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Nitrogen, Volume 5, Issue 3

September 2024 - 18 articles

Cover Story: Soil-applied urea undergoes ammoniation and nitrification, converting into active forms of ammonium (NH4+) and nitrate (NO3-), which are then absorbed by crops. However, this process also leads to significant environmental losses. Our research reveals that incorporating a nitrification inhibitor (NI) and straw into the soil can help regulate the conversion of N from active pools to other N pools. This approach prevents the accumulation of mineral N in the soil and reduces fertilizer-N losses. While both measures reduced the activity of fertilizer-N in our study, they did not impact crops’ total N absorption, primarily due to the "added N interaction" (ANI) effect. The following abbreviations can be found in the figure: MFA, mineral fixed NH4+; MBN, microbial biomass N; and SON, soil organic N. View this paper
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Articles (18)

  • Review
  • Open Access
9 Citations
7,508 Views
31 Pages

Hemp (Cannabis salvia L.) Cultivation: Chemical Fertilizers or Organic Technologies, a Comprehensive Review

  • Fatemeh Ahmadi,
  • Daniel Kallinger,
  • August Starzinger and
  • Maximilian Lackner

18 July 2024

Hemp (Cannabis sativa L.), renowned for its applications in environmental, industrial, and medicinal fields, is critically evaluated in this comprehensive review focusing on the impacts of chemical and organic fertilizers on its cultivation. As hemp...

  • Article
  • Open Access
1 Citations
1,651 Views
14 Pages

10 July 2024

In this paper, the degradation of nitric oxide (NO) in an annular laboratory reactor is presented. Preliminary experiments were performed in an annular reactor (AR) under simulated solar irradiation. Titanium dioxide (TiO2 P25) was used as a photocat...

  • Article
  • Open Access
1 Citations
1,705 Views
12 Pages

Machine-Learning Approaches in N Estimations of Fig Cultivations Based on Satellite-Born Vegetation Indices

  • Karla Janeth Martínez-Macias,
  • Aldo Rafael Martínez-Sifuentes,
  • Selenne Yuridia Márquez-Guerrero,
  • Arturo Reyes-González,
  • Pablo Preciado-Rangel,
  • Pablo Yescas-Coronado and
  • Ramón Trucíos-Caciano

10 July 2024

Nitrogen is one of the most important macronutrients for crops, and, in conjunction with artificial intelligence algorithms, it is possible to estimate it with the aid of vegetation indices through remote sensing. Various indices were calculated and...

  • Article
  • Open Access
2 Citations
2,056 Views
14 Pages

Evaluating the Effects of Reduced N Application, a Nitrification Inhibitor, and Straw Incorporation on Fertilizer-N Fates in the Maize Growing Season: A Field 15N Tracer Study

  • Zhi Quan,
  • Shanlong Li,
  • Zhifeng Xun,
  • Chang Liu,
  • Dong Liu,
  • Yanzhi Wang,
  • Xinghan Zhao,
  • Ming Yang,
  • Caiyan Lu and
  • Xin Chen
  • + 1 author

5 July 2024

Reducing fertilizer-N rate, applying a nitrification inhibitor (NI), and incorporating straw are widely recommended to improve N use efficiency of crops and decrease N losses. A field 15N tracer study was conducted to compare their effectiveness on f...

  • Article
  • Open Access
2 Citations
1,524 Views
12 Pages

Spatiotemporal Dynamics of Carbon and Nitrogen in Subtropical Urban Streams (Santo André, SP, Brazil)

  • Marilena M. Luciano,
  • Rafaella M. T. Espeçoto,
  • Roseli F. Benassi,
  • Luís C. Schiesari,
  • Welber S. Smith,
  • Ângela T. Fushita and
  • Ricardo H. Taniwaki

2 July 2024

Urban sprawl poses a significant threat to urban stream water quality due to impermeabilization, reduced vegetation cover, and the release of diffuse pollutants. This study evaluates water quality in seven catchments in Santo André, SP, consid...

  • Article
  • Open Access
6 Citations
4,252 Views
19 Pages

Increasing Wheat Protein and Yield through Sulfur Fertilization and Its Relationship with Nitrogen

  • Gustavo A. Roa,
  • Eber Addí Quintana-Obregón,
  • Mariela González-Renteria and
  • Dorivar A. Ruiz Diaz

26 June 2024

Sulfur fertilization plays a crucial role in wheat (Triticum aestivum L.) production, influencing both protein concentration and grain yield. Wheat, being one of the most important food crops globally, requires efficient management of essential nutri...

  • Article
  • Open Access
4 Citations
3,256 Views
9 Pages

Economic Analysis of Azospirillum brasilense Inoculation Associated with Enhanced-Efficiency Nitrogen Fertilizers in Corn Production in the Brazilian Amazon

  • Leonardo José Damasceno,
  • Vinicius Masala Amaral,
  • Daiane de Cinque Mariano,
  • Raylon Pereira Maciel,
  • Cândido Ferreira de Oliveira Neto,
  • Antônio Augusto Nogueira Franco,
  • Ismael de Jesus Matos Viégas,
  • Augusto José Silva Pedroso,
  • Pedro Henrique Oliveira Simões and
  • Ricardo Shigueru Okumura

26 June 2024

The aim of this study was to economically estimate the effect of inoculation with Azospirillum brasilense (A. brasilense) associated with enhanced efficiency nitrogen fertilizers on corn yield cultivated in the Brazilian Amazon. The experimental desi...

  • Article
  • Open Access
1,834 Views
15 Pages

24 June 2024

Faidherbia albida can enhance the bio-physicochemical fertility of inherently infertile Arenosols. Changes in the soil ammonium (NH4+)-to-nitrate (NO3−) ratio have agricultural, environmental, and ecological implications. Thus, the present stud...

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Nitrogen - ISSN 2504-3129