C1 1948 Nitrophosphate for potatoes
C1 1953 Time of planting variety and level of manuring for potatoes
C1 1954 Growth stimulant on potatoes
C1 1954 Level of manuring for potatoes 1
C1 1954 Level of manuring for potatoes
C1 1954 NPK manuring on king edward and majestic potatoes 1
C1 1954 NPK manuring on king edward and majestic potatoes
C1 1955 Level of manuring for potatoes 1
C1 1955 Level of manuring for potatoes
C1 1955 NPK manuring on king edward and majestic potatoes 1
C1 1955 NPK manuring on king edward and majestic potatoes
C1 1956 Level of manuring for potatoes 1
C1 1956 Level of manuring for potatoes
C1 1956 NPK manuring on king edward and majestic potatoes 1
C1 1956 NPK manuring on king edward and majestic potatoes
C1 1957 Chitting and ferilizer placement for potatoes
C1 1957 NPK manuring on king edward and majestic potatoes
C1 1958 Chitting and ferilizer placement for potatoes
C1 1959 Chitting and ferilizer placement for potatoes
C1 1961 Compaction and fertilizer application for potatoes
C1 1962 Compaction and fertilizer application for potatoes
C1 1963 Compaction and fertilizer application for potatoes
C1 1964 Compaction and fertilizer application for potatoes
F5 1963 Pea potato rotational manuring
F5 1964 Pea potato rotational manuring
F5 1965 Pea potato rotational manuring
NAS 92 1968 Poliverdal foliar feed for potatoes
NAS 116 1969 Poliverdal foliar feed for potatoes
NAS 802 1971 Timing of applying phosphate and potash
NAS 805 1973 Fertilizer in relation to quality and to damage susceptibility
NAS 805 1974 Fertilizer in relation to quality and to damage susceptibility
NAS 805 1975 Fertilizer in relation to quality and to damage susceptibility