To comprehensively reuse leaching residue from lead-zinc tailings,a novel silicon fertilizer(NSF)was produced using leac......

唐山市各县区长期种植水稻，逐渐表现出缺硅现象；群体植株高度下降，茎叶变软，叶片披垂，易感病，籽粒空秕率高，导致产量降低。水稻田灌溉水有......