Optimization of One-Time Fertilization Scheme Achieved the Balance of Yield, Quality and Economic Benefits of Direct-Seeded Rice

Cheng, Shuang; Xing, Zengping; Tian, Chao; Weng, Wenan; Hu, Qun; Zhang, Hongcheng

doi:10.3390/plants12102047

Cited by 2 publications

(1 citation statement)

References 57 publications

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“…The results of our own research have confirmed the influence of urea application, especially localized fertilization, on the total content of nitrogen in biomass and nitrate accumulation in plant tissue observed by other authors [37,40,41], and, in consequence, the percentage of NO 3 -N in the total N content.…”

Section: Content Of Total Nitrogen and Nitrate Nitrogen In Plantssupporting

confidence: 90%

Possibility of Using the By-Product of Fatty Acid Extraction from Fish in Fertilization as an Element of the Circular Economy

Wiśniowska-Kielian,

Filipek-Mazur,

Gambuś

2024

Agronomy

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The study aimed to compare the effect of urea fatty fraction (UFF) and Pulrea® (urea fertilizer) on plant yield and selected plant and soil parameters determined after the plants were harvested. UFF is a by-product of essential unsaturated fatty acids (UFAs) extraction from fish oil using urea, and Pulrea® is a commercial urea fertilizer. Both products were applied to the soil and the leaves (foliar application). The effect of Pulrea® on plant yield was generally stronger than that of UFF but depended on soil properties and plant species. Both fertilizers, but especially UFF, increased the total N content in the plant and effected nitrate accumulation. The plants used 45–90% of fertilizer nitrogen, with the plants generally using more N from Pulrea® than from UFF. Higher nitrogen production efficiency was achieved using Pulrea® than UFF and when plants were cultivated on medium soil than on light soil. Fertilizers increased the acidity and electrolytic conductivity of both soils but did not induce soil salinization. They increased the content of mineral nitrogen forms in soils, which was generally the case more in soil with Pulrea® application than with UFF application. As a rule, the soil dehydrogenases activity did not change significantly or even decrease after fertilizer application. It was visibly higher in medium soil and after foliar Pulrea® application than after foliar UFF application. This may be due to the content of accompanying substances in UFF that affect nitrogen absorption from this fertilizer. Based on the results, it cannot be clearly stated that one of the tested fertilizers had a better effect on the studied parameters. Generally, the less favorable effects of UFF compared to Pulrea® may indicate the necessity of removing from UFF the accompanying substances that may adversely affect plants and soil microorganisms. This aspect needs to be investigated under controlled conditions in field experiments.

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Section: Content Of Total Nitrogen and Nitrate Nitrogen In Plantssupporting

confidence: 90%

Possibility of Using the By-Product of Fatty Acid Extraction from Fish in Fertilization as an Element of the Circular Economy

Wiśniowska-Kielian,

Filipek-Mazur,

Gambuś

2024

Agronomy

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Exploring the Effects of Nitrogen Fertilization Management and Soil Factors on the Yield and Quality of Flue-Cured Tobacco in China—A Quantitative Research

Huan,

Irfan,

Yokamo

et al. 2024

Agronomy

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Tobacco, a pivotal economic crop in China, faces the challenge of securing high-quality raw materials for its industry due to unbalanced and inefficient nitrogen (N) application. To assess the impact of fertilizer management and soil factors on the yield and quality of flue-cured tobacco (FCT), a meta-analysis was conducted across 82 peer-reviewed research studies. The findings demonstrated that both fertilizer management and soil properties exerted a significantly greater influence on yield (63.13% and 62.05%, respectively) than the proportion of superior and medium tobacco (PSMT) (23.57% and 23.83%, respectively). Multiple models were conducted to analyze the N application rate for maximum yield and PSMT, respectively, resulting in an optimum range from 90 to 100 kg N ha−1. The highest yield and PSMT increments were observed with fertilizer timing (FT) applied twice, a basal fertilizer ratio (BFR) exceeding 50%, and a soil pH below 6.5. The nicotine content escalated with increasing N application rates (NR) and soil nitrogen content, peaking at NR over 120 kg N ha−1 and soil total nitrogen (TN) above 2 g kg−1. Stepwise regression modeling indicated that nicotine content was positively influenced by fertilizer management factors (including NR, fertilizer timing, and BFR), as well as initial soil nitrogen content (AN and TN). However, it was negatively correlated with available potassium (AK). Therefore, the results of this meta-analysis suggest that effective fertilizer management, slightly acidic soils enriched with AK, and lower N supply capacity are crucial for enhancing leaf quality while reducing nicotine content. This approach promises improved economic and environmental returns for the tobacco industry in China.

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Optimization of One-Time Fertilization Scheme Achieved the Balance of Yield, Quality and Economic Benefits of Direct-Seeded Rice

Cited by 2 publications

References 57 publications

Possibility of Using the By-Product of Fatty Acid Extraction from Fish in Fertilization as an Element of the Circular Economy

Possibility of Using the By-Product of Fatty Acid Extraction from Fish in Fertilization as an Element of the Circular Economy

Exploring the Effects of Nitrogen Fertilization Management and Soil Factors on the Yield and Quality of Flue-Cured Tobacco in China—A Quantitative Research

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