  The inclusive $\pi^0$ asymmetries were measured in reactions $p+p\uparrow \to
\pi^0+X$ and $\pi^-+p\uparrow \to \pi^0+X$ at 70 and 40 GeV/c respectively. The
measurements were made at the central region (for the first reaction) and
asymmetry is compatible with zero in the entire measured $p_T$ region. For the
second reaction the asymmetry is zero for small $x_F$ region ($-0.4<x_F<-0.1,
0.5<p_T(GeV/c) <1.5$) and increases with growth of $\mid x_F\mid$. Averaged
over the interval $-0.8<x_F<-0.4, 1<p_T(GeV/c)<2$ the asymmetry was $-(13.8\pm
3.8)%$.
