每年它造成了非洲高粱六七十亿的损失。
Every year it causes six to seven billion dollars in damage to African grain sorghum.
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。
In certain locations things were dominated by certain cereals; rice in Asia, wheat in Europe, sorghum and millet in Africa, and maize in the New World.
农业似乎是从近东传播给这些人的，因为最早驯养的农作物是小米和高粱，起源并非非洲而是西亚。
Agriculture seems to have reached these people from the Near East, since the first domesticated crops were millets and sorghums whose origins are not African but west Asian.
人们担心对粮食作物如玉米、木薯和高粱不断利用可能会造成非洲主要粮食价格的不断上涨，特别是玉米。
There is the worry that an increase in the use of food crops such as maize, cassava and sorghum is likely to increase the food price of most staple foods in Africa, notably corn.
在今天的非洲，高粱依然分布广泛的粮食作物，现在看来，它填饱人类肚子的历史要回溯许多年了。
高粱是南部非洲一种重要的食物。
农民通过种植庄稼收入很少，也没有人对非洲的农作物，诸如高粱和木薯进行任何研究。
Farmers were getting too little for their produce and no one was doing any research into "African crops" such as sorghum and cassava.
因此研究者提出了五种可以降低成本和提高高粱产量的方法。高粱是南部非洲重要的粮食作物之一。
So the researchers suggest five methods that could decrease costs and increase production of sorghum. Sorghum is an important food grain in southern Africa.
高粱是南部非洲重要的粮食作物之一。
他说：“他在上世纪80年代培育了第一种高粱杂交新品种并且引向非洲，这种高粱耐旱，而且产量特高。”
"He developed and introduced the first sorghum hybrid in Africa in the early 1980s, which was drought tolerant and produced significantly higher yields," said Quinn.
他说：“他在上世纪80年代培育了第一种高粱杂交新品种并且引向非洲，这种高粱耐旱，而且产量特高。”
"He developed and introduced the first sorghum hybrid in Africa in the early 1980s, which was drought tolerant and produced significantly higher yields," said Quinn.
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