Browsing Fakultät für Agrarwissenschaften (GFA) by Title
Now showing items 759-778 of 948
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Social standards, worker welfare and women's empowerment in modern agri-food systems: A case study of horticultural wage workers in Ghana
(2017-06-27)The world agricultural trade system has experienced tremendous changes in recent years. Agri-food systems are increasingly shifting towards more vertically integrated production systems that are based on commercialization ... -
Social-Ecological Preferences and Urbanization in India
(2019-05-15)Urbanization has been recognized as one of the major forces in shaping the 21st century on planet earth. The by far largest increase in the share of humans living in cities is expected to take place in the Global South. ... -
Sodium and calcium uptake, transport and allocation in Populus euphratica and Populus x canescens in response to salinity
(2008-02-15)The salinization of soils caused by increasing NaCl concentrations is a major problem for today’s agriculture. Since P. euphratica is able to grow on sodic soils, it has been used for reforestation in saline areas. Because ... -
Soil greenhouse gas balance, yield, and profit in intensively fertilized vegetable farms on an Andosol soil in Leyte, Philippines
(2023-02-10)The vegetable industry is a vital sector in the Philippines’ agriculture, providing a significant contribution to the country’s total agricultural production and its overall economy. Vegetable farms in the Philippines are ... -
Soil Multi-Meta-Omics: Unraveling microbial regulation at three post-genomic levels
(2024-04-19)Soil functions are key in all ecosystems globally. Specifically soils play a pivotal role in ecosystem biogeochemical cycles, sequestering but also mineralizing carbon (C), and in this context releasing nutrients from ... -
Soil N mineralization dynamics as affected by pure and mixed application of leafy material from leguminous trees used in planted fallow in Brazil
(2002-12-13)In Amazon human activities such as slashing and burning converted large areas of primary forest to intermittently used agricultural land. Thus, the fallow vegetation plays an important role ... -
Spatial aggregations in annual wild plant communities: Competition, Performance, and Coexistence
(2009-03-16)Biodiversity in agroecosystems has been declining at an alarming rate. Already in 1982, 15 of the 93 arable wild plant species listed in the German Red Data Book were extinct, which equalled ... -
Spatial analysis of crop rotation practice in North-western Germany
(2020-09-24)The aim of the present study was to detect patterns of crop rotation in an agricultural region in the North-western part of Germany. It was analysed if and how the spatial distribution of the crop rotation patterns depends ... -
Spatial Price Transmission and Market Integration in Agricultural Markets after Liberalization in Ghana: Evidence from Fresh Tomato Markets
(2009-12-02)Spatial price transmission or market integration measures the degree to which geographically separated markets share long-run market information on homogenous commodities. One very contentious ... -
Spatial scale, plant identity and management effects on the diversity-productivity relationship in a semi-natural grassland
(2014-12-18)Present study was aimed at examining the effects of spatial scale, plant identity and management on the relationship between diversity and productivity in an old semi-natural grassland in the Solling uplands, Germany. The ... -
Specialty Rice Adoption, Collective Action and Marketing Channel Choice: Insights from Vietnam
(2017-05-08)Trade in specialty agricultural products remains a significant foreign exchange earner for many developing countries that largely depend on the agricultural sector for their national income. With the changing consumers’ ... -
Sperm binding properties to uterine epithelial cells in vitro employing a primary porcine endometrium culture system
(2016-05-24)In pig husbandry the conventional method of intrauterine deposition of an 80-100 ml AI volume containing 1-3 x109 fresh spermatozoa is the commonly used procedure. Compared to bovine insemination, where as little as 2 x106 ... -
Spinnen in Agrarlandschaften und die biologische Kontrolle von Getreideblattläusen
(2004-06-18)Agriculture is substantially influencing the habitats of wild animal and plant species, but also benefits from services provided by these species, for example from the natural control of ... -
Spirulina (Arthrospira platensis) als alternative Proteinquelle für Fische
(2022-11-16)The sustainability of livestock production is becoming increasingly important for consumers. Due to increasing levels of overfishing of the world's oceans, aquaculture has also been criti-cized for its role as the main ... -
Steuerungsoptionen für eine effektive Biodiversitätsgovernance
(2017-01-09)Biodiversity loss is one of the most pressing global environmental problems of our generation. Member states to the Convention on Biological Diversity are developing national biodiversity strategies to conserve biodiversity ... -
Strategien zur Verbesserung der N-Ausnutzung im ökologisch wirtschaftenden Futterbaubetrieb
(2012-12-18)Organic forage and mixed farms often do not utilize their grassland to its full potential. In mixed farms this affects the arable farming as well. By intensifying grassland production (more clover, more cuts), N leaching ... -
Strategische Gruppen in der deutschen Brauwirtschaft
(2006-07-17)The prevailing existence of differences in corporate success between companies of a certain industrial sector can be explained by the concept of strategic groups. This study applies the ... -
Strategische Unternehmensführung landwirtschaftlicher Haupterwerbsbetriebe: Eine Untersuchung am Beispiel Nordrhein-Westfalens
(2007-04-23)The European agrofood sector is more and more confronted with the threats as well as opportunities of liberalizing markets. Therefore, competitiveness on global markets is becoming paramount ... -
Studien zur Aminosäurenwirksamkeit beim Mastgeflügel unter spezifischer Betrachtung der schwefelhaltigen Aminosäuren
(2011-10-06)Based on a verified nonlinear N-utilization model (GEBHARDT 1966, Samadi und Liebert 2008), the objective of this investigation was to determine the amino acid efficiency of broiler chicken ... -
Studien zur Aminosäurenwirksamkeit beim Mastgeflügel unter spezifischer Betrachtung der verzweigtkettigen Aminosäuren
(2014-03-19)The ideal amino acid ratio (IAAR) offers one possibility to achieve the goals of an environmentally compatible animal production. The IAAR defines the exact ratio of amino acids (AA) that are required by an animal for a ...