How long is the growing season for summer corn?

How long is the growing season for summer corn?

How long is the growing season for summer corn?

The growth cycle of summer corn is about 100 days, but this time is not fixed. It is divided into early-maturing, mid-maturing and late-maturing varieties. The growth cycle of early-maturing varieties is 80-100 days, the growth cycle of mid-maturing varieties is 100-120 days, and the growth cycle of late-maturing varieties is 120-150 days.

The growth of summer corn goes through three stages: sowing stage, jointing stage, trumpet stage and maturity stage. The plants are sown around June 20 and the harvest time is from September to October.

The growth process of summer corn

1. Sowing period: After the summer corn seeds are buried in the soil, seedlings will grow out in about 6 days, and then they will begin to joint and differentiate into roots, leaves, and stems.

2. Jointing stage: During this period, corn will go through the process of jointing to heading, and its nutritional growth is relatively vigorous, so the plants need to be fertilized in time.

3. Flowering and grain stage: During this period, the leaves of summer corn are fully unfolded and reproductive growth begins. The plants must be protected from damage.

Summer corn growth period maintenance and management

1. During the seedling stage of summer corn, measures such as field inspection, seedling replacement, thinning and finalization, and inter-row cultivation and weeding should be carried out. The main purpose is to make the seedlings strong and uniform.

2. Summer corn needs topdressing during the jointing stage. At this stage, the plant has a higher demand for nutrients and water. About 70 kilograms of urea should be applied per acre.

3. During the flowering and grain stage of summer corn, the main measures to be taken include drainage, emasculation and pollination, and removal of empty stalks.

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