aw3831: fix yield with decimal

Models/CarbonRequest.cs

@@ -16,7 +16,6 @@ namespace CarbonService.Models
         [Required]
         public int PostalCode { get; set; }
         public List<CropField> CropFields { get; set; }
-        //public List<OrgManureApplied> OrgManureApplied { get; set; }
     }
 
     public class CropField
@@ -43,10 +42,12 @@ namespace CarbonService.Models
 
     public class OrgManureApplied
     {
+        double? yield;
+
         [Required]
         public string Crop { get; set; }
         public List<OrganicManureType> OrganicManures { get; set; }
-        public int? CropYield { get; set; }
+        public double? CropYield { get { return (int?)yield; } set { yield = value; } }
         public bool CropRes { get; set; }
     }
 
@@ -62,8 +63,6 @@ namespace CarbonService.Models
     {
         [Required]
         public int Year { get; set; }
-        //[Required]
-        //public List<string> Crops { get; set; }
         [Required]
         public List<OrgManureApplied> Crops { get; set; }
     }
@@ -81,7 +80,6 @@ namespace CarbonService.Models
         [Required]
         public string Type { get; set; }
 
-        //public string Quality { get; set; }
         [JsonConverter(typeof(StringEnumConverter))]
         public Quality Quality { get; set; }
     }