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Bread From Stones (Classic Reprint)
Julius Hensel
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| #4605127 in Books | 2017-06-08 | Original language:English | 9.02 x.30 x5.98l,.28 | File type: PDF | 140 pages||2 of 2 people found the following review helpful.| The most amazing thing is that the author wrote this book in ...|By james's kindle|Fascinating look into the way we can enhance the value of the crops we grow for both humans and farm animals. And the main point, this can be done without chemical fertilizers . The most amazing thing is that the author wrote this book in 1890's.|0 of 0 people found the following revie|Language Notes|Text: English (translation)| Original Language: German|About the Author|Julius Hensel was a German agricultural chemist in the late 1800s who discovered that by adding finely ground rock dust to soil he could
Excerpt from Bread From Stones
As there was found a considerable quan tity of phosphoric acid and of potash in the ashes of all seeds, and as these do not exist in the air and must therefore be furnished by the soil, it was very natural that the in quiry was started, how much of these sub stances necessary for the raising of plants is still at hand in the soil?
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