Justus Ludewig von Uslar, and the First Book on AllelopathyAllelopathy is a fascinating and perplexing topic that concerns the chemical interactions of plants. It has profound implications in agriculture and forestry where species are grown artificially in mixture, with no evolutionary history of co-existence. The topic of allelopathy is widely credited as commencing in 1937, when the term ‘allelopathy’ was coined by Molisch. However, the concept of allelopathy has been recorded since Greek and Roman times, became extremely controversial in the first half of the 19th century, and remains so today. This book concerns a virtually unknown treatise by Justus Ludewig von Uslar, published in 1844, which emerges as the first book entirely devoted to the concept of allelopathy. The book provides the historical background to allelopathic knowledge, from antiquity to c. 1840. It also provides for the first time a biography of Justus Ludewig von Uslar, who is best known as the first Consul-General for Hannover in Mexico, and Director of the Mexican Company, a British venture mining company. In many ways von Uslar epitomises the tradition of the gentleman scientist of the 19th century. The book then offers a full translation into English of von Uslar's rare treatise, which foreshadows many ideas current in allelopathic research. |
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... of Decomposition of Plant Excrements through Cultivation 118 § 19. Indications for the Practice of Crop Rotation 123 Index § 20. Resumé and Table of Contents 136 139 ILLUSTRATIONS Figure 1. A map of Hannover and neighbouring states,
... Figure 2. The von Uslar family crest (c. 1843) Figure 3. Oil painting of Justus Ludewig von Uslar (c. 1805?) in the uniform of the Hannover civil service Figure 4. Detail from a map entitled “Mexico and Guatemala shewing the Position of ...
... figures and their thoughts, events and places that shaped the discipline over time. History can be tedious for its insistence on the accuracy of dry chronological accounts of figures, facts and events. But Willis makes the history come ...
... figure who was to emerge later as pivotal in the debate was Charles Daubeny, who although understanding little French, had studied under de Candolle in 1830 in Geneva. Daubeny was eventually invited by the Royal English Agricultural ...
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Contents
vi | 13 |
Justus Ludewig von Uslar 17801862 A Brief Biography | 17 |
Die Bodenvergiftung durch die WurzelAusscheidungen der 35 | 34 |
Introduction | 43 |
Earlier Opinions on Crop Rotation | 53 |
The Law of Nature which makes Crop Rotation Necessary | 60 |
Some Words on the Nutrition of Plants | 86 |
but then according to analogies as exist in nature? | 89 |
How does the Elimination of Plant Excreta happen? | 97 |
Antipathies of Plant Species | 105 |
How does the Plant Excreta of Different Plant Species cause | 112 |
Support of Nature in the Case of Decomposition of Plant | 119 |
Index | 137 |