Improving the utilization rate of foliar nitrogen fertilizers by surface roughness engineering of silica spheres

Li, Wenchao; Fan, Ruoyu; Zhou, Hongjian; Zhu, Yan; Zheng, Xu; Tang, Mengyu; Wu, Xiaosi; Yu, Chengzhong; Wang, Guozhong

doi:10.1039/d0en00686f

Cited by 16 publications

(15 citation statements)

References 31 publications

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“…Another interesting work by Li et al [84] considered maize and micro-nanostructured silica spheres (solid silica spheres (S-Si), hollow silica spheres (H-Si) and sea urchin-like micro-nanostructured hollow silica spheres (SUH-Si,~500 nm) with different surface roughness and morphologies as carrier for N to improve the adhesion capacity on plant leaves when applied as foliar fertilizers. Results indicated that SUH-Si-N provide nitrogen nutrition for maize seedlings and promote their growth and development.…”

Section: Si Nanoparticles As Plant Nutrient Carriermentioning

confidence: 99%

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

et al. 2021

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The Green New Deal requires a profound transformation of the agricultural sector, which will have to become more sustainable and ensure universal access to healthy food. Thus, it will be essential to introduce radical technological innovations. Nanotechnologies have the potential to produce a significant boost to the improvement of the food system. Within this context, in the next years, a strong challenge will need to be faced regarding developing new and more efficient uses of nutrients in agriculture, being the nutrient use efficiency (NUE) paramount in sustaining high crop productivity without depleting biodiversity, and altering both the natural and agricultural systems. Nutrients leaching causes environmental pollution and water eutrophication, while nutrient excess favors pest and weed widespread. Therefore, it will be mandatory to improve plant nutrition efficiency without affecting agricultural productivity and economic sustainability. A promising alternative consists of the introduction of the so-called nanomaterial enhanced fertilizers and plant growth stimulators. Such innovation includes nanotechnological solutions that can improve nutrient delivery for a more finely tuned, accurate, and saving-resources distribution of nutrients. This review provides a critical view of the latest advances in nanofertilizer research, mainly referring to nano-hydroxyapatite, silica nanoparticles, and chitosan-derived nanostructures.

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Section: Si Nanoparticles As Plant Nutrient Carriermentioning

confidence: 99%

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

et al. 2021

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“…These results demonstrated that the contact angles of NanoSi-CDs on the maize leaf surface were smaller than those of CDs. Because the aldehyde group of formaldehyde and the hydroxyl group of resorcinol are highly hydrophilic, they contribute to increased wettability of the material. , Moreover, NanoSi could greatly reduce the possibility of material slipping from the leaf surface, thereby increasing its bioavailability . For instance, the conventional nitrogen fertilizer showed a 73.3% decrease in the contact angle when loaded with NanoSi, resulting in a 2.3 times increase in the utilization rate …”

Section: Resultsmentioning

confidence: 99%

“…54,55 Moreover, NanoSi could greatly reduce the possibility of material slipping from the leaf surface, thereby increasing its bioavailability. 56 For instance, the conventional nitrogen fertilizer showed a 73.3% decrease in the contact angle when loaded with NanoSi, resulting in a 2.3 times increase in the utilization rate. 49 Meanwhile, the SFE of the maize leaves was calculated by the Owens−Wendt−Rabel−Kaelble method, 57 using the contact angle of two test liquids (Table S2).…”

Section: High Foliage Adhesion On the Leaf Surfacementioning

confidence: 99%

Carbon Dots Embedded in Nanoporous SiO₂ Nanoparticles for Enhancing Photosynthesis in Agricultural Crops

Yao

Yue

Cao

et al. 2022

ACS Appl. Nano Mater.

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Nanoenable agriculture has been rapidly developed. However, foliar application of nanofertilizers results in them dripping off the leaves, which would effectively limit their bioavailability. Herein, a nanocarrier method of using nanoporous SiO 2 (NanoSi) was found to enhance the adhesion of carbon dots (CDs) on crop leaf surfaces. Foliar application of NanoSi-CDs (10 mg•L −1 ) could significantly increase the net photosynthetic rate (Pn; 110.0−140.0%), fresh weight (327.1% in roots and 247.2% in shoots), and dry weight (212.0% in roots and 118.5% in shoots) of maize. Moreover, NanoSi-CDs showed a long-term promotion effect. Specifically, the Pn remained significantly increased on day 20 after spraying with NanoSi-CDs, whereas the CDs had no such effect at the same time. Furthermore, the rainfall simulation experiments demonstrated that the water resistances of NanoSi-CDs and CDs were 2.5 and 1.5 cm, respectively. Compared with the control, NanoSi-CDs could increase the Pn by 22.3% on the 20th day after rainfall. Collectively, NanoSi nanocarriers can be a promising method to improve the bioavailability of engineering nanomaterials in sustainable agriculture.

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“…Studies have shown that nanomaterials can enter plant cells by binding to carrier proteins, through ion channels, or endocytosis [ 59 , 60 ]. The gravitates can be more uniformly encapsulated with reagents after they are uniformly dispersed by the irradiation technique [ 61 ].…”

Section: Resultsmentioning

confidence: 99%

Effect of Nano-TiO2 Composite on the Fertilization and Fruit-Setting of Litchi

Huang

Dong

Ding³

et al. 2022

Nanomaterials

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Titanium dioxide nanoparticles (nTiO2) are widely used as fertilizers in agricultural production because they promote photosynthesis and strong adhesion. Low pollination and fertilization due to rainy weather during the litchi plant’s flowering phase result in poor fruit quality and output. nTiO2 would affect litchi during the flowering and fruiting stages. This study considers how nTiO2 affects litchi’s fruit quality and pollen viability during the flowering stage. The effects of nTiO2 treatment on pollen vigor, yield, and fruit quality were investigated. nTiO2 effectively improved the pollen germination rate and pollen tube length of litchi male flowers. The germination rate reached 22.31 ± 1.70%, and the pollen tube reached 237.66 μm in the 450 mg/L reagent-treated group. Spraying with 150 mg/L of nTiO2 increased the germination rate of pollen by 2.67% and 3.67% for two types of male flowers (M1 and M2) of anthesis, respectively. After nTiO2 spraying, the fruit set rates of ‘Guiwei’ and ‘Nomici’ were 46.68% and 30.33%, respectively, higher than those of the boric acid treatment group and the control group. The edibility rate, titration calculation, and vitamin C of nTiO2 treatment were significantly higher than those of the control. The nTiO2-treated litchi fruit was more vividly colored. Meanwhile, the adhesion of nTiO2 to leaves was effectively optimized by using ATP and BCS to form nTiO2 carriers and configuring nTiO2 complex reagents. These results set the foundation for future applications of titanium dioxide nanoparticles as fertilizers for agriculture and guide their application to flowers and fruits.

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Improving the utilization rate of foliar nitrogen fertilizers by surface roughness engineering of silica spheres

Abstract: Compared with root nitrogen fertilization, foliar nitrogen fertilizer (FNF) has been widely used for crops growth due to its fast fertilizer efficiency and high utilization rate, especially when the crops...

Cited by 16 publications

References 31 publications

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

Carbon Dots Embedded in Nanoporous SiO₂ Nanoparticles for Enhancing Photosynthesis in Agricultural Crops

Effect of Nano-TiO2 Composite on the Fertilization and Fruit-Setting of Litchi

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Improving the utilization rate of foliar nitrogen fertilizers by surface roughness engineering of silica spheres

Abstract: Compared with root nitrogen fertilization, foliar nitrogen fertilizer (FNF) has been widely used for crops growth due to its fast fertilizer efficiency and high utilization rate, especially when the crops...

Cited by 16 publications

References 31 publications

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

Tools for Nano-Enabled Agriculture: Fertilizers Based on Calcium Phosphate, Silicon, and Chitosan Nanostructures

Carbon Dots Embedded in Nanoporous SiO2 Nanoparticles for Enhancing Photosynthesis in Agricultural Crops

Effect of Nano-TiO2 Composite on the Fertilization and Fruit-Setting of Litchi

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Product

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Carbon Dots Embedded in Nanoporous SiO₂ Nanoparticles for Enhancing Photosynthesis in Agricultural Crops