Mckersie bryan d (10 risultati)

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: New. Print on Demand.

Hardcover. Condizione: Good. 1st Edition. Good+. Hardcover, x + 256 pages, b&w figures in text, NOT ex-library. Clean, untanned interior with unmarked text, free of stamps, firmly bound. Owner's name inside the front board; price in pencil on the front endpaper. Shelfworn boards. Issued without a dust jacket. -- This is an analysis of the physiological, cellular, and biochemical dimensions of stress in cultivated plants. The authors examine a wide spectrum of stress factors that affect agricultural productivity, from both natural environmental extremes and anthropogenic sources. The work is structured around core physiological stress types, each investigated in terms of its underlying mechanisms, plant responses, and coping strategies. The opening chapter introduces the conceptual foundation for understanding biological stress in plants, distinguishing between syntoxic (adaptive) and catatoxic (damaging) stress agents, and challenging simplistic interpretations of stress as inherently harmful. The authors adopt a nuanced view that emphasizes the complexity and conditional nature of plant responses, informed by both historical and contemporary insights into stress physiology. The book then moves into specific stress categories. A central chapter on oxidative stress addresses the generation of reactive oxygen species, their biochemical behavior, and their subcellular origins, including mitochondria, chloroplasts, and peroxisomes. Defensive mechanisms involving enzymatic and non-enzymatic antioxidants are discussed in depth, alongside implications for herbicide tolerance. Subsequent chapters examine abiotic stressors with direct agricultural relevance. The authors treat salinity and chilling stress as dynamic phenomena shaped by both external factors and species-specific tolerances. Detailed sections explore localized and transient salinity, membrane injury due to low temperatures, and the interplay between oxidative stress and chilling effects. Freezing stress is analyzed with particular attention to acclimation processes and membrane damage, while desiccation is approached through studies of dry tissue physiology, stabilizing sugars, and protective proteins like LEAs. The analysis of drought stress emphasizes the multifactorial impact of water deficits on photosynthesis, growth, and cell structure, outlining protective adaptations including osmotic adjustment and hormonal signaling. A related chapter on heat stress examines the dual role of high temperatures, which can be both deleterious and beneficial depending on intensity and duration, and reviews molecular chaperones and other coping mechanisms. A distinctive contribution is the exploration of anaerobic stress, including both flooding and ice encasement. These conditions, particularly relevant for perennial forage crops, are assessed in terms of metabolic disruption and physiological adaptation. The book also gives attention to pollution stress, offering case-based discussions of ozone, acid rain, hydrocarbons, and other pollutants. It highlights the dual role of plants as both stress sufferers and environmental mitigators, particularly in urban depollution contexts. The authors focus on synthesizing current knowledge and identifying biologically plausible strategies for enhancing stress tolerance. Throughout, they emphasize the interconnectedness of stress responses, pointing to shared signaling pathways and oxidative processes across different stress types. The book serves as a valuable resource for plant physiologists, agronomists, and researchers in crop science. It not only charts the complex landscape of plant stress but also contributes to efforts aimed at improving crop resilience.…

Condizione: New. pp. 444.

Condizione: New. pp. 444.

Paperback / softback. Condizione: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.

Paperback. Condizione: new. Paperback. Research projects require a different type of management than traditional construction projects because they have different processes, organization, deliverables and customers. Or in other words, management of a process to learn something is different from management of a process to build something. If you want to understand how our world works, if you want to capture a business opportunity, if you want to improve people's lives, cure a disease, prevent starvation, or if you want to do something more efficiently, at a lower cost, with less environmental impact, then you want to innovate. Your innovation will require specialized knowledge. Your research projects will explore the unknown to acquire that knowledge. Your research projects will seek to solve problems.Your vision of a solution will be based on a scientific model that serves as a roadmap. You may have sufficient knowledge to proceed immediately. But, gaps in your knowledge, assumptions that have not been validated, predictions that have not been tested, prototypes that have not been built may impede you. To successfully innovate, you will need to conduct a research project to acquire knowledge that others do not have. Your research project needs funding. You need to find a sponsor. This book will help you to identify problems, visions and scientific models that will enable you to implement your creative ideas. The chapters sequentially walk you through the process of creating a proposal that can be submitted to decision-makers and potential sponsors.The proposal of any research project includes a description of a problem that needs to be solved, a vision of a potential solution and a scientific model predicting how to implement the solution. The creation of a research proposal requires creativity, skill and experience. To some, the concept may come as an inspiration. To most of us, inspiration only comes from hard work, rigorous analysis and dedication. Turning inspiration into reality requires significant decisions, effective communication and efficient management.Traditional project management practices were designed to control schedules and costs. The research project management practices that are described here are designed to facilitate communication and decision-making. The 12 research project management tools in The Scientist's Toolbox are written as recipes, step-by-step, that guide you through a process to analyze problems, create solutions, conceive scientific models and hypotheses, and propose projects to potential sponsors. Several skills merge in this toolbox. Creative thinking techniques ask critical scientific questions, identify problems and visualize solutions. Leadership and teamworking skills enable a team of independently-minded scientists to cooperate, to coordinate, to make joint decisions and to act on those decisions. The philosophy of the scientific method molds knowledge into concepts that predict creative solutions. Project management techniques from the traditional, extreme, adaptive and agile approaches enable planning, scheduling, monitoring and controlling of the experiments in a research project. Your skill in communication holds all of these pieces together as you propose a research project successfully. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…