Browsing Fakultät für Agrarwissenschaften (inkl. GAUSS) by Title
Now showing items 656-675 of 897
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Processes and balance of organic matter turnover and transformation of mineral compounds during decomposition of biogenic material in the presence of soil material
(2006-11-08)Under the different possibilities of composting biogenous wastes of gardens, public greens and kitchens in the industrial Middle Europe actually prevails the biomass composting without ... -
Product Differentiation and Consumer Preferences for Sustainable Food
(2014-08-27)There is growing evidence that the current agri-food system is not sustainable, because major environmental and ethical issues challenge the global development. Against this complex background it becomes clear, that ... -
Production potential and ecosystems quality of secondary forests recovered from agriculture - tools for landuse decisions
(2008-07-29)Secondary forests in large areas of Semiarid Americas play a vital role in the maintenance of land qualit and are also important for the community. The tota vide he potential for forest production ... -
Productivity, water use and climate resilience of alternative cocoa cultivation systems
(2018-05-23)Global demand for cocoa beans is projected to keep rising while future production is likely to be limited by climate variability and change. Over 70% of the global cocoa supply comes from West Africa, a region expected to ... -
Produktionsökonomische Analyse von Tierwohlmaßnahmen in typischen Milchviehbetrieben Nordwestdeutschlands
(2023-12-01)Farm animal husbandry is the most important sector of the German agriculture and food industry. With an overall share of 22 percent of the production value of agriculture, milk production is of particularly great economic ... -
Prospects of cash crop production in CBSR of Russia
(2017-10-13)Russian crop production reflects a significant rise in the cultivation of corn and soybeans. One of the highest growth rates, along with a significant share in the national output, can be found in the Central Black Soil ... -
QTLs for oil content and their relationships to other agronomic traits in an European x Chinese oilseed rape population
(2002-11-25)Rapeseed oil is one of the most important vegetable oils for edible consumption both in China and Europe, while the meal, after extraction of the oil, has a high protein content with well ... -
Qualitätssicherungssysteme im türkischen Agribusiness
(2014-12-17)As the implementation of certification systems and other food quality and safety systems has become a strong trend in Turkish agribusiness, there are no comprehensive studies in such field, which is considered of major ... -
Qualitätssicherungssysteme in der Ernährungsbranche
(2006-01-16)Current policy trends and changing consumer expectations have resulted in a variety of private initiatives searching for new approaches to ensure quality assurance in the food sector. A ... -
Quantifizierung des Luftvolumenstromes in frei gelüfteten Rinderställen mit Hilfe der Kompartimentalisierungsmethode zur Bestimmung umweltrelevanter Emissionsmassenströme
(2001-01-10)The assessment of airflow volume becomes increasingly important in estimating the environmental impact of airborne stable emissions. In contrast to mechanically ventilated stables the amount ... -
Quantitative Analyse dynamischer nichtlinearer Panelmodelle
(2002-11-20)Dynamic nonlinear panel models are estimated on the first 14 waves (waves A to N) of the German Socio-Economic Panel to test (among other things) for state dependence effects in male ... -
Quantitative Analyses on the Effects of the EU Sugar Market Policy
(2023-05-23)The sugar market has long been excluded from the systematic reform process of the EU’s Common Agricultural Policy started with the MacSharry reform in 1992. While the markets of most other agricultural products were ... -
Quantitative and molecular genetic studies on temperature-dependent sex determination of Nile tilapia (<i>Oreochromis niloticus</i>)
(2012-06-13)Tilapia is one of the most important species group for aquaculture production. Particularly Nile tilapia (Oreochromis niloticus) amounts to over 80 % of the world tilapia production. All-male populations are favourable due ... -
Quantitative effects of the abiotic factors temperature and day length on vernalization, flowering time and freezing tolerance of oilseed rape (Brassica napus L.).
(2024-01-11)Two important abiotic factors for plants are temperature and day length. Long day and short day are signals that can induce morphological and developmental changes like flower induction. So-called short day plants need a ... -
Quantitative imaging of water flow in soil and roots using neutron radiography and deuterated water
(2013-10-07)Where and how fast do roots take up water? Despite its importance in plant and soil sciences, there is limited experimental information on the location of water uptake along the roots of transpiring plants growing in soil. ... -
Ramularia collo-cygni an Gerste
(2011-07-04)A differentiation tool for symptomatically similar barley diseases developed in the course of researching this doctoral dissertation has wide practical applicability. However, R. collo-cygni ... -
Reasons for the Underperformance of Clean Development Mechanism Project Activities in the Animal Waste Management Sector
(2010-07-20)INTRODUCTION The Clean Development Mechanism (CDM) is one of the flexible, project based mechanisms of the Kyoto protocol, which came into force in 2005. The projects participating in this ... -
Recrystallization of pedogenic and biogenic carbonates in soil: Environmental controls, modelling and relevance for paleoenvironmental reconstructions and dating
(2017-05-30)The reliability of paleoenvironment (paleoclimate, paleovegetation etc.) interpretations and radiocarbon ages based on isotopes of carbon (δ13C, 14C), oxygen (δ18O) and clumped isotopes (Δ47) in soil carbonates types e.g. ... -
Reduktion des Pflanzenschutzmitteleinsatzes - Konsequenzen für das Schaderregerauftreten und die Wirtschaftlichkeit in Getreide-Zuckerrübe-Fruchtfolgen
(2008-08-11)The discussion about the application of crop protection chemicals in recent years has led to the initiation of the "Program for the Reduction of Plant Protecting Chemicals." This demands that the use of plant protecting ... -
Regional Heterogeneity, Geography and Agglomeration Effects in Efficiency Analysis: The Case of Dairy Farming in Europe
(2015-03-10)Natural conditions and location play an essential role in the determination of the agricultural production and its technical (in)efficiency . The present work analyzes by means of different model specifications and statistical ...