wheat and rice straw 稻麦秸秆
Wheat and Rice Policy 小麦和大米政策
wheat and rice yields 小麦和水稻产量
Yields of wheat and rice 小麦和水稻产量
Second, yield growth has been lower in wheat and rice than in corn and soyabeans.
其次,小麦和水稻的产量增长一直低于玉米和大豆。
This is problematic because wheat and rice are more important as foods, accounting for around half of all calories consumed.
这是有问题的,因为小麦和大米作为食物时更为重要,约占卡路里消耗总量的一半。
The world's population is expected to reach 7,000 million by the year 2000, but already scientists have produced new and better varieties of wheat and rice and animal.
到2000年,世界人口预计将达到70亿,但是科学家已经培育出了新的、更好的小麦、水稻和动物品种。
Borlaug worked in fields to show farmers new ways to grow crops like wheat and rice.
VOA: special.2009.11.10
In certain location things were dominated by certain cereals; rice in Asia, wheat in Europe, sorghum and millet in Africa, and maize in the New World.
不同的地方有不同的主食,比如,亚洲主食米饭,欧洲主食小麦,非洲主食高粱和小米,美洲主食玉米
He worked in the fields to show farmers new ways to grow wheat, rice and other crops.
VOA: special.2009.09.22
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