【摘要】 介绍了微肥发展的历史和现状、微量营养元素的特点、性质 ,提出发展微肥和施肥必须坚持科学性、针对性和有效性的原则 ,才能促进作物增产增收 ,保护生态环境及微肥的健康发展更多还原

【Abstract】 Based on the development history and status of micro fertilizer ,and the characteristics and nature of micro nutrient elements, this article proposes that developing and applying micro fertilizer should be in accordance with principles of being scientific,directive and effective.Only through these will promote the increase of crops,protect ecological environment and the healthy development of micro fertilizer.更多还原