Browsing Fakultät für Agrarwissenschaften (inkl. GAUSS) by Title
Now showing items 783-802 of 914
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The Adoption of Legumes in Farmer and Consumer Settings
(2018-04-25)Mixed cropping (MC), the growing of two or more coexisting crops in one field, specifically the mix of cereal and grain legumes, can contribute to a more sustainable agricultural land use. Despite a variety of ecological ... -
The Analysis of Climate-induced Feed Gaps in Arid and Semi-arid Southern African Regions: The Case of The Limpopo Province-South Africa
(2023-05-23)In the southern areas of Africa, climate hazards such as prolonged drought are among the phenomena that have negatively affected the farming systems. In relation to livestock, productivity is constrained by the shifts in ... -
The Andean potato weevil Premnotrypes suturicallus - Ecology and interactions with the entomopathogenic fungus Beauveria bassiana
(2008-04-01)The Andean potato weevil (APW) is a complex of 14 species of the genera Premnotrypes and Rhigopsidius. It is one of the most important insect potato pests in the Andes from Venezuela to north-western Argentina above 2800 ... -
The biological role of Fusarium graminearum mycotoxins
(2011-01-27)F. graminearum is an important pathogen that causes head blight and root rot in wheat and ear and root rot in maize. Because of its toxigenic nature most of the diseased crops are found to ... -
The Dairy Supply Chain in Southern Brazil: Structure – Efficiency – Competitiveness
(2019-04-23)The dairy sector in developing countries and emerging economies such as Brazil, Uruguay, Argentina, India, Colombia among others represents a very important source of income for small family farms. Promoting the competitiveness ... -
The Economics and Ethics of Farm Animal Welfare - The Case of Chick Culling and its Alternatives
(2020-02-19)The use of highly specialized breeds in poultry production has led to the situation in which fattening layer-type males is not economically viable, when competing with conventional broiler meat. The vast majority of male ... -
The effect of diversified crop rotations with faba beans (Vicia faba L.) on pollinators and pollination services
(2021-12-01)Agricultural intensification and the loss of suitable habitats are drivers of insect declines. Besides the promotion of semi-natural habitats (SNH), the utilization of diversified crop rotations including flowering crops ... -
The effect of global change on multitrophic interactions of sugar beet
(2023-12-01)Global climate change models predict changes in rainfall patterns and rising sea levels, resulting in severe drought and soil salinity, which are already observed in many countries worldwide. Abiotic stressors such as ... -
The effect of grassland botanical composition and (co-) grazing cattle and sheep on herbage production and sward nutrient utilisation
(2011-09-13)Plant diversity in grassland ecosystems has recently gained increasing interest, as plant diversity has often been found to be related to improved ecosystem functioning. So far, studies of ... -
The Effectiveness of Agricultural Extension Programs in the Desert Areas of Nubaria, Egypt: A Case Study of a Sugar Beet Program
(2012-02-22)The Egyptian government has applied extensive programs for land reclamation as a strategy to meet rapidly growing demand for food. Public extension services have applied many programs to ... -
The Effects of Marketing Contracts and Resource-providing Contracts: Comparisons in the Small Farm Sector in Ghana
(2020-08-12)Agri-food systems in developing countries are undergoing a rapid transformation, characterized by modernizing supply chains and the rising importance of highervalue products. Participation of smallholder farmers in the ... -
The effects of the root endophytic fungus Acremonium strictum on plant-herbivore interactions
(2010-07-23)The widespread occurence of endophytic fungi in virtually all plant species has prompted an increasing number of investigations into the ecological significance of these cryptic microorganisms ... -
The Essays on Competitiveness, Efficiency, and Productivity: Methodological Issues and Applications
(2010-04-14)This PhD thesis consists of six papers that thematically could be divided into two groups. The first group comprises four papers that deal with assessing and explaining performance of ... -
The food system transformation in developing countries: opportunities and challenges for smallholder farmers
(2010-07-15)In many developing countries, agricultural and food systems are undergoing a major transformation towards high-value, modern supply chains. In export markets, stan-dards and certification ... -
The Impact of Adaptive Performance on Holstein Breeding in Northern Thailand
(2003-04-07)Actual production and breeding status of a Northern Thai dairy herd (Holstein) was investigated in order to identify data basis for developing sustainable breeding concept for the local ... -
The impact of agri-environmental policy and infrastructure on wildlife and land prices
(2018-12-14)The thesis contains three essays in the field of environmental policy. In the first paper, we study the relationship between the agri-environmental payments for farmers and wildlife. The effects of EU agri-environmental ... -
The Implications of ASEAN FreeTrade Area (AFTA) on Agricultural Trade (A recursive dynamic General Equilibrium Model)
(2004-06-23)The establishment of the AFTA raised concerns related to the inclusion of raw agricultural products into the agreement. This agreement would have negative impacts on welfare of thousand ... -
The importance of reproductive traits and pollinators for increased use of heterosis in faba bean (Vicia faba L.)
(2024-05-16)The grain legume faba bean (Vicia faba L.) is grown on all continents for its protein-rich seeds, which are used for human and animal nutrition. In recent years, domestic production of protein crops has been supported by ... -
The induce resistance against fire blight by the plant activator BTH (BION) or extract of Hedera helix leaves and studies on the mode of action
(2001-06-20)In the present study the plant activator BTH (= benzothiadiazole) (BION ® ) and an extract from leaves of Hedera helix were assayed on resistance inducing effects against fire blight caused ... -
The influence of drought stress on yield and forage quality of grasslands differing in functional composition
(2019-03-04)The present study aimed at unraveling the interacting influences of functional group composition, drought stress and N fertilization on sward productivity and forage quality in old semi-natural grassland in Northern Germany. ...