《资治通鉴·唐纪·唐纪五十》
壬子，吐蕃侵犯灵州，毁去水口支流的渠道，破坏屯田。
壬子，吐蕃寇灵州，陷水口支渠，败营田。
On Renzi day, Tufan invaded Lingzhou, destroying the canals of the Shuikou tributary and devastating the military farms.
<s>[INST] Kindly elucidate the central themes in this passage in English: 壬子，吐蕃寇灵州，陷水口支渠，败营田。 [/INST] On Renzi day, Tufan invaded Lingzhou, destroying the canals of the Shuikou tributary and devastating the military farms.</s>
Kindly elucidate the central themes in this passage in English: 壬子，吐蕃寇灵州，陷水口支渠，败营田。
user
On Renzi day, Tufan invaded Lingzhou, destroying the canals of the Shuikou tributary and devastating the military farms.
assistant