If the landscape were transformed by single crops over vast acreage?

Unused land had been cleared and planted in more of the single crop, cotton.

You probably have a variety that produces a single crop, in early summer.

They could also specialize in a single crop or handle a number of cultures.

It became the single most important crop in all of Mesoamerica.

It takes an average of 150-180 days for a single crop to be ready to harvest.

Regional variations in the rainfall lead to situations when some parts of the country do not have enough water even for raising a single crop.

Such reliance on a single crop makes the economy vulnerable to external factors.

These are not utilized when a large volume of a single crop or output is required.

For the most part, these are the farms that grow a single crop or raise large numbers of animals in close confinement.