Cyril G. Hopkins
Cyril G. Hopkins
Bookitis has not yet captured a biography for this author, but the catalog links below show the books currently associated with this profile.
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Featured books
Representative editions for works actually authored by this person.
- Image source: Open LibraryNB
Nitrogen Bacteria and Legumes
cover - Image source: Open LibraryTS
The Story of the Soil
cover - Image source: Open LibraryTF
The Farm That Won't Wear Out
cover - Image source: Open LibraryTF
The Farm That Won't Wear Out
cover - Image source: Open LibraryTY
Thirty Years of Crop Rotations on the Common Prairie Soil of Illinois
cover - Image source: Open LibraryQS
Question Summary to Accompany Soil Fertility and Permanent Agriculture,
cover - Image source: Open LibrarySF
Soil Fertility and Permanent Agriculture
cover - Image source: Open LibrarySF
Soil Fertility and Permanent Agriculture
cover - Image source: Open LibraryTF
The Farm That Won't Wear Out
cover - Image source: Open LibraryDF
Directions for the Breeding of Corn, Including Methods for the Prevention of In-Breeding
cover - Image source: Open LibraryLM
Laboratory Manual for Soil Fertility
cover - Image source: Open LibraryTS
The Story of the Soil
cover - Image source: Open LibraryTF
The Farm That Won't Wear Out
cover - Image source: Open LibraryTS
The Story of the Soil; from the Basis of Absolute Science and Real Life,
cover - Image source: Open LibraryTF
The farm that won't wear out
cover - Image source: Open LibraryIW
Illinois wheat yields with nature's fertilizers
cover - Image source: Open LibraryWC
Winnebago County soils
cover - Image source: Open LibraryTS
The story of the soil, from the basis of absolute science and real life
cover - Image source: Open LibraryQS
Question summary to accompany "Soil fertility and permanent agriculture,"
cover - Image source: Open LibraryMC
Moultrie County soils
cover - Image source: Open LibraryTS
The story of the soil, from the basis of absolute science and real life
cover - Image source: Open LibrarySF
Soil fertility laboratory manual
cover - Image source: Open LibraryTS
The story of the soil, from the basis of absolute science and real life
cover - Image source: Open LibrarySF
Soil fertility and permanent agriculture
cover
Works in catalog
Quick navigation into the work-level grouping pages behind the featured books.
- Open Work
Nitrogen Bacteria and Legumes
- Open Work
The Story of the Soil
- Open Work
The Farm That Won't Wear Out
- Open Work
The Farm That Won't Wear Out
- Open Work
Thirty Years of Crop Rotations on the Common Prairie Soil of Illinois
- Open Work
Question Summary to Accompany Soil Fertility and Permanent Agriculture,
- Open Work
Soil Fertility and Permanent Agriculture
- Open Work
Soil Fertility and Permanent Agriculture
- Open Work
The Farm That Won't Wear Out
- Open Work
Directions for the Breeding of Corn, Including Methods for the Prevention of In-Breeding
- Open Work
Laboratory Manual for Soil Fertility
- Open Work
The Story of the Soil
- Open Work
The Farm That Won't Wear Out
- Open Work
The Story of the Soil; from the Basis of Absolute Science and Real Life,
- Open Work
The farm that won't wear out
- Open Work
Illinois wheat yields with nature's fertilizers
- Open Work
Winnebago County soils
- Open Work
The story of the soil, from the basis of absolute science and real life
- Open Work
Question summary to accompany "Soil fertility and permanent agriculture,"
- Open Work
Moultrie County soils
- Open Work
The story of the soil, from the basis of absolute science and real life
- Open Work
Soil fertility laboratory manual
- Open Work
The story of the soil, from the basis of absolute science and real life
- Open Work
Soil fertility and permanent agriculture