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undergraduate. Annual cultivation of grain. The straw is upright,
30
to
100
centimeters. The two columns of leaves are inter-living, the line is needle-shaped, the membrane of the
,
2. Conical flower sequence loose; small spike long circle, flattened on both sides, containing
3
small flowers, ying extreme degradation, leaving only traces, the top small flowers of both sexes, outside
boat-shaped, mango
Yingguo. Native to tropical Asia. It is one of the world's major food crops. China's rice seeding surface accounts for 1/4
of the country'
of grain crops, while the yield accounts for more than half. Cultivation history has
6000
to
7000
years. For important food crops, in addition to edible fruit, can be made starch, wine, vinegar, rice bran can be made sugar, oil, extracted aldehyde for industrial and pharmaceutical use, rice rods for good feed and paper raw materials and weaving materials, grain buds and rice roots for medicinal use.。
