Row configuration has a large influence on the intensity of species interactions in intercrops. Row configuration affects how many crop rows interact with the same species and how many rows interact with the other species, shaping the expression of plasticity, resource capture, and growth. This study aims to determine how row configuration influences radiation interception and productivity in wheat-maize intercropping under western European growing conditions. Field experiments with different row configurations were carried out in 2013 and 2014 in the Netherlands. We compared seven treatments, comprising sole crops of wheat and maize (SW and SM), a replacement intercrop (6:2WM), skip-row designs (6:0WM, 0:2WM) and add-row designs (6:3WM, 8:2WM). We determined leaf area and biomass dynamics over time, and developed a simple geometry-based model to estimate light capture in these different row configurations. The model was tested with light measurements in the field. Crop radiation use efficiency (RUE) was estimated by linear regression of aboveground biomass on the calculated cumulative intercepted light (photosynthetically active radiation-PAR). This study showed that: 1) wheat-maize intercropping had significantly higher PAR interception than sole wheat in 2013 and 2014, and sole maize in 2013, but not in 2014; 2) intercropping significantly increased RUE of wheat, whereas it significantly decreased RUE of maize; 3) both light interception and light use efficiency changed with planting configuration. Thus we showed that the row configuration of the intercrop affected light interception as well as light use efficiency by modulating the strength of competitive and compensatory interactions within and between crop species.

Traditional remedies have been used for thousand years for the prevention and treatment of infectious diseases, particularly in developing countries. Of growing interest, the plant Artemisia annua, known for its malarial properties, has been studied for its numerous biological activities including metabolic, anti-tumor, anti-microbial and immunomodulatory properties. Artemisia annua is very rich in secondary metabolites such as monoterpenes, sesquiterpenes and phenolic compounds, of which the biological properties have been extensively studied. The purpose of this review is to gather and describe the data concerning the main chemical components produced by Artemisia annua and to describe the state of the art about the biological activities reported for this plant and its compounds beyond malaria.

This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

No abstract

Im Abschlußbericht (1992) der Bund-Länder-Arbeitsgruppe "Bibliothekswesen" liest nran folgende kritische Bemerieitsbericht: "Das Fehlen einer gesamtstaatlichen Bibliothekspolitik erschwert die überregionalen Aktivitäten, die ihrer Natur nach übergreifende Vereinbarungen voraussetzen: vor allem die übenregionale und internationale Vernetzung der Infonnationssysteme, zu denen auch die Bibliotheken gehören. Nur so wird die übenregionale und intematlonale Informations-undUteraturversorgung allmählich beschleunigt werden können. Hierzu müssen sich die Regionalsysteme stärker nach außen öffnen und mit Hilfe standardisierter Schnittstellen kommunikationsfähig werden."^ 1896 BIBUOTHEKSDIENST 28. Jg. (1994), H. 12 Brought to you by | Nanyang Technological University Authenticated Download Date | 6/17/15 1:21 AM Ausland THEMENHier besteht nun ein großer Unterschied zu den russischen Bibliotheken, zumindest in der Situation der Jahre vor 1989, indem ein detailliertes Bibliotheksgesetz eine allgemein verbreitete "Grundversorgung" und Zentralisierung der Dienstleistungen garantierte, wenn auch die Ziele dieser Bibliothekspolitik sich von denen, die in Deutschland verfolgt vi^urden, grundsätzlich unterschieden. "According to basic perfomriance characteristics such as average number of books, libraries and librarians per 1.000 of population Russian iibrary system occupies one of the leading positions in the world."^ Aber diese allgenneine Grundversorgung in Rußland w/ar bescheiden. "The quality of reader services, the level of information Provision of science industry, education and culture fail to keep in line vt/ith the achievments of contemporary practice. The choice of developnnent across a broad front, rather than in depth ...