Cotton is a perennial crop in the tropics, and without defoliation or freezing, the plant will continue to grow.

Current perennial crops and agroforestry systems do not produce grain.

This method of control is principally limited to geographical or ecological islands and perennial crops.

However, only an estimated 13 percent of the total land area is under annual or perennial crops.

This plant is propagated by cuttings and is a perennial crop.

Most of the tropical annual, perennial and plantation crops are grown in these farms.

Other perennial crops are grown in 1500 ha.

Tea is one of the perennial crops that many small scale farmers depend on.

Land under annual or perennial crops constitutes only 3.5 percent of the total land area.

Courtyard gardens are cultivated with perennial crops, usually on more fertile soils.