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Microorganisms are widely used in various beneficial applications, including food, pest control, bioremediation, biodegradation, biofuel processes, and plant symbiosis and growth stimulation. This book provides an overview of the available methodology for safety assessments of microorganisms, including determination of their infectivity and whether they produce toxic or sensitizing substances. Also covered are the regulatory systems in risk assessment and management of microbial products, quarantine legislations, international treaties, the importance of public risk perception and risk reduction behavior.
The current agricultural plant production system is dominated by mono-cropping with genetically uniform cultivars. This genetic erosion has led to a displacement of locally adapted landraces and cultivars and poses a serious threat to plant productivity in stressed agro-ecosystems. The adaptation of crops to drought, heat, salinity, and low soil fertility is becoming paramount due to global climate change. Utilizing exotic or underused germplasms as a source of adaptive traits is a largely untapped way to ensure a stable yield. The task to apply biodiversity in crop production to confer food security and sustainability was acknowledged by the Food and Agriculture Organization of the United Nations and reflected by the United Nations Sustainable Development Goals. In many parts of the world, poor soil fertility threatens yield stability. Therefore, the soil nutrient reserve must be replenished to sustain crop yield. Mineral fertilizer in excess, however, is detrimental to the environment. For instance, elevated loads of nitrogen, phosphorus, or chlorine pollute water bodies and impact on biodiversity. Major anticipated concerns for our agricultural systems are the limitation in phosphorus, temperature increase, extreme and unpredictable weather events, and salinity. Therefore, environmentally friendly strategies to optimize nutrient cycling are urgently required and this involves increasing nutrient use efficiency. In the face of climate change, it is necessary to mine crop biodiversity to increase nutrient uptake and usage, and to help implement a "Zero-Waste" concept in plant nutrition. This Research Topic is intended to provide an updated view on the use of crop biodiversity to open new avenues for improved nutrient cycling. We welcome contributions (Original Research, Review, Mini Review, and Perspective) covering any of the following aspects: - Studies on improving nutrient fluxes through control of production factors both in controlled environments and in the field (horticulture/agriculture) - Screening and application of genebank material for improved nutrient use efficiency - Studies on the effect of combining (novel) crop species (multi-cropping, intercropping, rotations, cover cropping) on crop performance and nutrient availability - Effect of mutualistic species (mycorrhiza or bacteria) on nutrient cycling; e.g. improvement of nutrient uptake and by mutualism. - Climate change-driven effects on nutrient cycling; e.g. how do different temperatures/precipitation influence nutrient cycling through soils?
On top of a decade of exacerbated disaster loss, exceptional global heat, retreating ice and rising sea levels, humanity and our food security face a range of new and unprecedented hazards, such as megafires, extreme weather events, desert locust swarms of magnitudes previously unseen, and the COVID-19 pandemic. Agriculture underpins the livelihoods of over 2.5 billion people – most of them in low-income developing countries – and remains a key driver of development. At no other point in history has agriculture been faced with such an array of familiar and unfamiliar risks, interacting in a hyperconnected world and a precipitously changing landscape. And agriculture continues to absorb a disproportionate share of the damage and loss wrought by disasters. Their growing frequency and intensity, along with the systemic nature of risk, are upending people’s lives, devastating livelihoods, and jeopardizing our entire food system. This report makes a powerful case for investing in resilience and disaster risk reduction – especially data gathering and analysis for evidence informed action – to ensure agriculture’s crucial role in achieving the future we want.
Sustainable horticulture is gaining increasing attention in the field of agriculture as demand for the food production rises to the world community. Sustainable horticultural systems are based on ecological principles to farm, optimizes pest and disease management approaches through environmentally friendly and renewable strategies in production agriculture. It is a discipline that addresses current issues such as food security, water pollution, soil health, pest control, and biodiversity depletion. Novel, environmentally-friendly solutions are proposed based on integrated knowledge from sciences as diverse as agronomy, soil science, entomology, ecology, chemistry and food sciences. Sustainable horticulture interprets methods and processes in the farming system to the global level. For that, horticulturists use the system approach that involves studying components and interactions of a whole system to address scientific, economic and social issues. In that respect, sustainable horticulture is not a classical, narrow science. Instead of solving problems using the classical painkiller approach that treats only negative impacts, sustainable horticulture treats problem sources.
The southern Philippines fruits and vegetables program was a collaborative research model jointly managed by ACIAR and the Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development (PCAARRD). These proceedings represent the results of nine projects covering a range of commodities and research areas, the ultimate goal of which was to contribute to economic growth in the southern Philippines and to improve the livelihoods of Filipino farmers and their families.
Learn how oxidative stress affects fresh fruits and vegetables--and how to inhibit this process! This vital book brings together internationally respected authorities who share their experiences, insights, and approaches to postharvest oxidative stress. It examines the factors that induce oxidative stress and the processes by which oxidative stress affects the quality, shelf life, and nutritional value of fruits and vegetables after harvest. Postharvest Oxidative Stress in Horticultural Crops also explores regulation of oxygen species production and the function of antioxidants, and examines technologies that can enhance the resistance of fruits and vegetables to oxidative stress. With Postharvest Oxidative Stress in Horticultural Crops, you'll examine: the impact of various storage temperatures and atmospheres senescence dynamics superficial scald and other symptoms of postharvest oxidative stress antioxidants and their role in inhibiting oxidative stress regulation of superoxide, hydroxyl radical, and hydrogen peroxide production physical treatments and chemical treatments that can reduce oxidative stress genetic engineering techniques designed to combat the tendency toward postharvest oxidative stress Essential for researchers, teachers, and advanced students in plant physiology, biochemistry, molecular biology, biotechnology, breeding, and horticulture, Postharvest Oxidative Stress in Horticultural Crops is also vital for everyone whose day-to-day work is impacted by plant stress.