开拓稀立农用的新路──天津稀土复肥工程发展侧记程建华含稀土复合肥料是继碳铵、尿素、氮磷钾复合肥料等之后涌现的化肥新品种。因为新，它的出现引起了农业部门及化肥生产企业的普遍关注；因为新，对它的工业生产价值和农业应用价值，还需要有一个认识的过程。正是在这... A New Way to Open up Sparsely-Agriculturally - ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Because of its newness, its emergence has drawn the general attention of the agricultural sector and fertilizer producers; because of its new, its industrial production value and agricultural application value, but also need to have a cognitive process. It is here ...