Wheat expert system of fertilization decision-making is based on knowledge and experience of wheat experts and can help farmers to solving above problems.

详细论述了如何使用专家系统和知识库技术实现小麦施肥决策知识库和推理机，并对用户所提交数据的有效性验证进行了分析讨论。

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Ecological balanced fertilization is new fertilization system, which is considered from soil-environment-human. Based on the theory of its model and carried by ecological fertilizer.

生态平衡施肥以生态平衡施肥模型为理论基础，从土壤-环境-人类综合考虑出发，以生态型肥料为载体的新体系。

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Application of straw and chemical fertilizer could be regarded as a kind of nutrition-resources-saved fertilization system and could provide crop nutrition efficiently.

秸秆还田与氮磷配施可有效供应作物养分，是一种养分资源节约型的施肥制度。

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The defense acquisition system thus diminishes economies of scale and isolates military products from the mainstream of industrial innovation, largely precluding cross-fertilization between the defense and commercial sectors.

FORBES: How The Pentagon's Policies Hurt U.S. Manufacturing