The rain washed away the soil.

I said, What can you build in this place?

The soil retained richness.

The town had a vermiculite mine in it.

But what are the conditions that make it possible?

Should aluminum be in the soil and the rain?

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

life creates conditions conducive to life.

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

Plants are nourished by earth.

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

Plants take in water from the soil.

I collect soil samples.

curiosity without assumptions.

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

which is going to cause air pollution, water pollution,

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.

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.

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

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

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

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

Rich soil yields good crops.

Worms are sometimes beneficial to soil.

Water resources are running low.

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

They can actually put this in their natural ecosystem without any processing, and it's going to improve the local soil.

And it talks about where the cotton was grown and the fertilizers that were used and the consequences for soil of that fertilizer.

Do they even take the very waste matter that we have from food and fiber and so forth, and turn it back into soil and sequester carbon take carbon out of the air in the process of using our cities?

Then, if we added maps like the geology, the bedrock geology, and the surface geology, what the glaciers leave, if we make the soil map, with the 17 soil classes, that are defined by the National Conservation Service, if we make a digital elevation model of the topography that tells us how high the hills were, then we can calculate the slopes.

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

A couple years ago there was severe flooding that led to thousands of deaths that's directly attributable to the fact that there are no trees on the hills to stabilize the soil.

And these are not esoteric limits.

He's th' head gardener, he is.

And we do a lot of work here.

That soil is rich in humus.

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

Now we know that desertification is caused by livestock, mostly cattle, sheep and goats, overgrazing the plants,

Our farming has done the opposite.

They began to understand that as the upper levels of the hills were denuded of trees, so you've got this terrible soil erosion and mudslides.

This was another site where it had been bare and eroding, and at the base of the marked small tree, we had lost over 30 centimeters of soil.

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

Where gardening is done all sorts of delightful things to eat are turned up with the soil.

But that we may not be delayed, you shall be digging the bait meanwhile.

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