Skip to main content

Table 1 Technical parameters of nano carbon and nano calcium carbonate

From: Nano fertilizer synergist effects on nitrogen utilization and related gene expression in wheat

 

Nano carbon

Nano calcium carbonate

Content(%)

99.9

99.9

Average particle size(nm)

40

20

Specific surface area(m2·g−1)

200

30–60

Particle shape

sphere

sphere

Appearance

black powder

white powder

Loose packing density(g·cm−3)

0.09

0.32