The new varieties are low in production cost and highly resistant to insects.

The number of those vegetables reaches over tens of varieties, including greenhouse cucumber, greenhouse tomato and greenhouse cabbage.

In particular, the new variety of greenhouse cabbage can be cultivated in tiers even at low temperature.

The institute has also devised a new method of producing 300 tons of vegetables per hectare.

Meanwhile, it has made successes in putting the method of cultivating those vegetables on a scientific basis.