Summary of the benefits of various crops in autumn
Sweet potato: 2/kloc-0 /×12× 4×12×120-12× 300 =141700.
Eggplant: 2/kloc-0 /×12× 4× 7× 80-12×120 = 551040 (yuan)
Pepper: 2/kloc-0 /×12× 4×1× 40-12×150 = 426720 (yuan)
Carrot: 2/kloc-0 /×12× 4×120-112× 300× 4 = 349440 (yuan)
Spinach: 2/kloc-0 /×12× 4× 6× 80-12× 200× 6 = 349,440 yuan.
Conclusion:
Sweet potato is the most profitable.