piehole19's channel
Loading...
0
subscribers
0
video views
-
2 weeks ago
NASA | Temperature Data: 1880-2011
http://www.nasa.gov/topics/...
The global average surface temperature in 2011 was the ninth warmest since 1880.The find...
piehole19
liked
-
1 month ago
Lime & Gypsum
Gypsum (calcium sulphate) enables more water, air & nutrients to penetrate a clay soil. In this Sir Walter video Nigel Ruck explains how to use Gyp...
piehole19
commented:
-
3 months ago
Monarchs and Milkweed
Great Migrations: Behind the Scenes : SUN NOV 14 10P et/pt : http://channel.nationalgeog......
piehole19
favorited
-
3 months ago
Monarch Navigation
Great Migrations: Explorer: Science of Great Migrations : TUE NOV 9 10P et/pt: http://channel.nationalgeog......
piehole19
favorited
-
3 months ago
piehole19
liked
-
-
3 months ago
Butterfly Tracking Device
Great Migrations: Explorer: Science of Great Migrations : TUE NOV 9 10P et/pt: http://channel.nationalgeog......
piehole19
favorited
-
About piehole19's channel
more
less
• Gypsum does not usually change soil acidity, though occasional reports of both increasing and decreasing pH exist;
• Gypsum can increase leaching of aluminum, which can detoxify soils but also contaminates nearby watersheds;