diff --git a/definitions/experiments/ISIMIP3b.yaml b/definitions/experiments/ISIMIP3b.yaml
index c38bdc175..675101faf 100644
--- a/definitions/experiments/ISIMIP3b.yaml
+++ b/definitions/experiments/ISIMIP3b.yaml
@@ -1086,3 +1086,37 @@
   - ISIMIP3b
   sectors:
   - fire
+
+- specifier: ssp585_ssp585soc-adapt_onlygrwseasonchange
+  title: Sensitivity to changes in growing season
+  subtitles:
+  - ssp585_ssp585soc-adapt_onlygrwseasonchange
+  priority: See Table 2.5 for Group III experiment priorities
+  pre-industrial: Identical to the similar **picontrol/1850soc** run above.
+  historical: Identical to the similar **historical/histsoc** run above.
+  future:
+    climate: ssp585
+    soc: ssp585soc-adapt
+    soc_sens: onlygrwseasonchange
+  simulation_rounds:
+  - ISIMIP3b
+  sectors:
+  - agriculture
+  group3: true
+
+- specifier: ssp585_ssp585soc-adapt_onlyfertchange
+  title: Sensitivity to changes in fertilizer input
+  subtitles:
+  - ssp585_ssp585soc-adapt_onlyfertchange
+  priority: See Table 2.5 for Group III experiment priorities
+  pre-industrial: Identical to the similar **picontrol/1850soc** run above.
+  historical: Identical to the similar **historical/histsoc** run above.
+  future:
+    climate: ssp585
+    soc: ssp585soc-adapt
+    soc_sens: onlyfertchange
+  simulation_rounds:
+  - ISIMIP3b
+  sectors:
+  - agriculture
+  group3: true
diff --git a/definitions/forcing_data/gcm.yaml b/definitions/forcing_data/gcm.yaml
index 48d2a3888..bd8c5fede 100644
--- a/definitions/forcing_data/gcm.yaml
+++ b/definitions/forcing_data/gcm.yaml
@@ -62,7 +62,6 @@
   simulation_rounds:
   - ISIMIP3b
   sectors:
-  - agriculture
   - biodiversity
   - biomes
   - coastal
@@ -161,7 +160,6 @@
   simulation_rounds:
   - ISIMIP3b
   sectors:
-  - agriculture
   - biodiversity
   - biomes
   - coastal
diff --git a/definitions/forcing_data/sspsoc.yaml b/definitions/forcing_data/sspsoc.yaml
index b28924a55..4ef4edd6e 100644
--- a/definitions/forcing_data/sspsoc.yaml
+++ b/definitions/forcing_data/sspsoc.yaml
@@ -267,6 +267,7 @@
   mandatory: true
   status: under construction
   sectors:
+  - agriculture
   - water_global
   simulation_rounds:
   - ISIMIP3b
@@ -288,6 +289,7 @@
   mandatory: true
   status: under construction
   sectors:
+  - agriculture
   - biomes
   - fire
   - peat
@@ -313,6 +315,7 @@
   mandatory: true
   status: under construction
   sectors:
+  - agriculture
   - biomes
   - fire
   - peat
diff --git a/definitions/group3_requirements.yaml b/definitions/group3_requirements.yaml
index f21ae6e18..3e4a90e31 100644
--- a/definitions/group3_requirements.yaml
+++ b/definitions/group3_requirements.yaml
@@ -53,6 +53,7 @@
 - specifier: landuse
   title: Land use
   required:
+  - agriculture
   - biomes
   - fire
   - forestry
@@ -61,6 +62,7 @@
   - permafrost
   - water_global
   harmonized:
+  - agriculture
   - biomes
   - fire
   - forestry
@@ -69,6 +71,7 @@
   - permafrost
   - water_global
   sectors:
+  - agriculture
   - biomes
   - fire
   - forestry
@@ -81,7 +84,8 @@
 
 - specifier: n-deposition
   title: Nitrogen Deposition
-  required: []
+  required:
+  - agriculture
   harmonized:
   - biomes
   - fire
@@ -90,6 +94,7 @@
   - peat
   - permafrost
   sectors:
+  - agriculture
   - biomes
   - fire
   - forestry
@@ -101,10 +106,13 @@
 
 - specifier: n-fetilizer
   title: Fertilizer inputs
-  required: []
+  required:
+  - agriculture
   harmonized:
+  - agriculture
   - water_global
   sectors:
+  - agriculture
   - water_global
   datasets:
   - N-fertilizer inputs
@@ -112,10 +120,13 @@
 - specifier: irrigation
   title: Irrigation
   required:
+  - agriculture
   - water_global
   harmonized:
+  - agriculture
   - water_global
   sectors:
+  - agriculture
   - water_global
   datasets:
   - Irrigation
@@ -161,10 +172,13 @@
 
 - specifier: growing-seasons
   title: Growing seasons
-  required: []
+  required:
+  - agriculture
   harmonized:
+  - agriculture
   - water_global
   sectors:
+  - agriculture
   - water_global
   datasets:
   - Crop calendar
diff --git a/definitions/sens_scenario.yaml b/definitions/sens_scenario.yaml
index 9608ff022..7580791a4 100644
--- a/definitions/sens_scenario.yaml
+++ b/definitions/sens_scenario.yaml
@@ -212,22 +212,22 @@
   sectors:
   - biomes
 
-- specifier: 2015gs
+- specifier: onlygrwseasonchange
   description: >-
-    In this sensitivity scenario all climate-related forcings and DHF change as indicated
-    by the climate-related forcing or DHF specifier defined above while only growing
-    seasons are fixed at 2015 levels.
+    In this sensitivity scenario climate-related forcings change as indicated by the
+    climate specifier while only growing seasons change according to the DHF scenario
+    indicated by the default DHF specifie.
   simulation_rounds:
   - ISIMIP3b
   sectors:
   - agriculture
   group3: true
 
-- specifier: 2015fert
+- specifier: onlyfertchange
   description: >-
-    In this sensitivity scenario all climate-related forcings and DHF change as
-    indicated by the climate-related forcing or DHF specifier defined above while only
-    fertilizer inputs are fixed at 2015 levels.
+    In this sensitivity scenario climate-related forcings change as indicated by the
+    climate specifier while only fertilizers change according to the DHF scenario
+    indicated by the default DHF specifier.
   simulation_rounds:
   - ISIMIP3b
   sectors: