7 +79,6 @@ data:extend({
       { type = "item", name = "wood", amount_min = 10, amount_max = 50 },
     },
     allow_decomposition = false,
-    allow_productivity = true,
   },
 
   {
diff --git a/bobgreenhouse/prototypes/technology.lua b/bobgreenhouse/prototypes/technology.lua
index d631bce36..8b2cb5df2 100644
--- a/bobgreenhouse/prototypes/technology.lua
+++ b/bobgreenhouse/prototypes/technology.lua
@@ -5,7 +5,7 @@ data:extend({
     icon = "__bobgreenhouse__/graphics/icons/technology/greenhouse.png",
     icon_size = 128,
     prerequisites = {
-      "steam-power",
+      "automation-science-pack",
     },
     effects = {
       {