C1 1948 Time of planting potatoes sett spacing and variety
C1 1949 Time of planting potatoes sett spacing and variety
C1 1950 Time of planting potatoes sett spacing and variety
C1 1952 Time of planting and variety
C1 1953 Time of planting variety and level of manuring for potatoes
C1 1957 Seed treatment for potatoes
C1 1958 Chitting and ferilizer placement for potatoes
C1 1958 Effect of sprayer wheel damage on yield of commercial potatoes
C1 1959 Chitting and ferilizer placement for potatoes
C1 1959 Time of planting and seed treatment for potatoes
C1 1960 Time of planting and seed treatment for potatoes
C1 1960 Effect of tractor wheel compaction using the robot three row planter on yield
C1 1961 Compaction and fertilizer application for potatoes
C1 1963 Compaction and fertilizer application for potatoes
C1 1964 Compaction and fertilizer application for potatoes
NAS 32 41 45 C1 1963 Depth of planting
NAS 32 41 45 C1 1964 Depth of planting
NAS 113 C1 1969 Row width x plant population
NAS 158 C1 1970 Row width x plant population
NAS 801 C1 1970 Irregularity of planting 1
NAS 801 C1 1970 Irregularity of planting
NAS 158 C1 1971 Row width x plant population
NAS 160 C1 1971 Irregularity of planting
NAS 160 C1 1972 Irregularity of planting
NAS 160 C1 1972 to 1973 Irregularity of planting