ABSTRACT
Global warming refers to climate change that causes an increase in the average temperature of the lower atmosphere. Global warming has emerged as the most serious environmental threat to the Earth in the twenty-rst century. The global population is now discussing the environmental problems and their remedies. This environmental problem on a global scale can originate from any part of
Abstract 357 15.1 Introduction 358 15.2 Predictions of climate change models 359 15.3 Global warming impacts on plant growth and
agriculture 361 15.4 A crop yield response to climate change: Global
perspective 362 15.5 Direct effect 363 15.6 Indirect effect 366 15.7 Pests and diseases susceptibility 367 15.8 Climate change and water availability 368 15.9 Climate change and soil fertility 369 15.10 Climate change impact on Indian agriculture 370 15.11 Vulnerability assessment in Indian agriculture 374 15.12 Mitigation of climate change 376 15.13 Genetic resource centres for adaptation to
climate changes 377 15.14 Conclusion 378 References 379
the world yet affect the whole Earth. The global warming problem directly or indirectly affects the ecosystem, agriculture and human beings. It is estimated that temperature has been increasing at an average rate of 0.3% per decade or 5°C in 170 years due to industrialisation, urbanisation, burning of fossil fuel, deforestation and so on. The concentration of carbon dioxide (CO2) in the atmosphere is expected to double by the end of the twenty-rst century. Crop prediction models have been made to study the impact of climate change on agricultural production and food security. In India, a number of experiments have been done to understand the nature and magnitude of change in different crop yield due to climate change.
