Present there were officials, scientists, researchers, technicians, teachers and postgraduate students from scientific and educational institutions and agricultural production units.

The exhibition and presentation is divided into six panels, including agricultural crop seeds cultivation, plant protection and stock-raising work.

Presented to it were more than 100 sci-tech achievements conducive to putting the agricultural production on a scientific and modern basis.

On display were more than 500 exhibits of 190-odd kinds, including new species of grain and various fertilizers and agricultural chemicals produced on the basis of Nano technology.

The exhibition and presentation will last until December 8.