Carbon Dioxide, Climate Change, and Crops in the Twenty-First Century The Dawn of a New World

Authored by: Glen M. MacDonald

Handbook of Plant and Crop Physiology

Print publication date:  March  2014
Online publication date:  March  2014

Print ISBN: 9781466553286
eBook ISBN: 9781466553293
Adobe ISBN:

10.1201/b16675-46

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Abstract

Considerations of crop physiology in the twenty-first century must take into account the ongoing and pervasive influences of anthropogenic increases in carbon dioxide and resulting climate change. Similarly, attempts to predict the impacts of increasing CO2 and climatic change on future crop yields must include a refined understanding of physiological responses to CO2 fertilization and the influence of this on crop responses to warmer temperatures and moisture stress. Finally, nitrogen, one of the most applied nutrients, produces a powerful greenhouse gas, N2O, and this must be considered when developing agricultural strategies to feed the planet’s burgeoning human population. In many ways, twenty-first-century crop sciences have to contend with a new and different world relative to the past 10,000 years of agriculture.

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