›› 2019, Vol. 31 ›› Issue (5): 695-703.DOI: 10.3969/j.issn.1004-1524.2019.05.03

• Crop Science • Previous Articles     Next Articles

Water footprint of maize production in middle Jilin under different rainfall years

ZHENG Xiaoxue, QIN Lijie*   

  1. School of Geographical Sciences, Northeast Normal University, Changchun 130024, China
  • Received:2018-12-05 Online:2019-05-25 Published:2019-05-23

Abstract: The middle of Jilin province is an important production base of commodity grain in China, and is famous for its high and steady maize yield. In the present study, the characteristic of water consumption and the spatial variations of the water footprint of maize growth were analyzed, which was beneficial for the rational utilization of agricultural water resources and the sustainable development of agriculture. It was shown that the water footprint of maize production was higher in the north of study area, and was lower in the south. The footprint in the drought year was the largest, yet the footprint in the humid year was the smallest. The major proportion of water footprint was the green water footprint, which was almost 75%. The green water footprint was dominated by the effective precipitation footprint, of which the largest proportion was recorded in the humid year, and the smallest proportion was recorded in the drought year. The consumption of soil water was the largest in the drought year, and the smallest in the humid year.

Key words: water footprint, maize, rainfall years

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