They may contain any of the basic seed varieties or a combination of all three.

According to their website they sell "4,000 distinct seed varieties representing more than 20 species".

Often this depends on the individual seed variety and is closely linked to the ecological conditions of a plant's natural habitat.

The cooperative tests and adapts seed varieties to different regions.

In the 1960's it made a major contribution to the Green Revolution, which produced new seed varieties and agricultural technology.

In the first method, a seed variety is chosen and planted to produce only baby corn.

The seed varieties are in the market mainly during the globe's off-season.

Improved seed varieties have contributed significantly to improving crop yields.

As a result many seed varieties are facing extinction due to the lack of genetic diversity.

But the genetic purity of at least some traditional seed varieties has been compromised.