Corn (scientific name: Zea mays)

Corn (scientific name: Zea mays)
Corn is a food crop and feed.
The roots of corn are strong and have pillars. The stalks are thick and the leaves are wide, and the flowers are monoecious.
Corn was native to Central America and was introduced to China around the 16th century.
Currently the largest corn exporters are the United States and China.
Corn prefers a temperate environment, and the optimum temperature for seed germination is 25 to 30 °C.
The average daily temperature during the growth period is above 18 °C.
The average temperature from heading to flowering is 26 to 27 °C.
At the time of earing and maturity, it should be kept at 20 to 24 ° C; below 16 ° C or above 25 ° C, the quality of corn will be worse.
Corn is a short sunshine Irradiation crop,the sunshine <12 hours, it will be early headed grain, and if the sunshine is too long, the flowering will be late/delayed or even not.

The above information is quoted from
" en.wikipedia.org/zh-tw/%E7%8E%89%E7%B1%B3 "
" Kohler Medicinal Plant (1897) "
" www.moneydj.com/KMDJ/Wiki/wikiViewer.aspx?keyid=2eebb251-3eff-4138-bf35-a2cc5a7a8ff9 "

玉米（學名：Zea mays）
玉米是糧食作物，也是飼料。
玉米的根系強大，有支柱，其稈粗壯，葉子寬大，花朵乃是雌雄同株。
玉米原產於中美洲，大約在16世紀的時候，才傳入中國。
目前最大的玉米出口國，分別為美國和中國。
玉米喜歡溫帶環境，種子發芽的最適溫度為25～30℃。
生長期日均溫18℃以上。
從抽穗到開花日均溫26～27℃。
結穗和成熟的時候，需保持在20～24℃；低於16℃或高於25℃，玉米的質量會變差。
玉米為短日照作物，日照時數在12小時內，成熟會提早，若日照過長，則開花會延遲，甚至不會結穗。

以上資料引用自
" zh.wikipedia.org/zh-tw/%E7%8E%89%E7%B1%B3 "
" 科勒藥用植物(1897) "
" www.moneydj.com/KMDJ/Wiki/wikiViewer.aspx?keyid=2eebb251-3eff-4138-bf35-a2cc5a7a8ff9 "