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Related Concept Videos

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Nitrogen is an essential element in biological systems, forming a crucial component of proteins, nucleic acids, and other cellular constituents. Many bacteria and archaea acquire nitrogen in the form of nitrate (NO₃⁻) or ammonia (NH₃), which are then assimilated into biomolecules through specific enzymatic pathways.Assimilatory Nitrate ReductionWhen nitrate enters the cell, it undergoes a two-step reduction process known as assimilatory nitrate reduction. Initially, the enzyme...
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Nitrogen is a very important element for life because it is a major constituent of proteins and nucleic acids. It is a macronutrient, and in nature, it is recycled from organic compounds and stored in the form of  ammonia, ammonium ions, nitrate, nitrite, or  nitrogen gas by many metabolic processes. Many of these metabolic processes are carried out only by prokaryotes.
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Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
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Updated: Aug 17, 2025

Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis
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Toward improving nitrogen use efficiency in rice: Utilization, coordination, and availability.

Yongqiang Liu1, Bin Hu2, Chengcai Chu2

  • 1State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.

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This summary is machine-generated.

Improving nitrogen use efficiency (NUE) is crucial for sustainable agriculture. This review integrates agronomic and genetic strategies to enhance crop productivity while minimizing environmental impact from nitrogen fertilizer.

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Area of Science:

  • Agricultural Science
  • Agronomy
  • Plant Science

Background:

  • Nitrogen fertilizer is essential for crop productivity in intensive agriculture.
  • Overuse of nitrogen fertilizers leads to detrimental environmental effects.
  • Improving nitrogen use efficiency (NUE) is critical to meet global food demand sustainably.

Purpose of the Study:

  • To comprehensively review strategies for enhancing crop nitrogen use efficiency (NUE).
  • To expand the scope of NUE improvement beyond plant utilization to include resource coordination and soil availability.
  • To discuss the integration of agronomic practices and genetic improvement for NUE.

Main Methods:

  • Literature review synthesizing existing research on NUE.
  • Analysis of interdisciplinary approaches including agronomy and genetics.
  • Examination of N dynamics in soil and plant systems.

Main Results:

  • NUE improvement requires a holistic approach considering plant uptake, resource coordination, and soil nitrogen availability.
  • Both agronomic management and genetic advancements are vital for enhancing NUE.
  • Integrated strategies offer the most promising path towards sustainable agriculture.

Conclusions:

  • A multidisciplinary strategy integrating agronomic and genetic approaches is essential for significant improvements in NUE.
  • Optimizing nitrogen management is key to balancing crop productivity with environmental protection.
  • Future research should focus on synergistic integration of various NUE improvement techniques.