prices vary from region to region, but on the global commodity markets wheat and maize have increased almost 50 percent over last year.
世界粮食价格因地区而异。但在全球商品市场上,小麦和玉米价格在过去一年上涨了几乎50%。
the warmer temperatures mean that some of them can now grow peaches and maize where previously they could not.
升高的温度意味着一些村民能种植桃子和玉米这些从前不能种植的作物了。
the researchers say it should be possible to transfer this process to rice by inserting genes from maize or from wild relatives of rice that also use it.
科学家说,通过把来自玉米或者具有此功能的水稻野生亲属的基因插入水稻中,就有可能让水稻也具有这一功能。
but why did maize become the favoured food and the revered grain of the americas?
但为什么唯独玉米成为所有美洲人最为青睐的食品与崇敬的谷物?
at some stage there will always be maize around, and it jumps any class barrier or identity.
在某些阶段,我们生活周遭永远都有玉米的存在,超过了任何障碍与身份识别。
but some plants, including maize and sorghum, have evolved to use a type called c4.
但是一些植物,包括玉米和高粱,进化成了使用c4型的光合作用。
the maya believed that their ancestors essentially came from corn, and they were formed of yellow and white maize dough.
玛雅人认为他们祖先基本上是从玉米进化而来的,由黄玉米与白玉米面团做成的。
in some african markets maize and wheat prices have risen by 30% this year.
今年,在一些非洲市场上,玉米和小麦的价格上涨了30%。
american farmers say that government demand for ethanol is starting to abate, so the impact on maize supplies and prices is more modest now.
美国农民说,政府对乙醇的需求已经开始减弱,因此现在对玉米的供应和价格的影响是较为平缓了。
farmers who planted fertilizer trees reported double the maize production of other farmers.
种植肥料树的农民的玉米产品比其他农民高出一倍。
they struggle to grow enough potatoes, maize and rice to feed themselves.
他们勤劳地种植足够多的土豆、玉米和大米来养活自己。
he reckons he has enough maize to feed his family until november.
他估计他收获的玉米只能让他的家人吃到今年十一月。
she is ambitious and saves what money she can so she can buy at least a bit of fertilizer for her maize crop.
她雄心勃勃并将能节省的钱留起来,这样她至少可以为她种植的玉米作物买一点肥料。
now someone must have upset him: rising maize prices could force the price of tortillas up by 50%, the makers of the corn pancakes warned last month.
现在,肯定有谁触犯了这位神灵了:玉米薄饼市场上月警告说,玉米价格的不断上涨推动了玉米饼价格上涨了50%。