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Soil bacteria and phosphates (Bulletin. No.190)

Soil bacteria and phosphates (Bulletin. No.190)
Paper図書
by Cyril G. Hopkins and Albert L. WhitingIllinois. University. Agricultural Experiment Station1916
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Whiting, Albert L. Illinois. ...

The farm that won't wear out

The farm that won't wear out
Paper図書
[by] Cyril G. HopkinsRichard G. Badgerc1913
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G.

Bread from stones 2nd ed. (Circular, No.168)

Bread from stones 2nd ed. (Circular, No.168)
Paper図書
by Cyril G. HopkinsIllinois. University. Agricultural Experiment Station1913
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Illinois. University. Agricul...

The story of the soil

The story of the soil
Paper図書
by Cyril G. HopkinsRichard G. Badgerc1911
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G.

The story of the soil : from the basis of absolute science and real life

The story of the soil : from the basis of absolute science and real life
Paper図書
by Cyril G. HopkinsRichard G. Badger1911, c1910
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G.

Soil fertility and permanent agriculture

Soil fertility and permanent agriculture
Paper図書
by Cyril G. HopkinsGinnc1910
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G.

Crop rotation for illinois soils (Circular, No.141)

Crop rotation for illinois soils (Circular, No.141)
Paper図書
by Cyril G. HopkinsIllinois. University. Agricultural Experiment Station1910
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Illinois. University. Agricul...

The use of commercial fertilizers (Circular, No.129)

The use of commercial fertilizers (Circular, No.129)
Paper図書
by Cyril G. HopkinsIllinois. University. Agricultural Experiment Station1909
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Illinois. University. Agricul...

The fertility in Illinois soils (Bulletin. No.123)

The fertility in Illinois soils (Bulletin. No.123)
Paper図書
by Cyril G. Hopkins and James H. PettitIllinois. University. Agricultural Experiment Station1908
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Pettit, James H. Illinois. Un...

Ground limestone for acid soils (Circular, No.110)

Ground limestone for acid soils (Circular, No.110)
Paper図書
by Cyril G. HopkinsIllinois. University. Agricultural Experiment Station1907
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Illinois. University. Agricul...

Alfalfa on Illinois soil (Bulletin. No.76-abstract)

Alfalfa on Illinois soil (Bulletin. No.76-abstract)
Paper図書
by Cyril G. HopkinsIllinois. University. Agricultural Experiment Station1902
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G. Illinois. University. Agricul...

The story of the soil, from the basis of absolute science and real life, by Cyril G. Hopkins ...

The story of the soil, from the basis of absolute science and real life, by Cyril G. Hopkins ...
Paper図書
T. Werner Laurie[19--?]<185-227>
National Diet Library
  • Author HeadingHopkins, Cyril G. (Cyril George) , 1866-1919.

The story of the soil

The story of the soil
Paper図書
by Cyril G. HopkinsRichard G. Badgerc1911
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G., 1866-1919

Soil fertility and permanent agriculture (Country life education series)

Soil fertility and permanent agriculture (Country life education series)
Paper図書
by Cyril G. HopkinsGinnc1910
Other Libraries in Japan
  • Author HeadingHopkins, Cyril G., 1866-1919

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