According to the theory of nutrition, "nutrition" and "nutrient" are different concepts.
按照营养学理论“营养”和“营养素”是两个概念。
The technology of soil nutrient map digital mapping has very important significance on theory and application sides for soil nutrient management, digital agriculture and precision agriculture.
开展土壤养分图数字制图技术研究，对于土壤养分科学管理、数字农业、精确农业的实施都具有重要的理论意义和应用价值。
The concept about crop's effective nutrient area was made and using regressive theory, an experiment was conducted.
提出作物有效营养面积新概念，并用回归理论对此进行试验研究。
The nutrient balance method was mainly researched on maize fertilizer in the old researches, and most of them stay the level of theory and mechanism without concrete, timely and system research.
在以往的研究中，主要是以养分平衡方法来开展对玉米施肥方面的研究，并多停留在理论与机理上的探讨，缺乏具体性、时效性与系统性的研究，没有更多地将新技术、新方法应用到研究中去。
The nutrient and functional components in the flower of Robinia pseudoacacia were reviewed in the study, which offered definite theory for the further exploitation of the …
本文综述分析了刺槐花营养成分及其特殊功能成分，为刺槐花的进一步开发利用提供了一定的理论基础。
The nutrient and functional components in the flower of Robinia pseudoacacia were reviewed in the study, which offered definite theory for the further exploitation of the …
本文综述分析了刺槐花营养成分及其特殊功能成分，为刺槐花的进一步开发利用提供了一定的理论基础。
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