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作物专用肥是80年代后期,随着化肥网试验任务的完成,推出的一项科研成果。这项技术的实质是将氮磷钾单质肥料按一定配比通过物理加工而成的一种复混肥料(有的专用肥还增加了微量元素)。这在当时我国施
Special crop fertilizer is the late 80s, with the completion of the task of testing fertilizer network, launched a scientific research. The essence of this technology is a kind of compound fertilizer (some special fertilizer also adds trace elements) which is made by physical processing of NPK elemental fertilizer according to a certain ratio. This was at our time Shi