论文部分内容阅读
我国北方水资源不足,且短期内很难改变,故京、津、冀等省市的稻田面积有缩小趋势。为了扩大北方稻作面积,解决人民吃米问题,种植麦茬直播旱稻,(简称“雨季稻”)是可供选择的途径。华北一般年平均雨量600毫米
In northern China, water resources are insufficient, and it is hard to change in the short term. As a result, the paddy fields in Beijing, Tianjin and Hebei provinces have been shrinking. In order to expand the area of rice in the north and solve the problem of people eating rice, planting direct-seeded dry rice with stubble (referred to as “rainy season rice”) is an alternative way. The average annual rainfall in North China is 600 millimeters