Contents: SECTION 1 - NOVEL CONCEPTS Emerging agroscience; Ants and sustainable agriculture; Agroecology as a science, a movement and a practice; Adaptiveness to enhance the sustainability of farming systems; Economics of biosecurity across levels of decision-making; Describing and locating cropping systems on a regional scale. SECTION 2 - FOOD SECURITY Nutritional quality and safety of organic food; Minerals in plant food: effect of agricultural practices and role in human health; Fertiliser trees for sustainable food security in the maize-based production systems of East and Southern Africa; Cereal landraces for sustainable agriculture; Mineral sources of potassium for plant nutrition; Glandless seed and glanded plant research in cotton; Micronutrient-efficient genotypes for crop yield and nutritional quality in sustainable agriculture; Multi-criteria decision models for management of tropical coastal fisheries. SECTION 3 - SOCIOLOGY AND ECONOMICS Farmer responses to climate change and sustainable agriculture; The use of the marasha ard plough for conservation agriculture in Northern Ethiopia; Biological nitrogen fixation and socioeconomic factors for legume production in sub-Saharan Africa; Conventionalisation of organic farming practices: from structural criteria towards an assessment based on organic principles; Conservation tillage in Turkish dryland research. SECTION 4 - CLIMATE CHANGE Biofuels, greenhouse gases and climate change; Agronomic and physiological performances of different species of Miscanthus, a major energy crop; Changes in atmospheric chemistry and crop health; Modelling soil carbon and nitrogen cycles during land use change; Greenhouse gases and ammonia emissions from organic mixed crop-dairy systems: a critical review of mitigation options; Water deficit and nitrogen nutrition of crops; Validation of biophysical models: issues and methodologies; Cold stress tolerance mechanisms in plants. SECTION 5 - ALTERNATIVE PEST CONTROL Defence mechanisms of Brassicaceae: implications for plant-insect interactions and potential for integrated pest management; Ionising radiation and area-wide management of insect pests to promote sustainable agriculture; Biodiversity and pest management in orchard systems; Pathogenic and beneficial microorganisms in soilless cultures; Allelopathy in Compositae plants. SECTION 6 - SOIL HEALTH Assessing the productivity function of soils; Long-term effects of organic amendments on soil fertility; Tillage management effects on pesticide fate in soils; Sustainable cow-calf operations and water quality; Biogeography of soil microbial communities: a review and a description of the ongoing french national initiative. SECTION 7 - ALTERNATIVE FERTILISATION Nitrogen rhizodeposition of legumes; Models of biological nitrogen fixation of legumes; Arbuscular mycorrhizal networks: process and functions; Efficient N management using winter oilseed rape; Improving nitrogen fertilization in rice by site-specific N management; Solid–liquid separation of animal slurry in theory and practice.