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Some conclusions from experiments with fertilizers
(2011-07-28)
Corn and cotton
(2011-07-19)
Experiments with corn
(2011-07-19)
Experiments with corn
(2011-07-19)
Co-operative soil tests of corn
(2011-07-19)
Corn and cotton
(2011-07-28)
Corn
(2011-11-29)
Experiments with corn. Meteorology report.
(2011-07-28)