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Residual N for dryland forage crops
(1974-02-06)
Response of cereal varieties to fertilizer
(1974-02-06)
Magnetized seed in Saskatchewan
(1976-02-11)
Effects of residual phosphorus on yield of wheat
(1975-02-12)
Results of soil fertility research
(1971-02-19)
Response of wheat to fertilizer in the southwest
(1979-02-19)