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贵州中部黄壤旱地供氮能力及供氮动态的研究──Ⅰ．土壤供氮能力测定方法筛选及应用黎成厚，漆智平，唐树梅，刘元生（贵州农学院）氮素是植物营养三要素之首，不仅需要量大，而且对作物产量和品质的影响也最显著。长期以来，氮素一直是人们研究最活跃的领域。植物对氮的...
Study on Nitrogen Supply Ability and Nitrogen Supply Dynamics of Yellow Upland Field in the Central Part of Guizhou - Ⅰ. Nitrogen is the first of three elements of plant nutrition, which not only needs large amount, but also has the most significant impact on crop yield and quality. Nitrogen has long been the most active area of research in the world. Plant on nitrogen ...