资讯

NPR14 年
Giant Sand: Dirt, Dust And A Flash Of Weirdness - NPR
In "Brand New Swamp Thing," Giant Sand shares a roadside love story about a woman unafraid to make the first move. ... Giant Sand: Dirt, Dust And A Flash Of Weirdness. January 21, 2011 11:53 AM ET ...
Marin Independent Journal11 年
The Real Dirt: Nutrient availability determined by soil texture and pH
To grow, plants must absorb nutrients from the soil. Not only must these nutrients be present in sufficient quantities, they must also be available for uptake by the plant. Nutrient availability is… ...
The Idaho Press-Tribune3 年
Sand, silt or clay? Texture says a lot about soil
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, a ...
Toronto Star16 年
Sand and dirt: This problem is blowing in the wind
Neighbours of a derelict gas station are fed up with the gritty dirt it pumps onto nearby properties during windy weather.