You are currently on the new version of our website. Access the old version .

2,784 Results Found

  • Review
  • Open Access
15 Citations
3,599 Views
12 Pages

21 July 2023

Nitrogen (N) is a crucial nutrient that plays a significant role in enhancing crop yield. Its availability, including both supply and deficiency, serves as a crucial signal for plant development. However, excessive N use in agriculture leads to envir...

  • Review
  • Open Access
107 Citations
19,328 Views
18 Pages

Regulation of Symbiotic Nitrogen Fixation in Legume Root Nodules

  • Andrés R. Schwember,
  • Joachim Schulze,
  • Alejandro del Pozo and
  • Ricardo A. Cabeza

6 September 2019

In most legume nodules, the di-nitrogen (N2)-fixing rhizobia are present as organelle-like structures inside their root host cells. Many processes operate and interact within the symbiotic relationship between plants and nodules, including nitrogen (...

  • Feature Paper
  • Review
  • Open Access
11 Citations
3,718 Views
14 Pages

1 January 2023

Tea brewed from leaves of Camellia sinensis (L.) is one of the most popular worldwide non-alcoholic beverages, and nitrogen is an essential nutrient that affects the growth and development of the tea plant. Inorganic nitrogen and organic nitrogen are...

  • Article
  • Open Access
9 Citations
2,641 Views
22 Pages

Appropriate Water and Nitrogen Regulation Improves the Production of Wolfberry (Lycium barbarum L.)

  • Yalin Gao,
  • Jinghai Wang,
  • Yanlin Ma,
  • Minhua Yin,
  • Qiong Jia,
  • Rongrong Tian,
  • Yanxia Kang,
  • Guangping Qi,
  • Chen Wang and
  • Yuanbo Jiang
  • + 1 author

18 March 2024

Wolfberry (Lycium barbarum L.) production in arid and semi-arid areas is drastically affected by the low utilization rate of soil and water resources and the irrational application of water and nitrogen fertilizers. Thus, this study explored a high-y...

  • Article
  • Open Access
6 Citations
2,052 Views
23 Pages

Water and Nitrogen Balance under Various Water and Fertilizer Regulation Modes

  • Wenbing Luo,
  • Yalong Li,
  • Zirong Yang,
  • Yan Wang,
  • Jialong Chen,
  • Xin Xiao,
  • Yanfei Chen,
  • Chenchen Wei and
  • Zhike Zou

22 November 2023

A experiment was conducted at the Jiangxi Province Center Station of Irrigation Experiment from 2019 to 2021 to study the water and nitrogen balance under water and fertilizer regulation modes. The study aimed to propose a recommended mode for paddy...

  • Article
  • Open Access
771 Views
19 Pages

2 October 2025

The Yellow River (YR) has the highest suspended sediment concentration in the world, with its water and sediment exerting a significant influence on nutrient transport and transformation processes. The periodic regulation of water and sediment by the...

  • Article
  • Open Access
3 Citations
1,564 Views
16 Pages

Effects of Water and Nitrogen Regulation on Soil Environment and Crop Growth in a Lycium barbarum||Alfalfa System

  • Yanlin Ma,
  • Wenjing Yu,
  • Wenjing Chang,
  • Yayu Wang,
  • Minhua Yin,
  • Yanxia Kang,
  • Guangping Qi,
  • Jinghai Wang,
  • Yuping Zhao and
  • Jinwen Wang

29 November 2024

The increasing scarcity of water and soil resources, combined with inefficient water and fertilizer management, poses significant challenges to agriculture in arid regions. This study aimed to determine an optimal water and nitrogen regulation model...

  • Article
  • Open Access
16 Citations
3,825 Views
15 Pages

14 August 2019

Reservoirs are an important nitrogen sink as a result of their retention effect, but their retention performance may vary with hydrologic conditions with time-varying characteristics, which also change them from being a sink to source over time. This...

  • Article
  • Open Access
4 Citations
2,781 Views
17 Pages

Appropriate Water-Nitrogen Regulation Mode to Improve Productivity of Mixed-Sowing Grassland of Bromus inermis and Alfalfa

  • Yanxia Kang,
  • Guangping Qi,
  • Qiong Jia,
  • Aixia Wang,
  • Minhua Yin,
  • Yanlin Ma,
  • Jinghai Wang,
  • Yuanbo Jiang and
  • Zhongxia Tang

15 March 2023

Scientific selection of appropriate herbage planting management mode is an important guarantee to promote artificial grassland development and grassland productivity. In this study, three-year-old alfalfa (Medicago sativa L.) and bromus inermis were...

  • Article
  • Open Access
7 Citations
2,273 Views
17 Pages

25 July 2023

Due to the problems of relatively fragile stability, the quality of soil in the drip-irrigated agricultural ecosystem has high spatial heterogeneity and experiences significant degradation. We conducted a two-year field plot study (2021–2022) i...

  • Article
  • Open Access
21 Citations
4,711 Views
18 Pages

19 January 2023

Potatoes require water and fertilizer management systems to optimize economic outcomes and fertilizer use, especially in arid areas such as Ningxia, China. In this study, three irrigation quotas (1200 (W1), 1650 (W2), and 2100 (W3) m3/hm2) and three...

  • Communication
  • Open Access
25 Citations
5,561 Views
11 Pages

25 September 2017

Using p-phenylene diamine (PPD) as a modifier and nitrogen resource, nitrogen-doping reduced graphene oxide was prepared by one-step refluxing method. The influence of PPD-GO (graphene oxide) mass ratio X on surface functional groups, layer structure...

  • Article
  • Open Access
1 Citations
884 Views
33 Pages

17 October 2025

Increasing planting density is an effective strategy for enhancing maize (Zea mays L.) yield. However, high density often inhibits plant growth and dry matter accumulation. Synergistic nitrogen management and chemical regulation offer an effective ap...

  • Article
  • Open Access
573 Views
18 Pages

Effects of River Migration and Water-Sediment Regulation Scheme on Total Nitrogen Transport in the Yellow River Estuary

  • Chang Li,
  • Zhili Wang,
  • Yongjun Lu,
  • Lingling Zhu,
  • Bingjiang Dong and
  • Xianglong Wei

15 October 2025

River migration and anthropogenic controls on hydrological processes may play important roles in estuarine system transformations and nutrient diffusion. We used a two-dimensional shallow water equation hydrodynamic water quality model to simulate to...

  • Article
  • Open Access
272 Views
19 Pages

12 December 2025

Northern japonica rice holds a significant position in China’s food security. However, the traditional nitrogen fertilizer management model (nitrogen application rate > 225 kg/ha, base fertilizer proportion > 50%) has led to serious susta...

  • Article
  • Open Access
18 Citations
4,299 Views
21 Pages

New Insights into the Transcriptional Regulation of Genes Involved in the Nitrogen Use Efficiency under Potassium Chlorate in Rice (Oryza sativa L.)

  • Nkulu Rolly Kabange,
  • So-Yeon Park,
  • Ji-Yun Lee,
  • Dongjin Shin,
  • So-Myeong Lee,
  • Youngho Kwon,
  • Jin-Kyung Cha,
  • Jun-Hyeon Cho,
  • Dang Van Duyen and
  • Jong-Min Ko
  • + 1 author

22 February 2021

Potassium chlorate (KClO3) has been widely used to evaluate the divergence in nitrogen use efficiency (NUE) between indica and japonica rice subspecies. This study investigated the transcriptional regulation of major genes involved in the NUE in rice...

  • Article
  • Open Access
6 Citations
2,918 Views
20 Pages

Effects of Water and Nitrogen Regulation on Apple Tree Growth, Yield, Quality, and Their Water and Nitrogen Utilization Efficiency

  • Xingqiang Li,
  • Siqi Li,
  • Xiaolin Qiang,
  • Zhao Yu,
  • Zhaojun Sun,
  • Rong Wang,
  • Jun He,
  • Lei Han and
  • Qian Li

28 August 2024

Apple tree productivity is influenced by the quantity of water and nutrients that are supplied during planting. To enhance resource utilization efficiency and optimize yields, a suitable strategy for supplying water and nitrogen must be established....

  • Article
  • Open Access
3 Citations
1,963 Views
13 Pages

9 February 2024

Nitrogen (N) application significantly increases tiller numbers and is accompanied by changes in endogenous hormone content. We treated seedlings of Festuca kirilowii—a perennial forage grass—with nitrogen, determined the endogenous hormo...

  • Article
  • Open Access
21 Citations
4,889 Views
16 Pages

Integrated Proteomics and Metabolomics Analysis of Nitrogen System Regulation on Soybean Plant Nodulation and Nitrogen Fixation

  • Xiaochen Lyu,
  • Chunyan Sun,
  • Jin Zhang,
  • Chang Wang,
  • Shuhong Zhao,
  • Chunmei Ma,
  • Sha Li,
  • Hongyu Li,
  • Zhenping Gong and
  • Chao Yan

25 February 2022

The specific mechanisms by which nitrogen affects nodulation and nitrogen fixation in leguminous crops are still unclear. To study the relationship between nitrogen, nodulation and nitrogen fixation in soybeans, dual-root soybean plants with unilater...

  • Article
  • Open Access
116 Citations
10,100 Views
17 Pages

An Integrated Analysis of the Rice Transcriptome and Metabolome Reveals Differential Regulation of Carbon and Nitrogen Metabolism in Response to Nitrogen Availability

  • Wei Xin,
  • Lina Zhang,
  • Wenzhong Zhang,
  • Jiping Gao,
  • Jun Yi,
  • Xiaoxi Zhen,
  • Ziang Li,
  • Ying Zhao,
  • Chengcheng Peng and
  • Chen Zhao

Nitrogen (N) is an extremely important macronutrient for plant growth and development. It is the main limiting factor in most agricultural production. However, it is well known that the nitrogen use efficiency (NUE) of rice gradually decreases with t...

  • Article
  • Open Access
23 Citations
2,739 Views
21 Pages

10 June 2022

Salt stress inhibited the growth of maize. B46 and NC236 were chosen as materials and NaCl concentrations (0, 55, 110, 165, and 220 mmol L−1) were set. We found the activities of SOD, POD, CAT, APX, GR, MDHAR, and DHAR decreased under NaCl stre...

  • Article
  • Open Access
4 Citations
1,729 Views
23 Pages

Transcriptome Analysis Identified PyNAC42 as a Positive Regulator of Anthocyanin Biosynthesis Induced by Nitrogen Deficiency in Pear (Pyrus spp.)

  • Jianhui Zhang,
  • Bobo Song,
  • Guosong Chen,
  • Guangyan Yang,
  • Meiling Ming,
  • Shiqiang Zhang,
  • Zhaolong Xue,
  • Chenhui Han,
  • Jiaming Li and
  • Jun Wu

Anthocyanins are important secondary metabolites in plants, which contribute to fruit color and nutritional value. Anthocyanins can be regulated by environmental factors such as light, low temperature, water conditions, and nutrition limitations. Nit...

  • Article
  • Open Access
46 Citations
5,469 Views
21 Pages

The Role of Gibberellins in Regulation of Nitrogen Uptake and Physiological Traits in Maize Responding to Nitrogen Availability

  • Yubin Wang,
  • Qingqing Yao,
  • Yushi Zhang,
  • Yuexia Zhang,
  • Jiapeng Xing,
  • Benzhou Yang,
  • Guohua Mi,
  • Zhaohu Li and
  • Mingcai Zhang

Modified gibberellin (GA) signaling leads to semi-dwarfism with low nitrogen (N) use efficiency (NUE) in crops. An understanding of GA-mediated N uptake is essential for the development of crops with improved NUE. The function of GA in modulating N u...

  • Review
  • Open Access
45 Citations
6,014 Views
15 Pages

20 August 2019

Cereals and, especially, rice, maize, and wheat, are essential commodities, on which human nutrition is based. Expanding population and food demand have required higher production which has been achieved by increasing fertilization, and especially ni...

  • Review
  • Open Access
14 Citations
4,115 Views
14 Pages

25 September 2023

Rapeseed (Brassica napus L.) is one of the most important oil crops in China. Improving the oil production of rapeseed is an important way to ensure the safety of edible oil in China. Oil production is an important index that reflects the quality of...

  • Article
  • Open Access
6 Citations
3,867 Views
8 Pages

The need for effective nutrient management is crucial for optimizing wheat production and increasing the plant’s ability to tolerate different environmental stresses. In this study, we assessed the influence of new-generation PGRs and foliar to...

  • Article
  • Open Access
1,403 Views
18 Pages

30 July 2024

To address water scarcity and soil damage in the Hexi Oasis irrigation area of China, a study was conducted on regulating water and nitrogen levels for soybean growth under film drip irrigation over two growing seasons (2020 and 2021). Two irrigation...

  • Article
  • Open Access
21 Citations
4,100 Views
17 Pages

The mitogen-activated protein kinase (MAPK) signaling cascade is a widely existing signal transduction system in eukaryotes, and plays an important role in the signal transduction processes of plant cells in response to environmental stress. In this...

  • Article
  • Open Access
45 Citations
5,088 Views
23 Pages

11 August 2020

The indiscriminate use of nitrogenous fertilizers continues unabated for commercial crop production, resulting in air and water pollution. The development of rice varieties with enhanced nitrogen use efficiency (NUE) will require a thorough understan...

  • Article
  • Open Access
182 Views
23 Pages

Synergistic Regulation of Bile Acid-Driven Nitrogen Metabolism by Swollenin in Ruminants: A Microbiota-Targeted Strategy to Improve Nitrogen Use Efficiency

  • Lizhi Li,
  • Haibo Zhang,
  • Linfei Zhan,
  • Weikun Guan,
  • Junhao Hu,
  • Zi Wei,
  • Wenbo Wu,
  • Yunjing Wu,
  • Qingfeng Xing and
  • Jianzhong Wu
  • + 9 authors

5 January 2026

The annual nitrogen loss from the livestock production sector poses a significant threat to the global natural environment. Therefore, it is urgent to focus on improving the nutrient utilization efficiency of ruminants and promoting the sustainable d...

  • Article
  • Open Access
33 Citations
4,998 Views
18 Pages

Regulation of Morphology, Aflatoxin Production, and Virulence of Aspergillus flavus by the Major Nitrogen Regulatory Gene areA

  • Opemipo Esther Fasoyin,
  • Kunlong Yang,
  • Mengguang Qiu,
  • Bin Wang,
  • Sen Wang and
  • Shihua Wang

10 December 2019

Aspergillus flavus is a renowned plant, animal and human pathogen. areA is a global nitrogen regulatory gene of the GATA transcription factor family, shown to be the major nitrogen regulator. In this study, we identified areA in A. flavus and studied...

  • Article
  • Open Access
1,212 Views
16 Pages

19 May 2025

Appropriate nitrogen is required and important in grain yield formation of crops. To elucidate nitrogen regulation of seed yield and quality of rapeseed (Brassica napus L.), field trials were consecutively conducted in two years with three nitrogen l...

  • Article
  • Open Access
23 Citations
5,185 Views
15 Pages

Regulation of Phosphorus Supply on Nodulation and Nitrogen Fixation in Soybean Plants with Dual-Root Systems

  • Hongyu Li,
  • Xiangxiang Wang,
  • Quanxi Liang,
  • Xiaochen Lyu,
  • Sha Li,
  • Zhenping Gong,
  • Shoukun Dong,
  • Chao Yan and
  • Chunmei Ma

20 November 2021

Phosphorus (P) is an important nutrient affecting nodulation and nitrogen fixation in soybeans. To further investigate the relationship of phosphorus with soybean nodulation and nitrogen fixation, the seedling grafting technique was applied in this s...

  • Article
  • Open Access
7 Citations
2,387 Views
29 Pages

Network Analysis of Metabolome and Transcriptome Revealed Regulation of Different Nitrogen Concentrations on Hybrid Poplar Cambium Development

  • Shuang Zhang,
  • Lina Cao,
  • Ruhui Chang,
  • Heng Zhang,
  • Jiajie Yu,
  • Chunming Li,
  • Guanjun Liu,
  • Junxin Yan and
  • Zhiru Xu

13 January 2024

Secondary development is a key biological characteristic of woody plants and the basis of wood formation. Exogenous nitrogen can affect the secondary growth of poplar, and some regulatory mechanisms have been found in the secondary xylem. However, th...

  • Article
  • Open Access
63 Citations
6,672 Views
15 Pages

An Integrated Analysis of the Rice Transcriptome and Metabolome Reveals Root Growth Regulation Mechanisms in Response to Nitrogen Availability

  • Wei Xin,
  • Lina Zhang,
  • Wenzhong Zhang,
  • Jiping Gao,
  • Jun Yi,
  • Xiaoxi Zhen,
  • Ming Du,
  • Yanze Zhao and
  • Liqiang Chen

24 November 2019

Nitrogen is an essential nutrient for plant growth and basic metabolic processes. Root systems play an important role in the ability of plants to obtain nutrients from the soil, and are closely related to the growth and development of above-ground pl...

  • Article
  • Open Access
93 Views
15 Pages

Nitrogen (N) fertilizers can promote soybean growth, nodulation, and nitrogen fixation to a certain extent. However, excessive nitrogen application inhibits the nitrogen fixation capacity of soybean nodules. In this study, three experimental material...

  • Article
  • Open Access
119 Views
17 Pages

6 January 2026

Water scarcity and poor soil fertility are major limiting factors constraining agricultural production in the arid and semi-arid regions of Northwest China. Water–nitrogen synergistic regulation is an important approach to improving crop growth...

  • Article
  • Open Access
11 Citations
3,628 Views
15 Pages

23 September 2020

Microbes, as important regulators of ecosystem processes, play essential roles in ecosystem recovery after disturbances. However, it is not clear how soil microbial communities and functions change and affect forest recovery after clear-cutting. Here...

  • Article
  • Open Access
545 Views
22 Pages

Regulation Mechanisms of Water and Nitrogen Coupling on the Root-Zone Microenvironment and Yield in Drip-Irrigated Goji Berries

  • Zhenghu Ma,
  • Maosong Tang,
  • Qiuping Fu,
  • Pengrui Ai,
  • Tong Heng,
  • Fengxiu Li,
  • Pingan Jiang and
  • Yingjie Ma

27 October 2025

The low water and fertiliser utilisation efficiency and soil quality degradation caused by high water and fertiliser inputs are the primary challenges facing goji berry cultivation in arid regions. A two-year field experiment was conducted from 2021...

  • Article
  • Open Access
4 Citations
2,794 Views
15 Pages

Klebsiella sp. TN-10, a heterotrophic nitrifying bacterium, showed excellent nitrification ability under nitrogen stress. The strain was cultured under different nitrogen stress levels, including ammonium sulfate 0.5, 2.5, and 5 g/L, and samples were...

  • Article
  • Open Access
482 Views
18 Pages

15 November 2025

Microalgae of the genus Nannochloropsis are known for their ability to accumulate large amounts of lipids, particularly triacylglycerides (TAGs), when exposed to nitrogen-limiting conditions. This trait makes them promising candidates for biofuel pro...

  • Article
  • Open Access
27 Citations
4,861 Views
23 Pages

Distinct Carbon and Nitrogen Metabolism of Two Contrasting Poplar Species in Response to Different N Supply Levels

  • Sen Meng,
  • Shu Wang,
  • Jine Quan,
  • Wanlong Su,
  • Conglong Lian,
  • Dongli Wang,
  • Xinli Xia and
  • Weilun Yin

Poplars have evolved various strategies to optimize acclimation responses to environmental conditions. However, how poplars balance growth and nitrogen deficiency remains to be elucidated. In the present study, changes in root development, carbon and...

  • Article
  • Open Access
12 Citations
3,376 Views
14 Pages

Area Gene Regulates the Synthesis of β-Glucan with Antioxidant Activity in the Aureobasidium pullulans

  • Kai Zhang,
  • Wei Zhou,
  • Wan Wang,
  • Shanshan Zhao,
  • Congyu Lin,
  • Xin Ru,
  • Jiaqi Guan,
  • Hua Cong and
  • Qian Yang

3 February 2023

The ability of the fungus to regulate metabolism on various nitrogen sources makes it survive and metabolize in different environments. The biomass and the β-glucan yield of Aureobasidium pullulans are closely associated with the nitrogen source...

  • Feature Paper
  • Article
  • Open Access
247 Views
20 Pages

16 December 2025

Ecological stoichiometry offers critical insights into nutrient dynamics and soil–plant interactions in agroecosystems. To explore the effects of long-term fertilization on soil–cotton C, N, P stoichiometry and stoichiometric homeostasis...

  • Article
  • Open Access
6 Citations
2,082 Views
25 Pages

27 December 2024

Effective water and nitrogen management plays a pivotal role in enhancing crop yields while simultaneously reducing greenhouse gas emissions. This study differs from previous research by investigating the effects of water–nitrogen co-regulation...

  • Article
  • Open Access
13 Citations
4,450 Views
18 Pages

Genome-Wide Identification, Characterization, and Regulation of RWP-RK Gene Family in the Nitrogen-Fixing Clade

  • Zhihua Wu,
  • Hong Liu,
  • Wen Huang,
  • Lisha Yi,
  • Erdai Qin,
  • Tiange Yang,
  • Jing Wang and
  • Rui Qin

11 September 2020

RWP-RK is a plant-specific family of transcription factors, involved in nitrate response, gametogenesis, and nodulation. However, genome-wide characterization, phylogeny, and the regulation of RWP-RK genes in the nodulating and non-nodulating plant s...

  • Article
  • Open Access
62 Citations
11,239 Views
20 Pages

21 September 2012

The isolation and characterization of the lycopene ε-cyclase gene from the green microalga Chlorella (Chromochloris) zofingiensis (Czlcy-e) was performed. This gene is involved in the formation of the carotenoids α-carotene and lutein. Czlcy-e gene e...

  • Article
  • Open Access
10 Citations
2,811 Views
14 Pages

Towards the Elucidation of Assimilative nasABC Operon Transcriptional Regulation in Haloferax mediterranei

  • Sandra Pastor-Soler,
  • Mónica Camacho,
  • Vanesa Bautista,
  • María-José Bonete and
  • Julia Esclapez

22 April 2021

The assimilatory pathway of the nitrogen cycle in the haloarchaeon Haloferax mediterranei has been well described and characterized in previous studies. However, the regulatory mechanisms involved in the gene expression of this pathway remain unknown...

  • Article
  • Open Access
389 Views
27 Pages

19 December 2025

Water and nitrogen are the key factors restricting the productivity improvement of onion in the Hexi Oasis. Unreasonable water and fertilizer management not only increases input costs, but also causes environmental pollution of farmland soil, thereby...

  • Article
  • Open Access
6 Citations
2,305 Views
26 Pages

17 November 2023

Improving nitrogen (N) assimilation efficiency without yield penalties is important to sustainable food security. The chemical regulation approach of N assimilation efficiency is still less explored. We previously found that the co-application of bra...

of 56