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The home mixing of fertilizer

The home mixing of fertilizer
Paper図書
by A.T. WianckoPurdue University1924
Other Libraries in Japan

Selecting seed corn in the field

Selecting seed corn in the field
Paper図書
by G.N. Hoffer, A.T. WianckoPurdue University1922
Other Libraries in Japan

Testing seed corn

Testing seed corn
Paper図書
by G.N. Hoffer, A.T. WianckoPurdue University1921
Other Libraries in Japan

More and better wheat in Indiana Rev. ed

More and better wheat in Indiana Rev. ed
Paper図書
by A.T. WianckoPurdue University1917
Other Libraries in Japan

Inoculation of leguminous crops

Inoculation of leguminous crops
Paper図書
by A.T. WianckoPurdue University1913
Other Libraries in Japan

Hints on soil improvement

Hints on soil improvement
Paper図書
by A.T. WianckoPurdue University1913
Other Libraries in Japan

Starting alfalfa field

Starting alfalfa field
Paper図書
A.T. WianckoPurdue University, Department of Agricultural Extension1912
Other Libraries in Japan
  • Author HeadingWiancko, A. T.

Selection and preservation of seed corn

Selection and preservation of seed corn
Paper図書
by A.T. WianckoPurdue University, Department of Agricultural Extention1917
Other Libraries in Japan
  • Author HeadingWiancko, A. T. (Alfred Theodor)

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