Agriculture is defined as the cultivation of soil for growing crops.

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

Rich soil yields good crops.

I till the earth.

Our farming has done the opposite.

Plants are nourished by earth.

African agriculture today is among, or is, the most under capitalized in the world.

The town had a vermiculite mine in it.

life creates conditions conducive to life.

Take this representation of all of the land.

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

I collect soil samples.

Farmers cultivate the soil.

For three hundred years they have farmed the surrounding land.

Should aluminum be in the soil and the rain?

which is going to cause air pollution, water pollution,

There isn't time to go into it, but it's including things like tree nurseries, methods of farming most suitable to this now very degraded, almost desert like land up in these mountains.

Worms are sometimes beneficial to soil.

The soil retained richness.

Plants take in water from the soil.

But what are the conditions that make it possible?

Water resources are running low.

I said, What can you build in this place?

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

The rain washed away the soil.

And these are not esoteric limits.

Farmers turn up the soil with plows.

That soil is rich in humus.

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

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

Abiotic stress is the drought.

curiosity without assumptions.

Nell is interested in agricultural processes, and her work is based in these practices.

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

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

And not only that, we've used our imagination to thoroughly trash this globe.

So there was always going to be a tension within that.

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

This is the first time I've ever plowed this land.

This is an analysis we've done, where on the left is where the crops are today, on the right is where they could be based on soils and climate, assuming climate change doesn't disrupt too much of this, which is not a good assumption.

We shall not bring back a single bit of gold or silver, and not a gem, nor any coal or iron.

So he moved back to the farm, and, long story short, they now have seven acres under cultivation.

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

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.

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.