People can only eat about 50 percent of grain crops.

只能约50%的谷类作物。

So the future for nitrogen-fixing cereal crops is looking bright.

因此，固氮谷类作物的前景一片光明。

They become the principal supplier of grain and fish in Europe.

他成为欧洲谷类和鱼产的主要供货商。

So they hit the cereal aisle.

因此他来到了超市的谷类食品通道。

They learned to adapt the grains that are the yeast of life to different soils and climates.

他学会将谷类适应不同的土壤和气候。

Overall, people are eating more, and are getting more of those calories from meat, oil and grains.

总体上看，的越来越多，并且从肉类、油脂以及谷类中摄取的能量增多。

Well, two main cereal crops were introduced to Ireland during this time, wheat and barley, both in several varieties.

在此期间，爱尔兰引进了两种主要的谷类作物，小和，都有不同的品种。

25.Barley was the main type of grain that grew in this area.

是当地种植的主要谷类。

The important cereal sorghum was domesticated in Africa's Sahel zone, just south of the Sahara.

重要的谷类高粱是在撒哈拉以南的非洲萨赫勒地区驯化的。

So we are working on transferring that nitrogen-fixing symbiosis from legumes to our cereal crops.

因此，我正致于将这种固氮共生关系从豆科植物转移到我的谷类作物上。

It's actually pretty widespread within the plant kingdom, and it's already present in our cereal crops.

这种真菌共生现象实际上在植物界相当普遍，并且已经存在于我的谷类作物中。

In fact, the genes are already present, most of them are already present in our cereal crops.

事实上，这些基因早已存在，其中部分基因在我的谷类作物中已经存在。

In countries with a deficiency of forest land, other natural fibers such as sugar cane pulp, bamboo, cereal straws, flax, and hemp are used.

在森林地缺乏的国家，则用其它如甘蔗渣、竹子、谷类的茎杆、亚麻和麻等天然纤维来造纸。

Policymakers in India have traditionally pushed for a cereal-heavy " vegetarian diet" on a meat-eating population as a way of providing the cheapest sources of food.

印度的政策制定者传统上对肉的群推行重谷类的“素食”，以这种方式来提供最便宜的食物来源。

The popular Yan'an apples enabled Wang's family to earn an income of 120,000 yuan, nearly ten times more than growing grain crops.

广受欢迎的延安苹果让王家挣了12万元，几乎是种谷类作物收入的十倍。

An average person consumes 144 pints of milk a year, but 40% of that is poured onto cereal and 60% of those people are children.

一个普通一年要消耗144品脱牛奶，但其中40%是混合谷类食物饮用的，并且其中60%是由儿童消耗的。

However, what people eat has changed over time. And some of today's common breakfast foods, such as cereal, are the result of very effective marketing.

然而，的饮食随着时间的推移已经发生了变化。现在，像谷类食品这样常见的早餐食物是高效营销的结果。

I mean, it's kinda surprising how little variety the non-African food basket is with the big cereal crops, but weirdly, that innovation system is grossly underfunded.

我的意思是， 非洲以外的食物篮子与谷类作物的种类如此之少有点令惊讶，但奇怪的是， 创新系统的资金严重不足。

In contrast, the most important cereal crops of eastern Asia and of the New World—rice and corn, respectively—had a lower protein content that posed significant nutritional problems.

相比之下，东亚和新世界最重要的谷类作物——水稻和玉米——的蛋白质含量较低，造成了严重的营养问。

Many cereal crops are low in protein, but that deficit is made up by pulses, which are often 25 percent protein (38 percent in the case of soybeans).

许多谷类作物的蛋白质含量较低，但这种不足可以通过豆类来弥补，豆类的蛋白质含量通常为 25%（豆的蛋白质含量为 38%）。