diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
index 4b2e7ea9..79929c56 100644
--- a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
@@ -221,14 +221,10 @@ public class CornField : MonoBehaviour
         }).AddTo(this);
         
         // 残り時間表示
-        IDisposable timerDisposable = null;
         resetFertilizerTimer
             .Subscribe(x =>
             {
-                timerDisposable?.Dispose();
-                fertilizerButtonView.SetButtonActive(x <= 0);
-                fertilizerButtonView.SetTime(x);
-                timerDisposable = SetFertilizerTimer(x).AddTo(this);
+                fertilizerButtonView.ResetTimer(x);
             }).AddTo(this);
         
         // 残り時間を取得
@@ -456,20 +452,6 @@ public class CornField : MonoBehaviour
         upgradeButtonBadge.SetActive(upgradePrice <= CoinManager.Instance.OwnCoin);
     }
 
-    private IDisposable SetFertilizerTimer(int time)
-    {
-        return Observable.Timer(TimeSpan.Zero,TimeSpan.FromSeconds(1f))
-            .Select(x => (int)(time - x))
-            .TakeWhile(x => x > 0)
-            .Subscribe(x =>
-            {
-                fertilizerButtonView.SetTime(x);
-            }, () =>
-            {
-                fertilizerButtonView.SetButtonActive(true);
-            });
-    }
-
     private void SetData()
     {
         var gameData = GameDataManager.GameData;
diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/FertilizerButtonView.cs b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/FertilizerButtonView.cs
index 92dec7cb..4258d382 100644
--- a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/FertilizerButtonView.cs
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/FertilizerButtonView.cs
@@ -11,6 +11,7 @@ namespace MyGame.Scenes.CornField.Scripts
         [SerializeField] private Button rewardButton;
         [SerializeField] private GameObject DisableObject;
         [SerializeField] private Text remainTimeText;
+        private IDisposable timerDisposable = null;
         public IObservable<Unit> RewardButton => rewardButton.OnClickAsObservable().TakeUntilDestroy(this);
 
         public void SetButtonActive(bool active)
@@ -19,10 +20,27 @@ namespace MyGame.Scenes.CornField.Scripts
             DisableObject.SetActive(!active);
         }
 
-        public void SetTime(int seconds)
+        private void SetTime(int seconds)
         {
             seconds = Mathf.Max(0, seconds);
             remainTimeText.text = string.Format(remainTimeFormat, seconds / 60, seconds % 60);
         }
+
+        public void ResetTimer(int time)
+        {
+            timerDisposable?.Dispose();
+            SetButtonActive(time <= 0);
+            SetTime(time);
+            timerDisposable = Observable.Timer(TimeSpan.Zero,TimeSpan.FromSeconds(1f))
+                .Select(x => (int)(time - x))
+                .TakeWhile(x => x > 0)
+                .Subscribe(x =>
+                {
+                    SetTime(x);
+                }, () =>
+                {
+                    SetButtonActive(true);
+                });
+        }
     }
 }
\ No newline at end of file