Monsanto expects to be ready in a few years to market its first corn seeds genetically engineered to resist drought.

VOA: special.2009.03.23

Some of the challenges that you see here I mentioned before, so there are problems with drought, with pests, with temperature changes and the like.

我之前提到的,你们所见的这些挑战,如干旱问题,虫害问题以及温度变化之类的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Researchers say villages where farmers planted trees did better than others during a drought and food shortage in two thousand five.

VOA: special.2011.05.10

Even under drought conditions, trees can often provide food and a way to earn money until the next growing season.

VOA: special.2009.09.01

Monsanto expects to be ready in 4 years to market its first corn seeds genetically engineered to resist drought.

VOA: special.2009.01.20

But these slow-wilting lines, he says, produce 4 to 8 bushels more than normal soybeans under drought conditions.

VOA: special.2009.01.20

The scientist also considered the possibility that drought could be much worse by the end of the century.

VOA: special.2010.11.23

But these slow-wilting lines, he says,produce four to eight bushels more than normal soybeans under drought conditions.

VOA: special.2009.03.23

The farmers are paid back for the inputs if their crops fail because of drought or flood.

VOA: special.2010.05.11

When there is crop failure because of a drought or flood, farmers receive a text message.

VOA: special.2010.05.11

He rode that tornado across Texas, New Mexico and Arizona, all the time squeezing the rain out of it to save the land from drought.

VOA: special.2009.11.28

The seeds of this drought-resistant plant can be boiled for eating or for making flour.

VOA: special.2010.02.09

Members of Team Drought studied more than two thousand five hundred examples from the collection.

VOA: special.2009.03.23

That finding led to the development of seeds resistant to both Striga and drought.

VOA: special.2009.06.16

Farmers in Afghanistan already struggle with the effects of drought and years of conflict.

VOA: special.2009.08.18

The researchers developed a document they are calling a Monsoon Asia Drought Atlas.

VOA: special.2010.05.25

The report says drought,food insecurity and civil unrest affected about twenty-four million people.

VOA: special.2010.02.15

It all happened during the worst drought the West had ever seen.

VOA: special.2009.11.28

A report about the Monsoon Asia Drought Atlas appeared in Science magazine.

VOA: special.2010.05.25

Members of Team Drought studied more than 2,500 examples from the collection.

VOA: special.2009.01.20

He leads Team Drought, a group of researchers at 5 universities.

VOA: special.2009.01.20

He leads Team Drought, a group of researchers at five universities.

VOA: special.2009.03.23

These resisted drought and led to a major increase in production.

VOA: special.2009.06.16

Tommy Carter started working on drought-resistant soybeans in nineteen eighty-one.

VOA: special.2009.03.23

Tommy Carter started working on drought-resistant soybeans in 1981.

VOA: special.2009.01.20

Lantana is an example of a popular drought-resistant plant.

VOA: special.2009.02.03

Drought is not the only enemy.

VOA: special.2009.06.16

But this summer, after weeks of drought and wildfires, Olga Kubysheva says it feels like living next to a nuclear reactor.

VOA: standard.2010.08.10

But this year, large parts of rural India have been hit by drought, reducing incomes and raising food prices.

VOA: standard.2009.09.19

The result ended a medal drought for Morrison, who had failed to medal in his previous events at these Olympics.

VOA: standard.2010.02.28