Decision support system for NPK fertilization: a solution method for minimizing the impact on human health, climate change, ecosystem quality and resources

Meza-Palacios, Ramiro; Aguilar-Lasserre, Alberto A.; Morales-Mendoza, Luis Fernando; Rico-Contreras, José Octavio; Sánchez-Medel, Luis H.; Fernández-Lambert, Gregorio

doi:10.1080/10934529.2020.1787012

Cited by 12 publications

(5 citation statements)

References 35 publications

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“…This could be due to the prevention of physiological toxicity caused by excessive fertilization and an improvement in the soil acidification and C/N ratio, thereby promoting the acquisition and absorption of soil nutrients by the plant roots (Cardenas, Santa, & Kaštovská, 2021; Li et al, 2019; Qiu, McComb, & Bell, 2008; Zhang et al, 2021). By contrast, increasing fertilizer input may significantly reduce yield and quality and increase the environmental risk (Meza‐Palacios et al, 2020; Ye et al, 2020; Yu et al, 2019). Compared with the FFP treatment, although OPT NPK increased P 2 O 5 by 25% and K 2 O by 16.7–100%, it did not significantly affect yield and quality (Table S3, Figure 4).…”

Section: Discussionmentioning

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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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: Discussionmentioning

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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“…Ashraf et al [9] used a fuzzy decision support algorithm that was used to study the fertilizer application rate in wheat, but it is not universal. Meza-Palacios et al [10] proposed a decision support system for fertilizer application based on a soil condition model and a nitrogen, phosphorus, and potassium fertilization model, which can increase crop yield and reduce fertilizer use, but the system focuses on predicting the fertilizer requirement of the crop instead of controlling the amount of fertilizer to be applied. Gómez-Melendez et al [11] used a fuzzy control algorithm to achieve pH adjustment of a water-fertilizer integrated control system, but the system can only reflect the pH of the water-fertilizer solution, which cannot reflect the amount of each fertilizer applied.…”

Section: Introductionmentioning

confidence: 99%

BA-Optimized Variable Domain Fuzzy PID Control Algorithm for Water and Fertilizer Ratio Control System in Cotton Field

Guo,

Zhu,

Zhao

et al. 2024

Processes

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Due to the time-varying, hysteresis and nonlinear characteristics of fertilizer concentration control in the water–fertilizer ratio control system, common control algorithms such as PID and fuzzy PID cannot obtain the expected control effect. In order to accurately control the cotton field water–fertilizer ratio regulation system drip irrigation process of the water–fertilizer ratio that will be controlled within a reasonable range, it is needed to design a bat-optimized variable-domain fuzzy PID water–fertilizer ratio control strategy, through the use of bat algorithm to find out the optimal expansion factor and the best domain of the current conditions, and then according to the changes in working conditions to automatically adjust the fuzzy control of the domain, through the control of the valve openings to change the fertilizer pump back to the amount of water. Realize the fast and precise control of fertilizer concentration in the water–fertilizer ratio control system. Comparative tests were conducted to verify the traditional PID, fuzzy PID, variable domain fuzzy PID and bat-optimized variable-domain fuzzy PID control algorithms. The results show that: if the water–fertilizer ratio is adjusted to 50:1 from the startup, the adjustment time required to reach the target water–fertilizer ratio under the bat-optimized variable-domain fuzzy PID control is 15.29 s, and the maximum overshooting amount is 16.28%, which is a smaller adjustment time and overshooting amount; if the water–fertilizer ratio is adjusted to 40:1 from 50:1, the advantages of bat-optimized variable-domain fuzzy PID are more obvious, with the best balance of response speed, overshooting amount and optimal control effect. In terms of response speed, overshooting amount and regulation time, the optimal balance is achieved, showing the optimal control effect. It is proved that the performance of the water–fertilizer ratio regulation system in cotton field under bat-optimized variable-domain fuzzy PID control designed in this paper can meet the actual production requirements, and these findings can help to develop precise irrigation technology for cotton cultivation under drip irrigation conditions.

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“…Regarding the application of macronutrients such as nitrogen, phosphorus and potassium, many people believe that more fertilisers will provide higher productivity. However, this leads to over-fertilisation which reduces soil quality due to acidification [16]. Furthermore, the production of chemical fertiliser is energy intensive.…”

Section: Introductionmentioning

confidence: 99%

Application of Steel Slag for Degraded Land Remediation

Díaz-Piloñeta

Fernández

Terrados-Cristos

et al. 2022

Land

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Land degradation, and especially acidification, are global issues that need to be addressed. A common practice to correct this problem is the use of lime or chemical fertilisers that involve the extraction of raw materials. This study proposes a more sustainable alternative using Basic Oxygen Furnace (BOF) slag. BOF slag is the main waste from the steel industry that is usually accumulated in landfills, which also implies environmental impacts. In this study, a series of laboratory tests have been carried out to analyse the feasibility of using BOF slag for the reclamation of degraded land. For soil acidification, BOF slag will be analysed as a liming agent. On the other hand, the benefits slag can provide as a nutrient source will be tested. As an added value, pre-treated and untreated slag will be compared. The results of these short-time experiments show how BOF slag could be a sustainable alternative as liming agent and amendment. Its use increased the levels of some micro and macronutrients available for plant growth and improved soil quality. It could, therefore, be a sustainable management practice that makes an important contribution to the circular economy.

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Decision support system for NPK fertilization: a solution method for minimizing the impact on human health, climate change, ecosystem quality and resources

Cited by 12 publications

References 35 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

BA-Optimized Variable Domain Fuzzy PID Control Algorithm for Water and Fertilizer Ratio Control System in Cotton Field

Application of Steel Slag for Degraded Land Remediation

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