National;
Engineering;
and;
Technology;
Center;
for;
Information;
Agriculture;
Ministry;
of;
Industry;
and;
Information;
Technology~Key;
Laboratoryfor;
Information;
Agriculture;
Science;
and;
Technology;
Department;
of;
Jiangsu;
Province~College;
of;
Agriculture;
Nanjing;
AgriculturalUniversity;
Nanjing;
210095;
P.R.;
China;
水稻产量; 生产潜力; 主产区; 时空分布特征; 中国; 光合生产率; 空间分布特征; 增产潜力;