During the 1840s, blight raced through Ireland's potato crop, lleading to a famine that killed at least 1 million people.

19世纪40年代时，枯萎病迅速蔓延爱尔兰马铃薯作物，因而引发一场荒，至少有一百万人饿死。

Yet, largely on the basis of named crop varieties that are no longer extant, the UN's Food and Agriculture Organisation estimates that 75% of crop biodiversity has been lost from the world's fields.

据联合国农组织估计，以有命名作物品种为基础，75%作物生物多样性已经 在田间消失了。

A period of freezing weather destroyed a large part of Brazil's coffee crop.

持续了一段时间严寒天气破坏了很大一部分巴西咖啡作物。

Together, these conditions would hinder crop and agriculture production, eventually leading to food shortages.

这些条件加在一起将阻碍作物和农业生产，最终食短缺。

C) They cannot boost crop yields without causing greenhouse gas emissions.

C）们无法在不造成温室气体排放下提高作物产量。

In agriculture, it will take both better breeding—for more water efficient crops—and smarter irrigation.

在农业中，既要培养更多能高效利用水资源优良作物品种，也要加强建设智能灌溉。

The yellow-spined bamboo locusts are eating crops including rice, corn and canes.

黄脊竹蝗正取食水稻、玉米和甘蔗等农作物。

Where we would eat crops fertilized with our own waste.

我们排泄物可以作为肥料培育可食用农作物。

Pesticides and fertilizers are used by farmers to grow crops such as fruits and vegetables.

农民用杀虫剂和化肥种植水果和蔬菜等作物。

They learned to increase the yield and multiply the number of varieties.

他们学会增加农作物收成和种类。

Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive crops, such as strawberries, need labor.

玉米、棉花、水稻、大豆和小麦等农作物生产基本上实现了机械化，但是很多诸如草莓一类价值高、人口密集型作物需要手工劳动力。

But the EIC began coercing Indian farmers to grow a different crop that, used recreationally, would turn countless people into addicts.

但东印度公司开始强迫印度农民种植另一种作物，这种作物如果用于娱乐，会让无数人染上毒瘾。

Wild pigs cause millions of dollars in crop damage yearly.

野猪每年造成农作物损失高达数百万美元。

For many in developing countries, the crops they relied on year after year no longer grow in abundance.

对发展中国家许多农民来说，他们年复一年种植作物长势不再那么好。

Farmers were allowed to sell their surplus crops on the open market.

农民可以在自由市场中售卖自己多余农作物。

Besides tourism, La Palma depends on banana crops to support its economy.

除了旅游业，拉帕尔马经济还依靠香蕉作物。

Some reports say there are billions destroying crops and threatening livelihoods.

一些报道称，数十亿只蝗虫正在破坏农作物，威胁人们生计。

Farmers have been using drones to make sure their crops are healthy and emergency crews use them in Puerto Rico and Nepal after natural disasters struck.

在自然灾害发生后，农民们一直使用无人机来确保他们作物是健康，紧急救援人员在波多黎各和尼泊尔使用无人机。

And that makes it possible to cultivate fresh produce where there is no useable soil.

这种方式可以在没有土壤下种植新鲜农作物。

So, animal waste somehow has come in contact with crops.

因此，动物粪便与农作物有某种联系。