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      Cover image for The Farm That Won't Wear Out
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      The Farm That Won’t Wear Out

      Cyril G 1866-1919 Hopkins

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

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      Cover image for The Farm That Won't Wear Out
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      The Farm That Won’t Wear Out

      Cyril G 1866-1919 Hopkins

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

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      Cover image for Soil Fertility and Permanent Agriculture
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      Soil Fertility and Permanent Agriculture

      Cyril G 1866-1919 Hopkins

      This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.

      This work is in the public…

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      Cover image for Soil Treatment for Wheat in Rotations, with Special Reference to Southern Illinois Soils
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      Soil Treatment for Wheat in Rotations, with Special Reference to Southern Illinois Soils

      Cyril G 1866-1919 Hopkins

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

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      Cover image for Nitrogen Bacteria and Legumes: With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils
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      Nitrogen Bacteria and Legumes: With Special Reference to Red Clover, Cowpeas, Soy Beans, Alfalfa, and Sweet Clover, on Illinois Soils

      Cyril G 1866-1919 Hopkins

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

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      Cover image for Question Summary to Accompany "Soil Fertility and Permanent Agriculture,"
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      Question Summary to Accompany “Soil Fertility and Permanent Agriculture,”

      Cyril G 1866-1919 Hopkins

      Hopkins offers a concise summary of his influential work on soil fertility and sustainable agriculture. He explains the scientific principles behind his methods and offers practical advice for farmers and…

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      Cover image for For Better Crops
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      For Better Crops

      Cyril G Hopkins

      This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR’d book with strange characters, introduced typographical errors, and jumbled words. This book may have…

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      Cover image for Laboratory Manual for Soil Fertility
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      Laboratory Manual for Soil Fertility

      Cyril G 1866-1919 Hopkins,James Harvey Pettit

      Laboratory manual for soil fertility (1905). This book, Laboratory manual for soil fertility, by Cyril George Hopkins, James Harvey Pettit, is a replication of a book originally published before 1905…

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      The Sugar Beet in Illinois

      Cyril G 1866-1919 Hopkins, Perry G 1865- Holden

      This book provides a comprehensive study of sugar beets in Illinois, including its cultivation, uses, and economic impact. It is a must-read for anyone in the agricultural industry or interested…

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      The Sugar Beet in Illinois

      Cyril G 1866-1919 Hopkins, Perry G 1865- Holden

      This book provides a comprehensive study of sugar beets in Illinois, including its cultivation, uses, and economic impact. It is a must-read for anyone in the agricultural industry or interested…

      $88.99

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      Cover image for Peaty Swamp Lands: Sand and Alkali Soils
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      Peaty Swamp Lands: Sand and Alkali Soils

      Cyril G 1866-1919 Hopkins,O S 1878- Fisher

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

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      Cover image for Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding
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      Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding

      Cyril G 1866-1919 Hopkins, Edward M 1879-1938 East

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

      $37.99

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      Cover image for Directions for the Breeding of Corn, Including Methods for the Prevention of In-Breeding
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      Directions for the Breeding of Corn, Including Methods for the Prevention of In-Breeding

      Cyril G 1866-1919 Hopkins,Edward M 1879-1938 East

      This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it.

      This work is in the public…

      $28.99

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      Cover image for Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding
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      Directions for the Breeding of Corn, Including Methods for the Prevention of In-breeding

      Cyril G 1866-1919 Hopkins, Edward M 1879-1938 East

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

      $54.99

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      Thirty Years of Crop Rotations on the Common Prairie Soil of Illinois

      Cyril G 1866-1919 Hopkins, Wm G 1869- Eckhardt, J E 1869- Readhimer

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

      $54.99

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      Thirty Years of Crop Rotations on the Common Prairie Soil of Illinois

      Cyril G 1866-1919 Hopkins, Wm G 1869- Eckhardt, J E 1869- Readhimer

      This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

      This work is in the "public…

      $37.99

      Available to order, ships in 7-14 daysAvailable to order