diff --git a/R/ZimmermannTb12.19.R b/R/ZimmermannTb12.19.R
index 41f2c236fec31d893a8697517e0ca789da2fcf34..193528b36f32607771d2438b3bddabbedbf8732a 100644
--- a/R/ZimmermannTb12.19.R
+++ b/R/ZimmermannTb12.19.R
@@ -10,8 +10,8 @@
 #'
 #' \describe{
 #'
-#' \item{\code{trat}}{Fator de níveis nominais. Tratamento aplicado em
-#'     plantas.}
+#' \item{\code{cult}}{Fator de níveis nominais. Identifica a cultivar da
+#'     planta.}
 #'
 #' \item{\code{bloco}}{Número inteiro que identifica o bloco da
 #'     observação.}
diff --git a/R/ZimmermannTb12.20.R b/R/ZimmermannTb12.20.R
index dbb5c0f15b202ac82ce701ae0c1710a26bcac2eb..e0cf7ba4856158073f2a9aade472dc319ff25567 100644
--- a/R/ZimmermannTb12.20.R
+++ b/R/ZimmermannTb12.20.R
@@ -11,8 +11,8 @@
 #'
 #' \describe{
 #'
-#' \item{\code{trat}}{Fator de níveis nominais. Tratamento aplicado em
-#'     plantas.}
+#' \item{\code{cult}}{Fator de níveis nominais. dentifica a cultivar da
+#'     planta.}
 #'
 #' \item{\code{bloco}}{Número inteiro que identifica o bloco da observação.}
 #'
diff --git a/data-raw/ZimmermannTab12.19.txt b/data-raw/ZimmermannTab12.19.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1781cd8853ff98c110ccf54d9b6c7149ff80f658
--- /dev/null
+++ b/data-raw/ZimmermannTab12.19.txt
@@ -0,0 +1,37 @@
+"cult" "bloco" "prod"
+"CNFP 8015" 1 3700
+"CNFP 8016" 1 3600
+"CNFP 8017" 1 3925
+"CNFP 8018" 1 3875
+"CNFP 8019" 1 4200
+"CNFP 8020" 1 4850
+"Diamante Negro" 1 3300
+"FT Nobre" 1 4750
+"G. Brilhante" 1 4025
+"CNFP 8015" 2 3950
+"CNFP 8016" 2 3750
+"CNFP 8017" 2 2800
+"CNFP 8018" 2 3825
+"CNFP 8019" 2 3250
+"CNFP 8020" 2 3200
+"Diamante Negro" 2 2500
+"FT Nobre" 2 4950
+"G. Brilhante" 2 3575
+"CNFP 8015" 3 4050
+"CNFP 8016" 3 3550
+"CNFP 8017" 3 2825
+"CNFP 8018" 3 4000
+"CNFP 8019" 3 3950
+"CNFP 8020" 3 3450
+"Diamante Negro" 3 4025
+"FT Nobre" 3 4700
+"G. Brilhante" 3 3125
+"CNFP 8015" 4 2950
+"CNFP 8016" 4 3000
+"CNFP 8017" 4 3600
+"CNFP 8018" 4 3825
+"CNFP 8019" 4 3375
+"CNFP 8020" 4 4200
+"Diamante Negro" 4 3950
+"FT Nobre" 4 3575
+"G. Brilhante" 4 3825
diff --git a/data-raw/ZimmermannTab12.20.txt b/data-raw/ZimmermannTab12.20.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7e23b50c6f3606f1f7c4a770899f34d6de964e16
--- /dev/null
+++ b/data-raw/ZimmermannTab12.20.txt
@@ -0,0 +1,37 @@
+"cult" "bloco" "prod"
+"CNFP 8021" 1 4075
+"CNFP 8022" 1 2544.44
+"CNFP 8023" 1 2763.89
+"CNFP 8024" 1 3036.11
+"CNFP 8025" 1 2591.67
+"CNFP 8026" 1 2652.78
+"Diamante Negro" 1 1913.89
+"FT Nobre" 1 3713.89
+"G. Brilhante" 1 2400
+"CNFP 8021" 2 2252.78
+"CNFP 8022" 2 3133.33
+"CNFP 8023" 2 2250
+"CNFP 8024" 2 2369.44
+"CNFP 8025" 2 1466.67
+"CNFP 8026" 2 2927.78
+"Diamante Negro" 2 1850
+"FT Nobre" 2 3158.33
+"G. Brilhante" 2 1827.78
+"CNFP 8021" 3 3388.89
+"CNFP 8022" 3 2866.67
+"CNFP 8023" 3 1941.67
+"CNFP 8024" 3 3033.33
+"CNFP 8025" 3 2813.89
+"CNFP 8026" 3 2838.89
+"Diamante Negro" 3 1988.89
+"FT Nobre" 3 3250
+"G. Brilhante" 3 3316.67
+"CNFP 8021" 4 2663.89
+"CNFP 8022" 4 2533.33
+"CNFP 8023" 4 2791.67
+"CNFP 8024" 4 2922.22
+"CNFP 8025" 4 2750
+"CNFP 8026" 4 2305.56
+"Diamante Negro" 4 2080.56
+"FT Nobre" 4 2877.78
+"G. Brilhante" 4 2669.44
diff --git a/data/ZimmermannTab12.19.rda b/data/ZimmermannTab12.19.rda
new file mode 100644
index 0000000000000000000000000000000000000000..51e96f822aec21f50d9ce9a411f4e538f8613274
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diff --git a/data/ZimmermannTab12.20.rda b/data/ZimmermannTab12.20.rda
new file mode 100644
index 0000000000000000000000000000000000000000..b7570dfef64fcb3c6084e4d3c8b5c7a1434bb822
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