NAS 109 B1 1969 Cultivations and take all in wheat
NAS 146 B1 1970 Variety nitrogen and disease control in spring wheat
NAS 150 B1 1970 Cultivations and take all in wheat
1954 Nitrogen row width and seed rate for spring wheat
1955 Nitrogen row width and seed rate for spring wheat
FR35 1956 Nitrogen row width and seed rate for spring wheat
36 1955 Nitrogen manuring for spring wheat
1954 Nitrogen row width and seed rate for spring wheat
1955 Nitrogen row width and seed rate for spring wheat
B1 1953 Level and time of application of nitrogen for spring wheat
B1 1954 Nitrogen manuring for spring wheat
B1 1957 Variety x nitrogen for spring wheat
B1 1958 Variety x nitrogen for spring wheat
B1 1959 Variety x nitrogen for spring wheat
FR35 1956 Nitrogen row width and seed rate for spring wheat
FR36 1956 Nitrogen manuring for spring wheat
NAS 109 B1 1969 Cultivations and take all in wheat
NAS 110 B1 1969 Time of drilling x seed rate x nitrogen for spring wheat
NAS 146 B1 1970 Variety nitrogen and disease control in spring wheat
NAS 149 B1 1970 Time of drilling x seed rate x nitrogen for spring wheat
NAS 150 B1 1970 Cultivations and take all in wheat
NAS 149 ML 1971 Time of drilling x seed rate x nitrogen for spring wheat
1954 Nitrogen row width and seed rate for spring wheat
1955 Nitrogen row width and seed rate for spring wheat
FR35 1956 Nitrogen row width and seed rate for spring wheat
NAS 110 B1 1969 Time of drilling x seed rate x nitrogen for spring wheat
NAS 149 B1 1970 Time of drilling x seed rate x nitrogen for spring wheat
NAS 149 ML 1971 Time of drilling x seed rate x nitrogen for spring wheat
NAS 110 B1 1969 Time of drilling x seed rate x nitrogen for spring wheat
NAS 149 B1 1970 Time of drilling x seed rate x nitrogen for spring wheat
NAS 149 ML 1971 Time of drilling x seed rate x nitrogen for spring wheat
B1 1957 Variety x nitrogen for spring wheat
B1 1958 Variety x nitrogen for spring wheat
B1 1959 Variety x nitrogen for spring wheat
NAS 146 B1 1970 Variety nitrogen and disease control in spring wheat