Geology study and prospect of ecology agriculture in Ningxia

This paper demonstrates elements contents of soil in Ningxia and the high grade and yield of crops has closely relationship with the following soil chemical elements N,P,K,S,Fe,Mn,Cu,Zn,B,Mo,V,Sr,Ti,Mg,La,Ce,Pr,Nd,Sm,Eu,Y,Gd,Tb,Dy,Ho,Er,Tm,Yb,Lu,Ca,Co,Ni,F,Tl,Si,Na,Cr,Pb,Cd,Hg,Se,Ba,Te,Ta. The bring forward object, content, method, administration and prospect of ecology agriculture geology study.