He and his group shared the science behind regulations designed to keep air, water and soil resources clean, he said. (aaas.org)
As roots take up water and nutrients from the soil, C4 plants have important advantages in dry and infertile soils across the world's savannas and grasslands — a quality which could be engineered into rice to help the crop use soil resources more sustainably as well as producing larger yields. (sciencedaily.com)
This beautifully illustrated Rocks and Soils resource provides almost 80 pages of learning materials, including puzzles, worksheets, games and craf... (tes.com)