This work was supported by the National Nature Science Foundation of China(Grant No.51939005);the National Key Research and Development Program of China(Grant No.2017YFD0201500)and the 111 Project(B18006).
The Northeast China Plain(NECP)is one of the main maize(Zea mays L.)production regions in China but is now subject to drought because of climate change and a rain-fed cultivation system.A two-year experiment was condu...