Healthy trees are also better able to fend off insects.

树种御虫害能力更加强大。

These new crops must also be more resistant to drought, heat, and pests.

这些新作物还必须对干旱、高温和虫害有更强抵抗力。

From too much water to too little, to pests, a lot can happen.

涝灾、旱灾，还有病虫害，存在各种不确定因素。

A healthy soil reduces disease and helps crops grow strong and healthy.

土壤会减少病虫害 并且帮助农作物茁壮成长。

Many farmers welcomed them as a great way to stop crop disease and increase production.

很多农民喜欢使用化肥。把化肥作为治农作物病虫害和提高产量重要手段。

This new funding brings the U.S. humanitarian response to the infestation to $19 million.

这笔新资金使美国对虫害人道主义援助达到1900万美元。

Just thinking about a bug infestation is uncomfortable.

仅仅想到虫害就让人不舒服。

Agricultural biodiversity is the best hedge against future blights, including pests, diseases and climate change.

农作物生物多样性是对未来可能发生病虫害、气候变化等重大灾害最好卫 。

It is important to ask the garden center workers about pest-management practices.

询问园艺中心工作人员有关虫害管做法是很重要。

Each year, 40 percent of the potential harvest is lost to pest and disease.

每一年，有40%潜在粮食产量都损失于虫害和疾病。

Pests and diseases can cause that. Sometimes the insects are malnourished.

虫害和疾病会导致养蜂人受损。有时营养不良也会导致这种情况。

So people began importing an Asian species called the harlequin ladybird as natural pest control.

因此人们开始引进一种称作“丑瓢虫”亚洲物种，以此作为控制自然虫害手段。

In recent years, warnings of infestations in ponds and lakes have become routine.

近年来，池塘和湖泊虫害警告已成为家常便饭。

And there may be threats from new pests or plant diseases.

而其他地区洪水不断。新虫害或作物疾病也带来了威胁。

Under primitive agricultural conditions the farmer had few insect problems.

在原始农业条件下，农民很少遇到虫害问题。

Another concern is about pest-resistant GMOs — that they can stop working over time.

另一个担忧是抗虫害转基因生物——它们可能会随着时间推移而失效。

Some of these microbes are beneficial to the plant, suppressing disease and helping it extract nutrients.

有些微生物是对植物有益，能抑制病虫害和增强养分吸收。

The seller claimed to be unaware of it, despite 2 pest control reports on the matter.

卖家声称不知道这件事，虽然有两份与此相关虫害治报告。

And 80 percent of survey respondents want hotels to do the same-even if the infestation is long gone.

80%受访者希望酒店也能公开类似信息，即使虫害早已不复存在。

The part of our immune system that recognizes allergy causing food also reacts to certain wormy, buggy infections.

我们免疫系统一部分可以识别导致过敏食物，也能对特定虫害感染起反应。