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crop yields

网络作物产量；农作物生产量

crop yields

crop yields

crop yields

作物产量

英语新闻2. China... ... 1. winter wheat 冬小麦 2. crop yields 作物产量 谷物收获量 3. apart from 远离, 除...之外 ...

农作物生产量

20061... ... might generate weed problems( 杂草问题) Crop yields( 农作物生产量) Genetically engineered plants( 基改植物) ...

1

In principle , such a thing looks possible : the technology to double or triple many crop yields exists in laboratories .

原则上，有这种可能性：实验室中的确存在着能使粮产增加 1-2 倍的技术。

2

banking on ample monsoon rains this year to boost crop yields , and bring down the prices of food , which hit the poor particularly hard.

政府还寄希望于今年充足的降水可以提高作物产量，从而降低粮食价格，因为粮食价格对穷人影响最大。

3

Over-irrigation led to the depositing of mineral salts on the soil to such an extent that crop yields were reduced sharply .

过份之灌溉导至无机盐贮存在土壤上，使农产品显著地减产。

4

Just a decade from now , crop yields in some parts of Africa are expected to drop by 50%.

仅在十年以后，非洲某些地方的农作物产量预计将减少 50%。

7

If crop yields are to match the rise in population , then some of them will have to go up dramatically .

如果作物的产量跟人口增长相符合，土地，水，肥中有些将不得不大幅增长。

11

Rivers and streams are drying up, crop yields are plummeting , and trees have begun to flower long before spring arrives.

河水和溪流日渐干涸，农作物产量急剧下降，离春天还远，树木就进入了花期。

12

14

During the Green Revolution of the 1960s , staple-crop yields were rising by 3-6% a year .

在 20世纪60年代绿色革命时期，大宗作物单产一年便提高了 3-6%。

15

Crop yields are painfully low , but improving production of staples demands emissions-heavy fertilizer and irrigation technologies .

作物产量低得可怜，但若想提高粮食产量，就需要使用排放严重的肥料和灌溉技术。

16

Most of the agriculture is rain-fed, and with lack of rain , crop yields are poor .

这里的大部分农业靠降雨维持，如果缺乏降雨，庄稼的收成就很差。

18

A technique using small amounts of fertiliser , pioneered by African agricultural scientists , is boosting crop yields in degraded soils .

非洲科学家们先行了一种使用少量化肥的技术，促进了在已退化土壤中的庄稼产量。

19

East and South -East Asia - crop yields could increase up to 20%.

东亚和东南亚 ——粮食可能增产最高达 20%。

26

To be more exact: growth in population and demand for food have both slowed down , but crop yields have slowed more.

更确切的说，人口和食物需求增长都降低了，但是谷物产量降幅更大。

29

What's more , climate change is expected to make some regions drier or hotter, which may send crop yields plummeting .

更有甚者，气候的变化很可能使这些地区或越来越干燥，越来越炎热，致使农作物歉收，产量直线下降。

30

These seemingly simple watershed measures helped boost crop yields dramatically .

这些看似简单的蓄水措施大大提高了农作物收成。

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