In Northeast China maize is primarily cultivated as a monoculture in the most area where the growing seasons are relatively longer Lower temperatures at the vegetive stage couple with seasonal drought

In Northeast China, maize is predominantly grown as a monoculture across a large part of the region, benefiting from relatively longer growing seasons. However, the expansion of maize density in this area is hindered by the significant constraints of lower temperatures during the vegetative stage and seasonal droughts during the reproductive stage.