Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung
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Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung
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Author : Karl Friedrich Wilhelm Jessen
language : de
Publisher:
Release Date : 1864
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung written by Karl Friedrich Wilhelm Jessen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1864 with Botany categories.
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung
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Author : Karl Friedrich Wilhelm Jessen
language : en
Publisher:
Release Date : 1864
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung written by Karl Friedrich Wilhelm Jessen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1864 with Botany categories.
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung Ein Beitrag Zur Geschichte Der Abendl Ndischen V Lker
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Author : Karl Friedrich Wilhelm Jessen
language : de
Publisher: Wentworth Press
Release Date : 2019-02-09
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung Ein Beitrag Zur Geschichte Der Abendl Ndischen V Lker written by Karl Friedrich Wilhelm Jessen and has been published by Wentworth Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-09 with History categories.
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 original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung C
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Author : Carl Friedrich Wilhelm Jessen
language : de
Publisher:
Release Date : 1864
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung C written by Carl Friedrich Wilhelm Jessen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1864 with categories.
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung
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Author : Karl Friedrich Wilhelm Jessen
language : de
Publisher:
Release Date : 1948
Botanik Der Gegenwart Und Vorzeit In Culturhistorischer Entwickelung written by Karl Friedrich Wilhelm Jessen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Botany categories.
Botanik Der Gegenwart Und Vorzeit In Kulturhistorischer Entwicklung
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Author : Karl F. W. Jessen
language : de
Publisher:
Release Date : 1864
Botanik Der Gegenwart Und Vorzeit In Kulturhistorischer Entwicklung written by Karl F. W. Jessen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1864 with categories.
Woman In Science
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Author : J. A. Zahm
language : en
Publisher: DigiCat
Release Date : 2022-08-01
Woman In Science written by J. A. Zahm and has been published by DigiCat this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-01 with History categories.
DigiCat Publishing presents to you this special edition of "Woman in Science" (With an Introductory Chapter on Woman's Long Struggle for Things of the Mind) by J. A. Zahm. DigiCat Publishing considers every written word to be a legacy of humankind. Every DigiCat book has been carefully reproduced for republishing in a new modern format. The books are available in print, as well as ebooks. DigiCat hopes you will treat this work with the acknowledgment and passion it deserves as a classic of world literature.
Crop Protection In Medieval Agriculture
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Author : Jan C. Zadoks
language : en
Publisher: Sidestone Press
Release Date : 2013-10-16
Crop Protection In Medieval Agriculture written by Jan C. Zadoks and has been published by Sidestone Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-16 with History categories.
Mediterranean and West European pre-modern agriculture (agriculture before 1600) was by necessity ‘organic agriculture’. Crop protection is part and parcel of this agriculture, with weed control in the forefront. Crop protection is embedded in the medieval agronomy text books but specialised sections do occur. Weeds, insects and diseases are described but identification in modern terms is not easy. The pre-modern ‘Crop Portfolio’ is well filled, certainly in the Mediterranean area. The medieval ‘Pest Portfolio’ differs from the modern one because agriculture then was a Low External Input Agriculture, and because the proportion of cultivated to non-cultivated land was drastically lower than today. The pre-modern ‘Control Portfolio’ is surprisingly rich, both in preventive and interventive measures. Prevention was by risk management, intensive tillage, and careful storage. Intervention was mechanical and chemical. Chemical intervention used natural substances such as sulphur, pitch, and ‘botanicals’. Some fifty plant species are mentioned in a crop protection context. Though application methods look rather modern they are typically low-tech. Among them are seed disinfection, spraying, dusting, fumigation, grease banding, wound care, and hand-picking but also scarification, now outdated. The reality of pest outbreaks and other damages is explored as to frequency, intensity, and extent. Information on the practical use of the recommended treatments is scanty. If applied, their effectiveness remains enigmatic. Three medieval agronomists are at the heart of this book, but historical developments in crop protection from early Punic, Greek, and Roman authors to the first modern author are outlined. The readership of these writers was the privileged class of landowners but hints pointing to the exchange of ideas between them and the common peasant were found. Consideration is given to the pre-modern reasoning in matters of crop protection. Comparison of pre-modern crop protection and its counterpart in modern organic agriculture is difficult because of drastic changes in the relation between crop areas and non-crop areas, and because of the great difference in yield levels then and now, with several associated differences.
Herbals Their Origin And Evolution
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Author : Agnes Arber
language : en
Publisher: Cambridge University Press
Release Date : 2010-10-31
Herbals Their Origin And Evolution written by Agnes Arber and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-10-31 with Art categories.
This volume traces the history and development of printed herbals between 1470 and 1670.
Woman In Science
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Author : H. J. Mozans.
language : en
Publisher: Prabhat Prakashan
Release Date : 1974-01-01
Woman In Science written by H. J. Mozans. and has been published by Prabhat Prakashan this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974-01-01 with Self-Help categories.