diff --git a/.RData b/.RData
deleted file mode 100644
index 5181fd4..0000000
Binary files a/.RData and /dev/null differ
diff --git a/DESCRIPTION b/DESCRIPTION
index 8f70999..92d2243 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -33,7 +33,7 @@ Imports:
     zip
 Encoding: UTF-8
 LazyData: true
-RoxygenNote: 7.2.0
+RoxygenNote: 7.3.3
 URL: https://github.com/PecanProject/fieldactivity
 BugReports: https://github.com/PecanProject/fieldactivity/issues
 Suggests: 
diff --git a/R/app_server.R b/R/app_server.R
index 59f2795..167fe30 100644
--- a/R/app_server.R
+++ b/R/app_server.R
@@ -74,6 +74,15 @@ app_server <- function(input, output, session) {
         
         updateSelectInput(session, "site", choices = site_choices, selected = auth_result$user)
         
+      } else if (auth_result$user == "icos_agri_user") {
+        
+        shinyjs::enable("site")
+        shinyjs::show("site")
+        # Subset of site choices for the third user
+        site_choices <- sites[grepl("icos-agri", sites$site_type),]$site
+        
+        updateSelectInput(session, "site", choices = site_choices, selected = auth_result$user)
+        
       } else {
         
         updateSelectInput(session, "site", selected = auth_result$user)
diff --git a/R/utils_global.R b/R/utils_global.R
index 8f9189a..6165389 100644
--- a/R/utils_global.R
+++ b/R/utils_global.R
@@ -10,7 +10,7 @@ date_format_display <- "%d/%m/%Y"
 # see: “Paths hard-coded in R code”
 sites_file_path <- function() system.file("extdata", "FOsites.csv", 
                                package = "fieldactivity")
-sites <- read.csv(sites_file_path())
+sites <- read.csv(sites_file_path(), na.strings = c("", "NaN", "NULL"))
 # converts block info from csv (e.g. "[0;1]") to vectors of strings ("0" "1")
 blocks_to_vector <- function(x) strsplit(substr(x, start = 2, stop = nchar(x)-1), ";")
 sites$blocks <- sapply(sites$blocks, blocks_to_vector)
diff --git a/dev/database.sqlite b/dev/database.sqlite
deleted file mode 100644
index fa45c9b..0000000
Binary files a/dev/database.sqlite and /dev/null differ
diff --git a/inst/extdata/FOsites.csv b/inst/extdata/FOsites.csv
index 45d6d05..d4482b9 100644
--- a/inst/extdata/FOsites.csv
+++ b/inst/extdata/FOsites.csv
@@ -123,3 +123,8 @@ Hoja,Svensk Kolinlagring Site,[18A;18C;18E;29A]
 Otaniemi,CO-CARBON,[Old lawn;New lawn]
 Viikki,SMEAR-Agri,[Alaniitty 1;Alaniitty 2;Keski-hakala]
 Hauho,Lantmännen Site,[1]
+Gebesee,icos-agri,[ec]
+Selhausen,icos-agri,[ec]
+Lonzee,icos-agri,[ec]
+Grignon,icos-agri,[ec]
+Cioffi,icos-agri,[ec]