Abstract

Comments on the special issue of FASE on ‘Agriculture in Water-Limited Areas’

Highlights

  • Food security is a major concern as world population continues to increase, the area of productive land continues to decrease due to land degradation and the spread of urban and rural infrastructure, water for irrigation is becoming scarcer and more costly, and rainfall is less predictable

  • The predicted increases in temperature and decreases in rainfall resulting from climate change[1] could decrease yields by up to 50% in some arid and semiarid climates[2]

  • Adoption of conservation agriculture techniques and improved cultivars has doubled the yield of rainfed wheat in Australia[4], while plastic-film ridge-furrow technology has increased the yield in maize by 30% to 100% in cold, water-limited environments of northern China[5]

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Summary

Introduction

Food security is a major concern as world population continues to increase, the area of productive land continues to decrease due to land degradation and the spread of urban and rural infrastructure, water for irrigation is becoming scarcer and more costly, and rainfall is less predictable.

Results
Conclusion
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