"treatment"	"yield"
"1"	"standard"	107
"2"	"standard"	72
"3"	"standard"	88
"4"	"standard"	101
"5"	"standard"	97
"6"	"additiv"	107
"7"	"additiv"	72
"8"	"additiv"	88
"9"	"additiv"	101
"10"	"additiv"	97
