"block"	"N"	"P"	"K"	"yield"
"1"	"0"	"1"	"1"	49.5
"1"	"1"	"1"	"0"	62.8
"1"	"0"	"0"	"0"	46.8
"1"	"1"	"0"	"1"	57
"2"	"1"	"0"	"0"	59.8
"2"	"1"	"1"	"1"	58.5
"2"	"0"	"0"	"1"	55.5
"2"	"0"	"1"	"0"	56
"3"	"0"	"1"	"0"	62.8
"3"	"1"	"1"	"1"	55.8
"3"	"1"	"0"	"0"	69.5
"3"	"0"	"0"	"1"	55
"4"	"1"	"0"	"0"	62
"4"	"1"	"1"	"1"	48.8
"4"	"0"	"0"	"1"	45.5
"4"	"0"	"1"	"0"	44.2
"5"	"1"	"1"	"0"	52
"5"	"0"	"0"	"0"	51.5
"5"	"1"	"0"	"1"	49.8
"5"	"0"	"1"	"1"	48.8
"6"	"1"	"0"	"1"	57.2
"6"	"1"	"1"	"0"	59
"6"	"0"	"1"	"1"	53.2
"6"	"0"	"0"	"0"	56