diff --git a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
index 77b571f1..1cf56902 100644
--- a/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
+++ b/popcorn/Assets/MyGame/Scenes/CornField/Scripts/CornField.cs
@@ -50,26 +50,21 @@ public class CornField : MonoBehaviour
     
     private readonly CompositeDisposable compositeDisposable = new CompositeDisposable();
     private readonly Subject<int> resetFertilizerTimer = new Subject<int>();
+    private bool isFertilizing;
     
     // Start is called before the first frame update
     void Start()
     {
         compositeDisposable.AddTo(this);
         resetFertilizerTimer.AddTo(this);
-#if UNITY_EDITOR
-        this.UpdateAsObservable()
-            .Where(_ => Input.GetKeyDown(KeyCode.R))
-            .Take(1)
-            .Subscribe(_ => TransitionManager.Instance.LoadScene(GameScenes.CornField)).AddTo(this);
-#endif
-        
+
         SoundManager.Instance.PlayBGM("bgm_Main");
         // データ
         var gameData = GameDataManager.GameData;
         CoinManager.Instance.ChangeCoin(gameData.Coin);
         HeartMeter.Instance.Initialize(gameData.ViewedShopLevel, gameData.Heart);
         GameDataObserver.Instance.ShopLevelUpdate
-            .Where(x => x)
+            .Where(x => x && !isFertilizing)
             .Subscribe(x =>
             {
                 LocalCacheManager.Save(ShopLevelUp.DataTag, gameData.ViewedShopLevel + 1);
@@ -102,6 +97,7 @@ public class CornField : MonoBehaviour
 #endif
                 GameDataManager.SaveGameData();
                 
+                isFertilizing = true;
                 SoundManager.Instance.PlayBGM("bgm_fertilizer");
                 brotherFertilizerAnimation.StartAnimation();
                 // button非表示
@@ -151,6 +147,7 @@ public class CornField : MonoBehaviour
 
                         this.CallWaitForSeconds(fertilizerFinishWaitTime, () =>
                         {
+                            isFertilizing = false;
                             // ボタン表示復活
                             fertilizerButtonView.gameObject.SetActive(true);
                             promoteGrowthButton.gameObject.SetActive(true);
diff --git a/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs b/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
index cce00c8a..6afccd84 100644
--- a/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
+++ b/popcorn/Assets/MyGame/Scripts/GameDataObserver.cs
@@ -38,6 +38,7 @@ public class GameDataObserver : SingletonMonoBehaviour<GameDataObserver>
                 Observable.Interval(TimeSpan.FromSeconds(x))
                     .Select(_ => UnityEngine.SceneManagement.SceneManager.sceneCount)
                     .DistinctUntilChanged()
+                    .Delay(TimeSpan.FromSeconds(.4f))
                     // .Do(c => { Debug.Log($"sceneCount:{c}");})
                 )
             .Switch();