żyzność gleby

But the growth of the cotton industry is bad news for soil fertility and the water table.

"The main problems in Africa have to do with soil fertility," he said.

Further soil fertility and seed weight have to be taken into account.

"And knowledge isn't limited in the way that, say, soil fertility is."

This may result in water pollution, but is the best way to restore soil fertility.

This has reduced soil fertility and increased the need for fertilizer.

As chemistry developed, it was applied to the investigation of soil fertility.

The nutritional content depends on season, growth stage and soil fertility.

This leads to a reduction in soil fertility and productivity.

If the challenge is about future soil fertility and human health, we can develop a system based on nutrient recycling.