The students use the mixture to fertilize the soil instead of buying chemical fertilizers that could harm the environment.

VOA: special.2009.04.14

For example,she noted that crops designed to resist damage by glyphosate need fewer pesticides that are more toxic to the soil.

VOA: special.2010.04.27

And Amber Banks says they want the same people who get food donations to learn how to work the soil.

VOA: special.2010.07.06

But a newly announced project to develop soil maps and make them available on the Internet promises help for the situation.

VOA: special.2009.01.20

Fabian Fernandez, a soil and plant nutrition expert at the University of Illinois, says no-till means less intensive labor.

VOA: special.2010.09.28

If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.

VOA: special.2009.03.10

To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.

VOA: special.2009.03.10

For the best results, carrots should be grown in sandy soil that does not hold water for a long time.

VOA: special.2009.02.24

The first lady showed the young gardeners how to turn the soil for the one hundred square meter garden.

VOA: special.2009.03.31

Think about growing cabbage if you live where the weather is cool and the soil is moist and fertile.

VOA: special.2009.03.03

Experts say warm days, cool nights and a medium soil temperature are the best conditions for growing carrots that taste great.

VOA: special.2009.02.24

The researchers say the nanodiamonds were all found in a level of soil thought to be about 13,000 years old.

VOA: special.2009.01.20

The water is collected through two holes and in the holes there is a siphon to carry it to the soil.

VOA: special.2010.07.13

Farmers lack enough inputs to maintain soil fertility is parts of many developing countries, especially in Africa south of the Sahara.

VOA: special.2009.07.28

David Robson from the University of Illinois Extension says the best results come from moist, richly organic black soil.

VOA: special.2009.07.07

He says a dense, competitive crop that quickly shades the soil from the sun will help reduce weed growth.

VOA: special.2011.07.26

If your soil is very dry, you can add peat or compost, which returns nutrients to the soil.

VOA: special.2010.06.15

So keep the garden watered. Moist soil absorbs more heat than loose,dry soil covered with mulch or vegetation.

VOA: special.2010.01.12

The volunteers placed the plants about five centimeters into the soil to prevent rising and falling water levels from pulling them out.

VOA: special.2009.10.06

"Terroir" is the word used to describe how a vineyard's soil and climate give a wine special qualities.

VOA: special.2010.10.13

Plantings in the wetlands help hold down the soil against the forces of erosion, like wind and water.

VOA: special.2009.10.06