Oh, fertilizers and pesticides? Yes.

It is cheaper than chemical fertilizers.

I used chemical fertilizers and large machines.

And then, well no chemicals, herbicides, and fertilizers?

No fertilizers, because the soil has become rich.

It brought us power. It brought us mechanization, fertilizers.

Worms convert organic waste and other compostable products into natural fertilizers.

Fertilizers have more than doubled the phosphorus and nitrogen in the environment.

Fertilizers are thought to be always necessary, but we don't need them.

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

And what is important is we don't bring in any kind of fertilizers.

It ties in with small scale farmers in terms of no pesticides, no fertilizers.

Mr. Kawaguchi, your Natural Farming, without chemicals and fertilizers without opposing weeds and bugs,

And third, while they're in this paddock they are, of course, defecating madly and their very nitrogenous manure is fertilizing this field.

He buys fertilizers, which dries up the mosaic stock, and or he could purchase genetically modified seeds from Monsanto.

Conventional farmers use chemical fertilizers made from fossil fuels that they mix with the dirt to make plants grow.

And for the nutrients, chemical fertilizers... and at the moment most of the farmers' fertilizer is derived from natural gas.

We've doubled the flows of nitrogen and phosphorus around the world simply by using fertilizers, causing huge problems of water quality from rivers,

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

Well, as a background, I had been using chemical fertilizers and pesticides and plowing my paddies with machines, and I wanted to get away from them.

And, again, this is, sort of, my notion of shit against the wall pharmacology you know certain fertilizers make the plant more healthy so you put more in.

In this condition, bringing in fertilizers from outside would lead to over nutrition and become vulnerable to pests and diseases, that weak kinds of rice plants, they would be.

And fertilizers and pesticides are flowing into the bay from the golf course the pesticides killing all the larvae and little animals, fertilizer creating this beautiful plankton bloom and there's your pea soup.

Understanding how to produce protein in a way that's healthy for the environment and healthy for people will be incredibly important to address things like climate change and how we use petrochemical fertilizers.

This kind of market risk is mind boggling, and has direct implications for not only the incentives of farmers to invest in higher productivity technology, such as modern seeds and fertilizers, but also direct implications for food security.

If you look at carbon dioxide from burning tropical rainforest, or methane coming from cows and rice, or nitrous oxide from too many fertilizers, it turns out agriculture is 30 percent of the greenhouse gases going into the atmosphere from human activity.