As a result,the report says, the rate of plant and animal species disappearing is continuing faster than ever before.

VOA: special.2010.05.25

But Howard-Yana Shapiro, head of plant science and external research at Mars, thinks that science could greatly increase the yield.

VOA: special.2010.10.19

Supporters of one kind of G.M.cotton, for example,note evidence that it can help a plant resist insects and viruses.

VOA: special.2010.03.23

The United States Department of Agriculture has given farmers permission to plant genetically engineered sugar beets with some conditions.

VOA: special.2011.02.15

In general,dead or living parts of plants need to be removed to improve the shape or growth of the plant.

VOA: special.2009.07.14

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 you plant some seeds every week or two, you will have harvests ready to eat one after another.

VOA: special.2010.10.12

Researchers have known since the nineteen thirties that the actively growing tip of a plant releases a hormone called auxin.

VOA: special.2009.10.13

If you plant some seeds every week or two, you will have crops ready to eat one after another.

VOA: special.2009.04.28

Black cohosh is an herb that comes from the root or underground stems of a tall plant in the buttercup family.

VOA: special.2009.05.19

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

Professor Links says workers within the nuclear plant are the only people at risk of extremely high doses of radiation.

VOA: special.2011.03.16

Three were plant-eaters. They were the western horse, the ancient bison and a two-meter tall animal called the Harlan's ground sloth.

VOA: special.2010.04.07

He says a lot of it can be avoided just by choosing the right plant for the right space.

VOA: special.2009.10.06