Video Transcript. Hi everyone, Kevin Smith, TubaLove here, talking about different types of tubas. And when I say type, I'm talking specifically about the different types of keys that are available. This happens to be what's called a C tuba. They're also B flat tubas, and E flat, as well as F tubas.
Soil quality decline is one of the main causes of land degradation and is considered to be responsible for 84% of the ever diminishing acreage. Year after year, huge acres of land lost due to soil erosion, contamination and pollution.
Degradation is the depletion of minerals and nutrients from soil together with erosion. Make sure there is always something grâ¦owing on the area in question, plants are the best erosion control, then nutrients used by the crops grown need to be replaced regularly by fertilization.