Terra preta

[Michaelangelica]

Newspaper Articles about our work

Runoff irrigation received attention from a variety of newspapers and we had a good response from the readers. (takes a little language talents for our non-German guests...)
http://www.css.cornell.edu/faculty/l.../newspaper.htm


and English discussion here:-
http://hypography.com/forums/earth-s...ht=terra+preta

[eric l]

Ich köntte versuchen diese Deutsche Texte zu übersetzen, aber auf die Beitrage mit Untertitlung habe ich bisher wenig Respons bekommen.

I could try to post English translations of these German newpaper clippings, but so far I have very few reactions on my postings with subtitles.

Die Deutsche Texte sagen auch nicht viel mehr als wass schon in das Englische forum ûber Terra preta gesagt ist. Übersetzung wäre also nur wichtig für Leute die ihr Deutsch üben wollen. Und die Texte sind deutlich nicht für Anfänger.

The German newspaper articles don't provide much more than what is already said in the English forum about Terra preta. Translation would only be important for people who want to practice ther German. And the texts are clearly not intended for beginners (when it comes to German).

[Michaelangelica]

dankershen
thank you

[sanctus]

Originally Posted by Michaelangelica

dankershen
thank you

Es wäre "Danke schön",
dein Projekt tönt sehr interessant, ich will es später noch durchlesen

[Michaelangelica]

Originally Posted by sanctus

Es wäre "Danke schön",

Danke schön
Forgive my ignorance, unfortunately I don't speak any language other than Australian.
I was just posting some German links on Terra preta. Here is another although this abstract is in English, the publication is German
http://www.springerlink.com/content/ch88m96jtrfrj4gk/

The 'Terra Preta' phenomenon: a model for sustainable agriculture in the humid tropics
Journal Naturwissenschaften
Publisher Springer Berlin / Heidelberg
ISSN 0028-1042 (Print) 1432-1904 (Online)
Subject Biomedical and Life Sciences, Chemistry and Materials Science and Earth and Environmental Science
Issue Volume 88, Number 1 / February, 2001
DOI 10.1007/s001140000193
Pages 37-41
Online Date Thursday, February 19, 2004

Authors
Bruno Glaser, Ludwig Haumaier, Georg Guggenberger, Wolfgang Zech
Abstract

Many soils of the lowland humid tropics are thought to be too infertile to support sustainable agriculture. However, there is strong evidence that permanent or semi-permanent agriculture can itself create sustainably fertile soils known as 'Terra Preta' soils.
These soils not only contain higher concentrations of nutrients such as nitrogen, phosphorus, potassium and calcium, but also greater amounts of stable soil organic matter.
Frequent findings of charcoal and highly aromatic humic substances suggest that residues of incomplete combustion of organic material (black carbon) are a key factor in the persistence of soil organic matter in these soils.
Our investigations showed that 'Terra Preta' soils contained up to 70 times more black carbon than the surrounding soils.
Due to its polycyclic aromatic structure, black carbon is chemically and microbially stable and persists in the environment over centuries. Oxidation during this time produces carboxylic groups on the edges of the aromatic backbone, which increases its nutrient-holding capacity.
We conclude that black carbon can act as a significant carbon sink and is a key factor for sustainable and fertile soils, especially in the humid tropics

.

[akahenaton]

Ist Michalengica ging zu wissen deutsch?
ach so! ich habe zum meine gehirn zum tun etwas mit es aber ich tun nicht viel wie ich habe getan....

[Michaelangelica]

Revelations of the americas before columbus - with a special referen..

[eric l]

Originally Posted by Michaelangelica

Revelations of the americas before columbus - with a special referen..

Michael, going to that link I only get the English (short) article. Clicking on the links provided in that gives me only a "page not found" message. I'm trying to obtain the original from contacts I have, but can not promise you anything.

Since this is the German forum, here is the German translation of the message above.

Michael, mit dieser Link bekomm ich nur das kurze Englishe bericht. Weiter klicken auf die Links in dieses Bericht gibt mir nur eine Meldund "Seite nicht gefunden". Ich versuche uber meine Kontakte das Original zu bekommen, aber ich kann leider nichts versprechen

[Michaelangelica]

Sorry erick I will check

I get

WUR Video Archive

see also:-
Stimmen

[Michaelangelica]

[quote]

Slash and Char as Alternative to Slash and Burn
soil charcoal amendments maintain soil fertility and establish a carbon sink


Autor(en):

* Steiner, Christoph

Bayreuth, 06. Dezember 2007
Seiten: 190
Auflage: 1
Sprache: EN
ISBN-10: 3867274444
ISBN-13: 9783867274449
Zugeordnete Fachbereiche:

Chemie | Geowissenschaften | Geographie
Kategorie:

Dissertation
Bezugsmöglichkeiten
Download (5401.9 kB) 10,80 € In den Warenkorb
Print Version 27,00 € In den Warenkorb
Kurzbeschreibung

Keine Kurzbeschreibung vorhanden
Description

The extraordinary fertility of manmade Terra Preta soils in the Brazilian Amazon provided the incentive to study the effects of soil charcoal amendments on soil fertility, nutrient cycling, and soil biology.

The existence of Terra Preta suggests that tropical soils, which are notorious for being infertile, can be greatly improved. The agricultural produces charcoal out of fallow vegetation instead of converting it to carbon dioxide through burning. Slash and char improves soil quality by transferring organic carbon into recalcitrant soil organic matter pools. This newly described agricultural practice has important implications for the earth’s carbon budget and sustainability in tropical agriculture.

Slash and Char as Alternative to Slash and Burn [Cuvillier Verlag]