(IP (NP-SBJ (-NONE- *pro*))
(VP (ADVP (AD 现))
(ADVP (AD 已))
(VP (VE 有)
(NP-OBJ (QP (CD 三亿)
(CLP (M 亩)))
(CP (WHNP-2 (-NONE- *OP*))
(IP (NP-SBJ (-NONE- *T*-2))
(VP (ADVP (AD 严重))
(VP (VV 缺)
(NP-OBJ (NN 钾))))))
(NP (NN 农田))))))
ARG0: *T*-2
ARG1: 钾
ARGM-ADV: 严重
REL: 缺