More than 200 vegetable, orchard and grain growers learn techniques and skills from agriculture experts during an activity to bring science and technology to villages hosted by the Dandong municipal commission of rural affairs, Dandong science and technology bureau, and other governmental departments on Dec 24. Experts lectured on the use of biological fertilizers as well as the care and nutrition of nursery stock to help farmers enhance agricultural knowledge. The activity has been held for many years and is always welcomed by famers.