PUBLISHER: Govt. print. off.
TAGGED SPECIES: plants

Found 299 Books


Bulletin ; 117

By Chapman, Frank M. (Frank Michler), 1864-1945 . Genre Birds / Peru . Names peru / mus / urubamba / life / rio and 3569 more
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Bulletin ; 173

By Jensen, Charles A. . Genre Nitrification . Names soil / wheat / bacteria / plants / roots and 541 more
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Bulletin ; no. 10

By Richards, Edgar. . Genre Soils / Analysis . Names soil / ammonia / organic matter / plants / io and 448 more
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Bulletin. no. 278

By Kemptom, James Howard, 1891- . Genre Corn / Abnormalities / Inflorescences . Names seeds / flowers / flower / zea / plants and 253 more
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Circular 23

By Bonsteel, Jay Allan, 1873- . Genre Soils / United States . Names soil / type / areas / virginia / organic matter and 117 more
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Circular no. 15

By Gardner, Frank D. (Frank Duane), 1864-1963 . Genre Soils / Maryland . Names soil / plants / wheat / organic matter / type and 97 more
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