diff --git a/data/common/import_.py b/data/common/import_.py
index 1f144883e..061ca0078 100644
--- a/data/common/import_.py
+++ b/data/common/import_.py
@@ -224,13 +224,13 @@ def import_simapro_csv(
     print("### Applying strategies...")
     # exclude strategies/migrations
     database.strategies = (
-        first_strategies
+        list(first_strategies)
         + [
             s
             for s in database.strategies
             if not any([e in repr(s) for e in excluded_strategies])
         ]
-        + other_strategies
+        + list(other_strategies)
     )
 
     database.apply_strategies()
diff --git a/data/import_ecoinvent.py b/data/import_ecoinvent.py
index 6a59d4b77..f49d8e7c3 100755
--- a/data/import_ecoinvent.py
+++ b/data/import_ecoinvent.py
@@ -20,6 +20,33 @@
 ]
 
 
+def organic_cotton_irrigation(db):
+    """add irrigation to the organic cotton"""
+    for ds in db:
+        if ds.get("simapro metadata", {}).get("Process identifier") in (
+            "MTE00149000081182217968",  # EI 3.9.1
+            "EI3ARUNI000011519618166",  # EI 3.10
+        ):
+            # add: irrigation//[IN] market for irrigation;m3;0.75;Undefined;0;0;0;;
+            ds["exchanges"].append(
+                {
+                    "amount": 0.75,
+                    "categories": ("Materials/fuels",),
+                    "comment": "",
+                    "loc": 0.75,
+                    "name": "irrigation//[IN] market for irrigation",
+                    "negative": False,
+                    "type": "technosphere",
+                    "uncertainty type": 2,
+                    "unit": "cubic meter",
+                }
+            )
+    return db
+
+
+STRATEGIES = [organic_cotton_irrigation]
+
+
 def main():
     projects.set_current(PROJECT)
     # projects.create_project(PROJECT, activate=True, exist_ok=True)
@@ -31,6 +58,7 @@ def main():
         import_simapro_csv(
             join("..", "..", "dbfiles", EI391),
             db,
+            first_strategies=STRATEGIES,
             excluded_strategies=EXCLUDED,
         )
     else:
@@ -40,6 +68,7 @@ def main():
         import_simapro_csv(
             join("..", "..", "dbfiles", EI310),
             db,
+            first_strategies=STRATEGIES,
             excluded_strategies=EXCLUDED,
         )
 
diff --git a/data/textile/activities.json b/data/textile/activities.json
index ca48297d9..9279d03a4 100644
--- a/data/textile/activities.json
+++ b/data/textile/activities.json
@@ -586,7 +586,8 @@
   {
     "displayName": "Production de fibres de coton bio",
     "info": "Textile > Matières > Matières naturelles",
-    "source": "Custom",
+    "source": "Ecoinvent 3.9.1",
+    "search": "fibre, cotton, organic//[RoW] fibre production, cotton, organic, ginning",
     "correctif": "",
     "step_usage": "Matières",
     "uuid": "coton-bio",
@@ -603,30 +604,7 @@
     "geographicOrigin": "Asie - Pacifique",
     "defaultCountry": "CN",
     "priority": 100,
-    "unit": "kg",
-    "impacts": {
-      "acd": 0.0306797,
-      "cch": 0.680164,
-      "etf": 5.1314,
-      "etf-c": 5.2637,
-      "fru": 1.65306,
-      "fwe": 0.0121382,
-      "htc": 5.32889e-9,
-      "htc-c": 6.73849e-11,
-      "htn": -2.36397e-7,
-      "htn-c": 3.03781e-10,
-      "ior": 0.0037548,
-      "ldu": 696.27,
-      "mru": 9.15075e-7,
-      "ozd": 1.15859e-9,
-      "pco": 0.0042632,
-      "pma": 1.97418e-7,
-      "swe": 0.0813382,
-      "tre": 0.1392,
-      "wtu": 32.2334,
-      "ecs": 618.962439739018,
-      "pef": 736.2192841211813
-    }
+    "unit": "kg"
   },
   {
     "displayName": "Production de chanvre",
diff --git a/public/data/textile/processes.json b/public/data/textile/processes.json
index 2a1d1835c..ef0a4e0ec 100644
--- a/public/data/textile/processes.json
+++ b/public/data/textile/processes.json
@@ -1102,11 +1102,11 @@
     "alias": null
   },
   {
-    "name": "Production de fibres de coton bio",
+    "name": "fibre, cotton, organic//[RoW] fibre production, cotton, organic, ginning",
     "displayName": "Production de fibres de coton bio",
     "info": "Textile > Matières > Matières naturelles",
     "unit": "kg",
-    "source": "Custom",
+    "source": "Ecoinvent 3.9.1",
     "correctif": "",
     "step_usage": "Matières",
     "uuid": "coton-bio",
@@ -1130,8 +1130,8 @@
       "swe": 0,
       "tre": 0,
       "wtu": 0,
-      "ecs": 618.9624397390182,
-      "pef": 736.2192841211813
+      "ecs": 421.8780180420624,
+      "pef": 488.6208132830078
     },
     "heat_MJ": 0,
     "elec_pppm": 0,