CORVALLIS, Ore. - It's a simple equation: If you want to grow better plants, you first need to understand the soil. "The texture of a soil is its proportion of sand, silt and clay," said James Cassidy ...

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Biofuels are a key component of a clean energy future, and it turns out that the soil is more important than the crop. As an Earth scientist, I was pleased to see it was the soil. I shouldn’t have ...

Long-term (1985-1992) dynamics and spatial variations in soil water below the evaporative zone were evaluated for a shortgrass steppe with a low and variable precipitation regime. Each of a sandy loam ...