spring corn

summer corn

Spring sowing corn areas in the north: three northeastern provinces, Inner Mongolia, and Ningxia

Summer corn sowing areas in the Huang-Huai-Hai Plain: mainly Shandong and Henan

Starch: accounting for more than 60% of the total mass of corn

protein

Dietary fiber

vitamins

Minerals and other nutrients

subtopic

Low temperature airtight: According to the storage characteristics of corn, it is suitable for low temperature and dry storage. One is dry airtight, and the other is low temperature freezing airtight.

Corn ear storage: The corn is not threshed, the porosity in the ear pile is high, the ventilation conditions are good, and it is suitable for the low temperature season.

Corn test weight: ① First class test weight: > or = 720g/l, ② Second class test weight: > or = 685g/l < 720g/l, ③ Third class test weight: > or = 650g/l < 685g/l, ④ Fourth class Bulk weight: > or = 620g/l < 650g/l, ⑤ Fifth-grade bulk density: > or = 590g/l < 620g/l, ⑥ Bulk density lower than 590g/l is not a first-class product.

Moisture: Generally, the safe moisture content of corn in Northeast China is 14.0%

weather factors

Market demand

policy factors

production factors

Global supply and demand changes

①North America: U.S. corn production accounts for more than 40% of global corn production

② Asia: China’s corn production accounts for about 20% of global corn, followed by India and the Philippines

③Europe: Ukraine, France, Italy

④South America: Brazil, Argentina (planting cycle: October to March of the following year)

Main consumer countries: United States, China, European Union, Brazil, Mexico

Consumer demand: rations account for about 20%, feed accounts for about 70%, and industrial processing

Imports: Domestic imports are currently dominated by Brazilian corn.

Exporting countries: United States, Brazil, Argentina, Ukraine

The price ratio of wheat and corn: 0.9:1.0. The amount of corn replacement should be controlled below 2/3. In the feed for young livestock and poultry, the proportion should be reduced to 1/5.