In China, the corn ripening season is usually in the fall, from late September to early October. At this time of year, the corn bracts are dry, the kernel milkline disappears, the black layer appears, and the moisture content is less than 32%. It is suitable for storage at harvest for these reasons.

Corn, compared with traditional rice, wheat and other food crops, corn has a strong drought resistance, cold resistance, barrenness and excellent environmental adaptability. It is widely distributed in the United States, China, Brazil and other countries.

Corn selection notes:

1, first look at the leaves. If they are green, the corn is fresh; if they are yellow and dry, the corn is overcooked.

2, light pinch corn kernels. Fresh corn, corn kernels water enough, very full, with a fingernail can pinch out water. On the other hand, overcooked ones will be deflated.

3, smell. Buy corn when the weather is hot, if you smell a copy of the sour odor, indicating deterioration.

The above content reference? Baidu Encyclopedia - corn