More needs to be learned about the extent of deforestation and soil depletion.

He constantly took measures to prevent washes and soil depletion on his land.

Soil depletion is also a negative effect of mono-cropping.

For the South, soil depletion made expansion necessary and secession a “rational act.”

Such activities promote access to land. At the same time, they provide farmers with techniques to combat erosion and soil depletion.

Intensive agriculture and mining have contributed to soil depletion.

A. Partly that, and also the technology has changed along with soil depletion and the use of fertilizers.

This in turn has led to soil erosion, soil depletion, and increased risk of flooding.

They went into dairy farming, hoping to avoid problems such as soil depletion that can come with growing a single cash crop.

Due to soil depletion and declining rainfall, yields are declining.

Roman agricultural practices may have contributed to soil depletion throughout the Roman world.

The increasing population density in rural Africa, with its intensification of farming, is leading to massive soil depletion.

So it seems that the major factor affecting food production was climate and not neccessarily overpopulation or soil depletion.

It was not soil depletion that drove southern farmers westward, but the economic incentive to cultivate more cotton.

When severe enough, soil depletion affects productivity.

Farmers use a variety of soil conservation practices to address the problem of soil depletion.

Agricultural production was unable to meet foreign demand for various reasons: poor harvests, outmoded methods and soil depletion.

This reduced the soil depletion characteristic of tobacco production, and allowed for the practice of crop rotation.

Marx thus linked the crisis of pollution in cities with the crisis of soil depletion.

Soil depletion and economic stagnation had left many local planters with more field hands than they needed – as well as chronically short of cash.

That means rising demand for food, firewood and timber, hence more deforestation, soil depletion and erosion.

Meanwhile, explosive population growth and soil depletion are driving once-self-sufficient farmers into urban mega-slums, which offer little hope of housing, education or employment.

Increased nutrient immobilization in trees did not cause any significant soil depletion of available base cations or total N at any site.

The village prospered well until the middle of the 19th century when natural disasters (drought, fire, hailstones) and resultant soil depletion caused an economic crisis.

In addition, the country’s workforce is largely concentrated in subsistence agriculture, even though the country faces serious concerns about overgrazing and soil depletion.