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Related Concept Videos

Hydrogen Bonds00:26

Hydrogen Bonds

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Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
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Hydrogen Bonds01:04

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A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
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The Calvin Benson Cycle01:46

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Ribulose 1,5- bisphosphate carboxylase/oxygenase (RuBisCo) is a critical enzyme that catalyzes carbon dioxide assimilation during photosynthesis. However, it is an inefficient enzyme, having an extremely slow catalytic rate. A typical enzyme can process about a thousand molecules per second; however, RuBisCo fixes only around three-carbon dioxides per second. Photosynthetic cells compensate for this slow rate by synthesizing very high amounts of RuBisCo, making it the most abundant single...
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Microorganisms in Agriculture and Food industry01:27

Microorganisms in Agriculture and Food industry

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Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
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Adaptations that Reduce Water Loss01:57

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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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Reduction of Alkenes: Catalytic Hydrogenation02:13

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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
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Hydrogen agronomy: research progress and prospects.

Yue-Qiao Wang1, Yu-Hao Liu1, Shu Wang1

  • 1College of Life Sciences, Laboratory Center of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China.

Journal of Zhejiang University. Science. B
|November 5, 2020
PubMed
Summary
This summary is machine-generated.

Hydrogen agronomy explores how hydrogen gas (H2) benefits agriculture, enhancing crop growth, stress tolerance, and quality. This field is crucial for developing sustainable "new agriculture" practices and ensuring food security.

Keywords:
Hydrogen gas (H2); Hydrogen agronomy; New agriculture

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Area of Science:

  • Agricultural Science
  • Biotechnology
  • Environmental Science

Background:

  • Modern agriculture faces challenges like population growth, climate change, and food safety.
  • New agriculture integrates interdisciplinary approaches for health, energy, food security, and biosafety.
  • Hydrogen agronomy investigates the biological effects of hydrogen gas (H2) in agriculture, building on its medical applications.

Purpose of the Study:

  • To review the history and recent progress in hydrogen agronomy.
  • To highlight the role of H2 in regulating plant and livestock growth and stress tolerance.
  • To discuss the potential of hydrogen agriculture as a key component of new agriculture.

Main Methods:

  • Literature review of existing research on H2 biological effects in agriculture.
  • Analysis of H2's role in modulating plant and microbial signaling pathways (ROS, NO, CO).
  • Examination of H2's impact on soil microbial communities and agricultural product quality.

Main Results:

  • H2 enhances crop growth, development, and stress tolerance in plants, fungi, and livestock.
  • H2 application improves nutritional value and postharvest quality of agricultural products.
  • H2 influences crop development by altering soil microbial community structure and function.

Conclusions:

  • Hydrogen agriculture is a promising and important direction within new agriculture.
  • The biological functions of H2 in agriculture are mediated by modulating key signaling molecules.
  • Future hydrogen agronomy research requires interdisciplinary collaboration and exploration in specialized environments.