1、Synthesis of liquid nitrogenous fertilizer via a nitrogen conversion

Herein, we propose an absorption–electroreduction relay strategy that can use NO x in exhaust gas in the distributed, online production and direct use of NH 4 NO 3 liquid fertilizer.

2、Nitrogen fertilization and soil nitrogen cycling: Unraveling the links

These processes facilitate the conversion and recycling of various nitrogen compounds, including nitrogen (N 2), ammonium (NH 4+), nitrite (NO 2−), and nitrate (NO 3−).

3、Effect of Nitrogen Application and Microbial Fertilizer on Nitrogen

To reduce N leaching, it is imperative to regulate the process of N conversion. The amount of nitrogen applied is one of the main factors affecting the transformation of nitrogen by nitrogen fertilizers, which affects the rate and process of transformation in the soil.

4、Effect of Nitrogen Application and Microbial Fertilizer on Nitrogen

The results show the following: (i) When no microbial fertilizer was applied, an increased nitrogen application promoted nitrogen fertilizer’s ammonification and nitrification reactions.

Nitrification and Denitrification: Key Processes and Influences

Nitrification is a two-step process that converts ammonia into nitrate, a form of nitrogen that plants can absorb. It begins with the oxidation of ammonia to nitrite, primarily facilitated by ammonia-oxidizing bacteria (AOB) such as Nitrosomonas.

Nitrogen transformations from nitrogen fertilizers in soils of central

Changes in weather patterns in response to climate change may signifi cantly affect the effi ciency of fertilizer nitrogen in agriculture, and, consequently, entail undesirable environmental effects.

Drive soil nitrogen transformation and improve crop nitrogen absorption

Ammonifiers convert organic nitrogen into ammonia nitrogen, while nitrifiers oxidize this ammonia nitrogen into nitrate nitrogen, further augmenting inorganic nitrogen formation.

Effects of biochar on the transformation and utilization of nitrogen

We used four biochar application rates (0, 3750, 7500, and 11,250 kg·ha−1) and analyzed the effects of biochar on nitrogen fertilizer utilization, residue, and loss over three years using 15 N isotope tracer technology.

From Industry to Farm: The Production of Nitrogen Fertilizers

The production of nitrogen fertilizers is a sophisticated process that involves both industrial technology and agricultural application knowledge. This article will explore the production process of nitrogen fertilizers, its importance for global food security, and the environmental impacts associated with it.

A self

This study develops a self-sufficient system that can passively capture water and produce plant nutrients from the air through the integration of a fog-to-water converter and a spark-type...

The conversion process of nitrogen fertilizers is a complex chemical transformation involving the decomposition and recombination of nitrogen-containing compounds. This process typically occurs in soil when nitrogen fertilizers interact with microorganisms. Below is a detailed description of the conversion process:

1. Application of Nitrogen Fertilizers: Nitrogen fertilizers used in agriculture are compounds containing nitrogen elements, such as urea (NH₂CONH₂) and ammonium nitrate (NH₄NO₃). During application, these compounds decompose into ammonia (NH₃), oxygen (O₂), and water (H₂O).

2. Ammonia Generation: The nitrogen in fertilizers is released in the form of ammonia. Ammonia is an alkaline gas that dissolves in water to form an ammonium hydroxide solution.

3. Ammonia Volatilization: Ammonia, being highly volatile, escapes from the soil surface into the atmosphere. This volatilization impacts the environment by contributing to greenhouse gas emissions.

4. Ammonia Oxidation: Ammonia reacts with oxygen in the air to form nitrogen oxides (NOₓ), which are harmful to both the environment and human health.

5. Ammonia Absorption and Utilization: Soil microorganisms, such as bacteria and fungi, absorb ammonia and convert it into other nitrogen forms. These microorganisms transform ammonia into nitrate (NO₃⁻) and amino acids (AA), which serve as essential nitrogen sources for plant growth.

6. Nitrate Formation: Nitrate, a stable compound, is absorbed by plants for growth. In soil, nitrate can gradually break down through microbial activity into ammonia, oxygen, and water.

7. Re-Volatization of Ammonia: Due to microbial activity in the soil, ammonia re-enters the atmosphere through volatilization.

8. Recycling of Ammonia: Ammonia can also be reabsorbed by plant roots and returned to the soil.

9. Nitrogen Cycling: The cycling of nitrogen in soil is a continuous process that includes fertilizer application, microbial action, nitrogen absorption and utilization, and nitrogen volatilization and recycling. This process forms the foundation of the ecosystem’s nitrogen cycle, critical for maintaining the nitrogen balance of the biosphere.

the conversion of nitrogen fertilizers involves multiple steps and stages, including the decomposition of nitrogen compounds, ammonia generation, volatilization, oxidation, absorption and utilization, nitrate formation, re-volatization, and recycling. Microorganisms in the soil play a pivotal role in this process by breaking down organic matter and nitrogen compounds to provide nutrients for plants.