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The samples brought by Zhang and his colleagues to the company's lab for analysis showed poor soil nutrition.

SINGAPORE, May 6 (Xinhua) -- As the COVID-19 outbreak have continued to pose grave challenges to many parts of the world, China and Singapore have been working closely together in the battle against the deadly virus.

Han, who heads a leading group on deepening all-round reform and opening-up in south China's Hainan Province, made the remarks at a meeting of the group on Sunday in Haikou, capital city of Hainan.

It is also a concrete measure to encourage intraparty democracy, respect Party members' democratic rights and regulate the election of primary-level Party organizations.

Xi stressed that the United Nation's decision to set up the International Tea Day showed the international community's recognition of and emphasis on the value of tea, and the move is of great significance to revitalizing the tea industry and carrying forward tea culture.