Nitrogen and phosphorus trajectories (1998–2030) under regional development strategy of mainland China

Zheng, Li; Jing, Xuekai; Zhang, Qingwen; Zhan, Xi; Zhang, Aiping; Hussain, Hafiz Athar

doi:10.1016/j.scitotenv.2021.148655

Cited by 9 publications

(5 citation statements)

References 40 publications

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“…Only China's total NPK fertilizer consumption decreased from 458.0 to 396.9 kg ha −1 in this period, but the crop production index did not decrease simultaneously (FAOSTAT, 2021; World Bank, 2021), indicating that approximately 60 kg of pure nutrients ha −1 is overapplied in China. This value is consistent with the results of Zheng et al (2021), who reported that the 2018 Chinese N and P surplus values were 50.3 and 18.6 kg hm −2 , respectively.…”

Section: Discussionsupporting

confidence: 93%

“…These regulations were established because it has been recognized that the accumulation of a large amount of luxury nutrients (especially N and P) in the soil is not conducive to agricultural production or ecologically sustainable development (Steffen et al, 2015;West et al, 2014). In comparison, there are many reports of huge amounts of soil nutrient accumulation, loss, and soil quality degradation caused by excessive fertilization in China, which seriously threaten food and environmental security (Chen et al, 2022;Huang, Xu, Ridoutt, Wang, & Ren, 2017;Khan et al, 2018;Yin, Zhao, Li, Cheng, & Liu, 2018;Zheng et al, 2021;Zhu et al, 2020). Chen et al (2014) and Zhang, Chu, et al (2020) reported that reducing fertilizer input by smallholders in China had no significant impact on crop yield.…”

Section: Npk Overfertilization In Chinamentioning

confidence: 99%

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Short planks in the crop nutrient barrel theory of China are changing: Evidence from 15 crops in 13 provinces

Chen

Wang

Muneer

et al. 2022

Food and Energy Security

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Large quantities of fertilizers, mainly nitrogen (N), phosphorus (P), and potassium (K), are used in China's crop production; however, whether N, P, and K still limit yield under the current high input remains unknown. In addition, it is not clear whether magnesium (Mg) potentially limits crop production. To address these issues, a national survey of the soil nutrient status and farmers' fertilization practices was conducted in China to determine the soil N, P, K, and Mg status and current fertilization practices. In addition, various experiments, including optimized NPK (OPTNPK) and Mg fertilizer combined with OPTNPK (OPTNPK + Mg) in comparison with farmers' practices (FFP), were performed across China to identify the potential for reducing NPK application and the need for Mg application in crop production. The survey data from 2699 questionnaires indicated that (1) all soil samples were not deficient in NPK, but 73.0% were limited by Mg. (2) The average N, P (in P2O5), K (in K2O), and Mg (in MgO) balances were 422.6, 334.1, 326.3, and −22.6 kg ha−1, respectively. Only 15.7% of all farmers applied Mg fertilizer. (3) NPK fertilization can be reduced by an average of 28.8% without reducing the crop yield and quality. (4) For most crops, the application of Mg fertilizer increased the crop yield by 5.5–40.6% and improved the quality. However, different crops under different conditions had different responses to Mg fertilization. These results indicate that reduced NPK inputs and increased Mg inputs are equally important for the healthy development and sustainability of China's agriculture.

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Section: Discussionsupporting

confidence: 93%

Section: Npk Overfertilization In Chinamentioning

confidence: 99%

Short planks in the crop nutrient barrel theory of China are changing: Evidence from 15 crops in 13 provinces

Chen

Wang

Muneer

et al. 2022

Food and Energy Security

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“…El enfoque integral del desarrollo regional, que abarca la totalidad de los movimientos económicos, conlleva la estrategia de apoyar el ajuste macroeconómico mediante la gestión de la innovación tecnológica, así como el impulso de sistemas de producción cada vez más inteligentes y productivos a nivel local (Rędzińska et al, 2022;Ríos-Carmenado et al, 2014;Zheng et al, 2021;Wei et al, 2023;Zhao et al, 2023). En esta línea, la gestión Desarrollo regional y su impacto en la sociedad mexicana y desarrollo de proyectos sociales, que faciliten una integración efectiva entre gobierno y sociedad, asegurando así el robustecimiento de las instituciones territoriales y la colaboración entre actores de los sectores sociales y económicos, emerge como una oportunidad tangible.…”

Section: Desarrollo Regional: Conceptualización E Impacto a La Sociedadunclassified

Regional development and its impact on mexican society

Vázquez Vidal,

Martínez Prats

2023

Reg Cient

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Addressing the challenge of regional development in Mexico, a priority for authorities and society requires a holistic integration of economic and social policies geared towards sustainability. This research focused on deliberating about the impact of regional development on Mexican culture, adopting a qualitative paradigm, and conducting an exploratory study through a robust documentary review guided by a scientometric analysis. Databases such as Google Scholar and ScienceDirect were accessed without language restrictions, using descriptors like 'regional development,' 'Mexican society,' 'impact of regional development,' 'regional problems', and 'regional inequalities', covering the period from 2000 to 2022. The thematic lines identified in the research on regional development in Mexico emphasize the consolidation of public and social policies, the identification of regional problems with a particular focus on vulnerable groups and poverty in Latin America, and propose solutions to social inequalities through collective action and the promotion of local development

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“…The long-term excessive application of chemical fertilizers is a widespread problem in agricultural production [6,7]. From 2009 to 2019, N chemical fertilizer production greatly increased from 98 million tons to 123 million tons the world over [8].…”

Section: Introductionmentioning

confidence: 99%

Patterns of Nitrogen and Phosphorus along a Chronosequence of Tea Plantations in Subtropical China

Zou,

Huang,

Chen

et al. 2024

Agriculture

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Nitrogen (N) and phosphorus (P) play crucial roles in tea planting, but information on how the long-term excessive application of chemical N fertilizer affected N and P in subtropical tea plantations remains limited. In this study, soil and leaf samples were collected along a chronosequence of tea plantations (0-, 5-, 10-, 18- and 23-year-old plantations) with excessive N input but no P application to investigate the effects of planting age on N and P availability. Diverse soil N forms and P fractions, and the concentrations of leaf N and P were measured. The results showed that (1) NO3−-N and dissolved organic nitrogen (DON) concentrations in both topsoil and subsoil, and the N concentration of mature leaf showed significant upward trends with tea plantation age; (2) the concentrations of available phosphorus (AP), NaHCO3-Pi in labile P pool, NaOH-Pi and D.HCl-Pi in moderately labile P pool in both layers of soil and that the P concentration of mature leaf also increased with age; (3) the N concentration of mature leaves had closely significant logarithmic relations with NO3−-N concentration, while the TP (total P) concentration of mature leaves had significant positive correlations with AP; and (4) the ratio of N/P in tea leaves indicated a slightly P limitation in tea plantations. We concluded that the NO3−-N concentration, instead of TN (total N) of NH4+-N, would be a good indicator to reflect N availability for tea trees, and the increasing of NO3−-N concentration in soil has a diminishing promoting effect on the TN concentration of mature leaves. The long-term application of chemical N fertilizer had not lead to serious P limitation in subtropical tea plantations. Generally, our study could contribute to improving our understanding of N and P availability and optimizing fertilization management in subtropical tea plantations.

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Nitrogen and phosphorus trajectories (1998–2030) under regional development strategy of mainland China

Cited by 9 publications

References 40 publications

Short planks in the crop nutrient barrel theory of China are changing: Evidence from 15 crops in 13 provinces

Short planks in the crop nutrient barrel theory of China are changing: Evidence from 15 crops in 13 provinces

Regional development and its impact on mexican society

Patterns of Nitrogen and Phosphorus along a Chronosequence of Tea Plantations in Subtropical China

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