diff --git a/FarmmapsApi/Services/GeneralService.cs b/FarmmapsApi/Services/GeneralService.cs
index 6b452a0..ce0a792 100644
--- a/FarmmapsApi/Services/GeneralService.cs
+++ b/FarmmapsApi/Services/GeneralService.cs
@@ -22,14 +22,20 @@ namespace FarmmapsApi.Services
         }
 
         public async Task<Item> CreateCropfieldItemAsync(string parentItemCode, string name, int year,
-            string fieldGeomJson, string data = "{}") {
-            var currentYear = new DateTime(year, 1, 1);
+            string fieldGeomJson, string data = "{}", DateTime startDate = new DateTime(), DateTime endDate = new DateTime() )
+        {
+            //If user provides no startDate or endDate, then set startDate and endDate to full year provided through 'year'
+            if (startDate == new DateTime() || endDate == new DateTime())
+            {
+                startDate = new DateTime(year, 1, 1);
+                endDate = new DateTime(year, 12, 31);
+            }
             var cropfieldItemRequest = new ItemRequest() {
                 ParentCode = parentItemCode,
                 ItemType = CROPFIELD_ITEMTYPE,
                 Name = name,
-                DataDate = currentYear,
-                DataEndDate = currentYear.AddYears(1).AddDays(-1),
+                DataDate = startDate,
+                DataEndDate = endDate,
                 Data = JObject.Parse(data),
                 Geometry = JObject.Parse(fieldGeomJson)
             };
@@ -38,10 +44,14 @@ namespace FarmmapsApi.Services
         }
 
         public async Task<Item> CreateOperationItemAsync(string cropRecordingItemCode, int year,
-            string fieldGeomJson, string data = "{}")
+            string fieldGeomJson, string data = "{}", DateTime startDate = new DateTime(), DateTime endDate = new DateTime())
         {
-            // not sure if here we also need to specify DataDate, DataEndDate & Geometry. Do it just in case
-            var currentYear = new DateTime(year, 1, 1);
+            //If user provides no startDate or endDate, then set startDate and endDate to full year provided through 'year'
+            if (startDate == new DateTime() || endDate == new DateTime())
+            {
+                startDate = new DateTime(year, 1, 1);
+                endDate = new DateTime(year, 12, 31);
+            }
             JObject jdata = JObject.Parse(data);
             string name = string.Format($"CrpRec Operation, {jdata.GetValue("name")}");
 
@@ -50,8 +60,8 @@ namespace FarmmapsApi.Services
                 ParentCode = cropRecordingItemCode,
                 ItemType = CROPOP_ITEMTYPE,
                 Name = name,
-                DataDate = currentYear,
-                DataEndDate = currentYear.AddYears(1).AddDays(-1),
+                DataDate = startDate,
+                DataEndDate = endDate,
                 Data = jdata,
                 Geometry = JObject.Parse(fieldGeomJson)
             };
@@ -59,18 +69,23 @@ namespace FarmmapsApi.Services
             return await _farmmapsApiService.CreateItemAsync(operationItemRequest);
         }
         public async Task<Item> CreateCropfieldCharacteristicItemAsync(string cropfieldItemCode, int year,
-            string fieldGeomJson, string data = "{}")
+            string fieldGeomJson, string data = "{}", DateTime startDate = new DateTime(), DateTime endDate = new DateTime())
         {
+            //If user provides no startDate or endDate, then set startDate and endDate to full year provided through 'year'
+            if (startDate == new DateTime() || endDate == new DateTime())
+            {
+                startDate = new DateTime(year, 1, 1);
+                endDate = new DateTime(year, 12, 31);
+            }
             // not sure if here we also need to specify DataDate, DataEndDate & Geometry. Do it just in case
             string name = "Cropfield characteristic";
-            var currentYear = new DateTime(year, 1, 1);
             ItemRequest cropfieldCharactericsticItemRequest = new ItemRequest()
             {
                 ParentCode = cropfieldItemCode,
                 ItemType = CROPCHAR_ITEMTYPE,
                 Name = name,
-                DataDate = currentYear,
-                DataEndDate = currentYear.AddYears(1).AddDays(-1),
+                DataDate = startDate,
+                DataEndDate = endDate,
                 Data = JObject.Parse(data),
                 Geometry = JObject.Parse(fieldGeomJson)
             };
diff --git a/FarmmapsKPI/KPIApplication.cs b/FarmmapsKPI/KPIApplication.cs
index a64f442..1fa53f6 100644
--- a/FarmmapsKPI/KPIApplication.cs
+++ b/FarmmapsKPI/KPIApplication.cs
@@ -42,11 +42,12 @@ namespace FarmmapsKPI
             KPIInput input;
             string fnKPIinput;
 
-            //Console.WriteLine("Type name of input json file. Example: KPIinput.json (in same directory as FarmmapsKPI.exe) or C:/temp/KPIinputChemieTmp.json");
-            //fnKPIinput = Console.ReadLine();
-            //if (string.IsNullOrEmpty(fnKPIinput))
-
-            fnKPIinput = "KPIinput.json"; 
+            Console.WriteLine("Type name of input json file. Example: KPIinput.json (in same directory as FarmmapsKPI.exe) or C:/temp/KPIinputChemieTmp.json");
+            fnKPIinput = Console.ReadLine();
+            if (string.IsNullOrEmpty(fnKPIinput))
+            {
+                fnKPIinput = "KPIinput.json";
+            }
 
             var fieldsInputJson = File.ReadAllText(fnKPIinput);
 
@@ -153,7 +154,7 @@ namespace FarmmapsKPI
             {
                 _logger.LogInformation($"Creating cropfield with name '{fieldName}'");
                 cropfieldItem = await _generalService.CreateCropfieldItemAsync(myDriveRoot.Code,
-                    $"{fieldName}", cropYear, input.GeometryJson.ToString(Formatting.None), input.DataCropfield.ToString(Formatting.None));
+                    $"{fieldName}", cropYear, input.GeometryJson.ToString(Formatting.None), input.DataCropfield.ToString(Formatting.None), input.StartDate, input.EndDate);
                 _settings.CropfieldItemCode = cropfieldItem.Code;
                 SaveSettings(settingsfile);
             }
diff --git a/FarmmapsKPI/Models/KPIInput.cs b/FarmmapsKPI/Models/KPIInput.cs
index 2fef5d9..8d2df12 100644
--- a/FarmmapsKPI/Models/KPIInput.cs
+++ b/FarmmapsKPI/Models/KPIInput.cs
@@ -7,6 +7,7 @@ namespace FarmmapsKPI.Models
     {
         public bool UseExistingCropfieldWithChildren { get; set; }
         public bool DeleteNewlyCreatedAfterCalc { get; set; }
+        public string fieldName { get; set; }
         public string CropfieldItemCode { get; set; }
         public JObject DataCropfield { get; set; }
         public string CropRecordingItemCode { get; set; }
@@ -17,8 +18,9 @@ namespace FarmmapsKPI.Models
         public JObject DataCropfieldCharacteristic { get; set; }
         public string DownloadFolder { get; set; }
         public int CropYear { get; set; }
+        public DateTime StartDate { get; set; }
+        public DateTime EndDate { get; set; }
         public JObject GeometryJson { get; set; }
-        public string fieldName { get; set; }
 
     }
 }
\ No newline at end of file