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Wege zur Natur

Eine Einführung in micrologiche studien für anfänger From a generous donation by Thorsten Perl and friends of the digitalized collection of works by and about Dr. Raoul H. Francé and his wife Annie Francé-Harrar.

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Mikrokosmos

Zeitschrift für angewandte Mikroskopie, Mikrobiologie, Mikrochemie und mikroskopische Technik From a generous donation by Thorsten Perl and friends of the digitalized collection of works by and about Dr. Raoul H. Francé and his wife Annie Francé-Harrar.

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Staircase Farms of the Ancients

"Astounding farming skill of the ancient Peruvians, who were among the most industrious and highly organized people in history." This is the subtitle of this article documenting a 1915 expedition to Peru to investigate the old Incan and pre-Incan farming techniques and culture. Their terracing systems are unparalleled.
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Global Soil Biodiversity Atlas

This fully illustrated publication details what we presently know about life the soil and the complex ecosystem within which life is sustained. Of course, and here is the rub, when the soil is described as being a very complex living ecosystem, the information flies in the face of Industrial Agriculture. Modern farmers, with the help of their agents, have all but declared war on soil life by the use of petrochemical fertilizers and pesticides.
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Miscellaneous Papers of John E. Weaver

The University of Nebraska put a large collection of John Weaver's publications online for free download. The Soil and Health Library is mirroring this material. Select this item to see the full list of publications with download links to them.
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Available calcium a factor in salt balance for vegetable crops

Observations made on vegetable farms in New Jersey located on sandy soils, show that pH is not always a reliable indicator of the available calcium and that many of those sandy soils which have pH values of 6.0 to 6.6, where large applications of soda and potash have been made, may be very deficient in calcium and magnesium.
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Modern Miracle Men

Dr. Charles Northen demonstrated that countless human ills stem from the fact that the impoverished soil of America no longer provides plant foods with the mineral elements essential to human nourishment and health! To overcome this alarming condition, he doctors sick soil and, by seeming miracles, raises truly healthy and health-giving fruits and vegetables.
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Let’s Live! 1952

They include: Soil Treatment and Wool Output; Diseases As Deficiencies Via the Soil; How Smart is a Cow? Quality vs. Quantity Crops; "Deep Rooting" Depends on Soil; Soil Fertility and Nutritive Food Values; Soil and Proteins; Our Teeth and Our Soils; Mineral Hunger; Soil Acidity is Beneficial; Too Much Nitrogen? Protein Deficiencies. . . through Soil Deficiencies.
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Let’s Live! 1953

They include: Soil and Nutrition; The Role of Nitrogen; More and Better Proteins; Proteins and Reproduction; Protein Protection; Better Proteins; Soil Fertility for Proteins; Soil Conservation; The Importance of Soil; High Time to Learn About Our Soils and Our Health; The Use of Mulches; Protein Service in Nutrition.
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Let’s Live! 1954

They include: Amino Acids in Legumes According to Soil Fertility; The Soil Fertility Pattern (February 1954, MISSING); The Little Things Count in Nutrition; Animals Know Good Food!; Agriculture is Biology First and Foremost; The Upset Biological Processes; Consider the Soil--Not Technologies!; Some Soils Analyzed; The Role of Clay in Plant Nutrition; Root Chemistry and Clay Chemistry; The Sustaining Fertility of the Soil; The Importance of Soil Economics.
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