extremely significantP <0.01
Notably, there is an extremely significant linear relationship between the accumulation of N and K in grains and yield ( P <0.01) ( Figures 7A–H ); simultaneously, there is also an extremely significant linear relationship between K accumulation in stems and leaf sheaths and yield ( P <0.01) ( Figures 7A–H ). 4 Discussion 4.1 Respon