OBJECTIVE
To study the absorption and accumulation of N, P and K in Ophiopgon japonicus.
METHODS
The contents of N, P, K and trace element were determined respectively by using the kjeldathl method digested with H2SO4 + H2O2, ammonium vanadstemolybdate chromoscopy, flame spectrometry and atomic
Ophiopogon japonicus is one of the commonly used medicines,and it has gradually become a therapeutic food for people's daily health care. O. japonicus in Sichuan province is the famous Dao-di herbs in Sichuan province,and is mainly produced in Santai county,Sichuan province. With the unique
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