To change the community you have to change the composition of the soil.

I collect soil samples.

Plants are nourished by earth.

which is going to cause air pollution, water pollution,

Plants take in water from the soil.

The town had a vermiculite mine in it.

Should aluminum be in the soil and the rain?

The soil retained richness.

But what are the conditions that make it possible?

You can't get a tree to grow on bad soil.

It's kind of hard to explain. I guess it's in the loam of the soil.

We are after all organic creatures, and the culture of the school is absolutely essential.

Worms are sometimes beneficial to soil.

Water resources are running low.

I said, What can you build in this place?

That soil is rich in humus.

And this is the concept for the top of the city.

In order to get the soil ready for planting you must plow it.

The rain washed away the soil.

And these are not esoteric limits.

curiosity without assumptions.

He threw mud at me and made me dirty.

Large scale use of pesticides and fertilizers raised concerns of soil pollution.

She gets the women to plant new trees and water them, drop by drop.

His hands were covered with mud.

He was covered with mud.

And we do a lot of work here.

Just look at your shoes!

They're good for the environment because they enable no till farming, which leaves the soil in place, getting healthier from year to year slso keeps less carbon dioxide going from the soil into the atmosphere.

Rich soil yields good crops.

Abiotic stress is the drought.

Fertile soil is indispensable for a good harvest.

Tom's boots were muddy.

Some of it ran off as flooding, but most of the water that soaked into the soil simply evaporated out again, exactly as it does in your garden if you leave the soil uncovered.

Once or twice a year I'd go an' work at 'em a bit prune 'em an' dig about th' roots.

So we would take the landscape and we would build up the topography.

But what a difference.

The mycelium infuses all landscapes, it holds soils together, it's extremely tenacious.

Nothing seems to grow in this soil.

We have a massive ozone hole in the Northern hemisphere now.

Our farming has done the opposite.

Another important point of these sand banks is that when it rains, the rainwater soaks down into the soil.

Now, all of that grass you see aboveground has to decay biologically before the next growing season, and if it doesn't, the grassland and the soil begin to die.

life creates conditions conducive to life.

You got dirt all over you.