Officials in Liberia say tens of millions of caterpillars are destroying crops and polluting waterways in the country's agricultural centers.

VOA: special.2009.01.27

Recently we told you about a study of genetically engineered crops and how they have affected farming in the United States.

VOA: special.2010.05.18

Based on their research, the experts suggest that farmers plant a variety of crops and not just depend on rice.

VOA: special.2010.03.30

Roots of Peace supports the planting of native crops and the employment of landmine victims to farm the cleared land.

VOA: special.2010.05.03

It found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.04.27

But they also found something else. They say another kind of bug is now attacking the cotton and other crops.

VOA: special.2010.05.25

The researchers point out that gene flow between crops and their wild relatives is common and difficult to contain.

VOA: special.2009.10.27

Agriculture Minister Christopher Toe urged other countries to help save Liberia's crops and other vegetation that the caterpillars feed on.

VOA: special.2009.01.27

Tilling can remove weeds and the waste from last season's crops and help break down old plant material into fertilizer.

VOA: special.2010.09.28

Another animal with a good memory -- the elephant -- often raids field crops, especially maize and cassava.

VOA: special.2010.07.27

Agriculture Report. Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects,diseases, droughts or floods.

VOA: special.2009.10.27

The study found that many farmers have better harvests, better weed control and fewer losses from insect damage compared to traditional crops.

VOA: special.2010.05.18

He did this while picking crops in the fields and shining people's shoes to earn money to survive.

VOA: special.2010.05.16

He worked in the fields to show farmers new ways to grow wheat, rice and other crops.

VOA: special.2009.09.22

But they arrived too late in the year to plant crops, and their supplies nearly ran out.

VOA: special.2009.08.17

How many hours a day the pump needs to be operated depends on the season and how much water is needed for crops.

VOA: special.2009.08.17

Farmers could not plant crops, because they had no seed and no animals to break the ground.

VOA: special.2010.01.14

They cannot borrow in credit markets and they depend on exports of commodities like crops or minerals.

VOA: special.2009.03.13

Among the plants that can absorb more contaminants, they say,are root crops, leafy vegetables and herbs.

VOA: special.2009.06.09

Weeding,seeding and watering requires at least as much work as crops grown in the open air.

VOA: special.2009.12.22

His work with rice and wheat crops saved millions from starving in Asia and Latin America.

VOA: special.2010.06.22

Borlaug worked in fields to show farmers new ways to grow crops like wheat and rice.

VOA: special.2009.11.10

They had a good water supply in Frijoles Creek and fertile land for growing crops.

VOA: special.2010.07.05

The plant attacks sorghum and other crops and steals water and nutrients from the roots.

VOA: special.2009.06.16