diff --git a/CarbonCalculation.cs b/CarbonCalculation.cs
index c48f6c1..343cfc8 100644
--- a/CarbonCalculation.cs
+++ b/CarbonCalculation.cs
@@ -146,30 +146,46 @@ namespace FarmMapsAPI.Carbon
                 {
                     foreach (var cropYear in crops.Crops)
                     {
-                        var cropMapping = mappingCropFarmmapsMiterraRothC.FirstOrDefault(x => x.CropCode == cropYear.CropCode);
-                        if (cropMapping != null)
+                        if (!string.IsNullOrEmpty(cropYear.MiterraCropName))
                         {
-                            var orgManure = new List<OrganicManureType>();
-                            if (cropYear.OrganicManures != null)
+                            mappedCropData.Add(new HistoricalCropData
                             {
-                                foreach (var manure in cropYear.OrganicManures)
-                                {
-                                    orgManure.Add(new OrganicManureType { Type = manure.Type, Quantity = manure.Quantity });
-                                }
-                            }
-                            var crop = mappedCropData.SingleOrDefault(x => x.Year == crops.Year);
-                            if (crop == null)
-                            {
-                                mappedCropData.Add(new HistoricalCropData { Year = crops.Year, Crops = new List<OrgManureApplied> { new OrgManureApplied { Crop = cropMapping.MiterraRothCCrop, OrganicManures = orgManure, CropYield = cropYear.CropYield } } });
-                            }
-                            else
-                            {
-                                crop.Crops.Add(new OrgManureApplied { Crop = cropMapping.MiterraRothCCrop, OrganicManures = orgManure, CropYield = cropYear.CropYield, CropRes = cropYear.CropRes });
-                            }
+                                Year = crops.Year,
+                                Crops = new List<OrgManureApplied> {
+                                new OrgManureApplied {
+                                    Crop = cropYear.MiterraCropName,
+                                    OrganicManures =
+                                    cropYear.OrganicManures.Select(x => new OrganicManureType { Type = x.Type, Quantity = x.Quantity }).ToList(),
+                                    CropYield = cropYear.CropYield } }
+                            });
                         }
                         else
                         {
-                            mappedCropData.Add(new HistoricalCropData { Year = crops.Year, Crops = new List<OrgManureApplied> { new OrgManureApplied { Crop = cropYear.CropCode, OrganicManures = null, CropYield = cropYear.CropYield } } });
+                            var cropMapping = mappingCropFarmmapsMiterraRothC.FirstOrDefault(x => x.CropCode == cropYear.CropCode);
+                            if (cropMapping != null)
+                            {
+                                var orgManure = new List<OrganicManureType>();
+                                if (cropYear.OrganicManures != null)
+                                {
+                                    foreach (var manure in cropYear.OrganicManures)
+                                    {
+                                        orgManure.Add(new OrganicManureType { Type = manure.Type, Quantity = manure.Quantity });
+                                    }
+                                }
+                                var crop = mappedCropData.SingleOrDefault(x => x.Year == crops.Year);
+                                if (crop == null)
+                                {
+                                    mappedCropData.Add(new HistoricalCropData { Year = crops.Year, Crops = new List<OrgManureApplied> { new OrgManureApplied { Crop = cropMapping.MiterraRothCCrop, OrganicManures = orgManure, CropYield = cropYear.CropYield } } });
+                                }
+                                else
+                                {
+                                    crop.Crops.Add(new OrgManureApplied { Crop = cropMapping.MiterraRothCCrop, OrganicManures = orgManure, CropYield = cropYear.CropYield, CropRes = cropYear.CropRes });
+                                }
+                            }
+                            else
+                            {
+                                mappedCropData.Add(new HistoricalCropData { Year = crops.Year, Crops = new List<OrgManureApplied> { new OrgManureApplied { Crop = cropYear.CropCode, OrganicManures = null, CropYield = cropYear.CropYield } } });
+                            }
                         }
                     }
 
@@ -1493,10 +1509,6 @@ namespace FarmMapsAPI.Carbon
                         sumCarbonGreenManure += item.Value.SingleOrDefault(x => x.Key == "CarbonGreenManure")?.Value ?? 0;
                         sumCarbonCompost += item.Value.SingleOrDefault(x => x.Key == "CarbonCompost")?.Value ?? 0;
                     }
-                    sumCarbonManure = sumCarbonManure / 0.54;
-                    sumCarbonResidues = sumCarbonResidues / 0.54;
-                    sumCarbonGreenManure = sumCarbonGreenManure / 0.54;
-                    sumCarbonCompost = sumCarbonCompost / 0.54;
                     soc_Summary[(fieldLoop, yLoop)].Add(new ColumnValue("SOC_CarbonManure", sumCarbonManure));
                     soc_Summary[(fieldLoop, yLoop)].Add(new ColumnValue("SOC_CarbonResidues", sumCarbonResidues));
                     soc_Summary[(fieldLoop, yLoop)].Add(new ColumnValue("SOC_CarbonGreenManure", sumCarbonGreenManure));
@@ -1518,7 +1530,7 @@ namespace FarmMapsAPI.Carbon
 
                 var crpField = cropFieldSummary.Single(x => x.Name == item.Key.Item1);
                 var summary = crpField.Summary.Single(x => x.Year == item.Key.Item2);
-                summary.Balance = sum / 0.54;
+                summary.Balance = sum;
             }
 
             foreach (var item in socIni)
@@ -1639,13 +1651,14 @@ namespace FarmMapsAPI.Carbon
 
                 foreach (var item in soc_Summary.Where(x=>x.Key.Item2 == farm.Key.Item2))
                 {
+                    var cropfieldArea = item.Value.SingleOrDefault(x => x.Key == "Total_crop_area")?.Value ?? 0;
                     sumCarbonMan += item.Value.SingleOrDefault(x => x.Key == "SOC_CarbonManure")?.Value ?? 0;
                     sumCarbonRes += item.Value.SingleOrDefault(x => x.Key == "SOC_CarbonResidues")?.Value ?? 0;
                     sumCarbonGreenMan += item.Value.SingleOrDefault(x => x.Key == "SOC_CarbonGreenManure")?.Value ?? 0;
                     sumCarbonCom += item.Value.SingleOrDefault(x => x.Key == "SOC_CarbonCompost")?.Value ?? 0;
                     sumEmision += item.Value.SingleOrDefault(x => x.Key == "Emision")?.Value ?? 0;
 
-                    sumBal += item.Value.SingleOrDefault(x => x.Key == "Balance")?.Value / 0.54 ?? 0;
+                    sumBal += item.Value.SingleOrDefault(x => x.Key == "Balance")?.Value * cropfieldArea ?? 0;
                     sumIni += item.Value.SingleOrDefault(x => x.Key == "Initial")?.Value ?? 0;
                     sumInicc += item.Value.SingleOrDefault(x => x.Key == "IniCcontent")?.Value ?? 0;
                 }
@@ -1708,7 +1721,7 @@ namespace FarmMapsAPI.Carbon
             var soilPropertiesField = new Dictionary<string, SoilPropertyType>();
             foreach (var field in farmInput.CropFields)
             {
-                soilPropertiesField.Add(field.Name, new SoilPropertyType { OM_Cont = field.SoilProperty.OM_Const.Value, Clay_Content = field.SoilProperty.Clay_Content.Value, OM_Corr = field.SoilProperty.OM_Const.Value });
+                soilPropertiesField.Add(field.Name, new SoilPropertyType { OM_Cont = field.SoilProperty.OM_Const.Value, Clay_Content = field.SoilProperty.Clay_Content.Value, OM_Corr = field.SoilProperty.OM_Const.Value <= 20 ? field.SoilProperty.OM_Const.Value : 0 });
             }
 
             return soilPropertiesField;
diff --git a/Models/FarmMapsCarbonRequest.cs b/Models/FarmMapsCarbonRequest.cs
index c2d8ab4..3cf7517 100644
--- a/Models/FarmMapsCarbonRequest.cs
+++ b/Models/FarmMapsCarbonRequest.cs
@@ -55,6 +55,7 @@ namespace FarmMapsAPI.Carbon.Models
     {
         [Required]
         public string CropCode { get; set; }
+        public string MiterraCropName { get; set; }
         public List<OrganicManureFarmMaps> OrganicManures { get; set; }
         public int? CropYield { get; set; }
         public bool CropRes { get; set; }