关键词: 小麦, 华北平原, 压采地下水, 粮食安全

Abstract: For a long time, North China Plain, as a major  grain production area, relies mainly on groundwater extraction to sustain agricultural production. Thus, regional water resources safety and ecological security are facing a huge challenge. To achieve the “reducible-exploitation” of groundwater, measures with saving water as the core were proposed by this region. Emphases were put on adjusting plantation structure, developing high-yield and low water consumption crops. Wheat as a principal grain crop of this area is yet a high water consumption crop. Therefore, it is of  important significance to defenit the relationship of wheat production and water resources safety in optimizing agricultural irrigation method and adjusting plantation structure in North China Plain. This paper adopted the method of combining investigation with data collection, studied on the effect of different irrigation methods and plantation structure on wheat yield and water consumption. It also discussed the impact of different production methods on wheat yield and grain security, and suggested that while  implementing “reducible-exploitation” of groundwate, attention should be paid on selecting reasonnable water-saving models or technology based on actual situation, instead of simply reducing wheat acreage in production or  even giving up wheat production.

Key words: wheat, North China Plain, reduce the extraction of groundwater, food security