Controlling the Hydrolysis and Loss of Nitrogen Fertilizer (Urea) by using a Nanocomposite Favors Plant Growth

Zhou, Linglin; Zhao, Pan; Yu, Chang; Wang, Dongfang; Wang, Pan; Liu, Ning; Cai, Dongqing; Wu, Zhengyan; Zhong, Nanshan

doi:10.1002/cssc.201700032

Cited by 31 publications

(31 citation statements)

References 31 publications

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“…When ACCW was mixed with SXA, the SXA distributed on the surface of the AC spheres, resulting in the aggregation of AC (Figure S2DII) through the netting effect. 38 Thus, the SXA could help the AC aggregates adhere to the surface of sand particles (Figure S2DIII and IV). In other words, the SXA could effectively increase the adhesion of biological soil crusts to sand surfaces.…”

Section: ■ Results and Discussionmentioning

confidence: 97%

Inhibiting Desertification Using Aquatic Cyanobacteria Assisted by a Nanocomposite

Zhang

et al. 2020

ACS Sustainable Chem. Eng.

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Desertification and water body eutrophication are two severe environmental problems worldwide. To alleviate these two problems simultaneously, a new idea, introducing aquatic cyanobacteria (AC) from Lake Chaohu to the surface of the Tengger Desert to encourage the growth of biological soil crusts, was proposed. A networkstructured nanocomposite (SXA) consisting of sodium polyacrylate (SP), xanthan gum (XG), and attapulgite (ATP) was also fabricated. The SXA showed high water-retention ability, viscosity, and biosafety and could provide a suitable microenvironment for AC and desert cyanobacteria (DC) growth. It was found that the combination of AC and SXA effectively increased sand nutrient levels, facilitating the growth of DC and biological soil crusts. Importantly, the resultant biological soil crusts maintained stability for at least 210 days and played a key role in stabilizing the sand surface. Therefore, this work provides a novel technology not only for desert immobilization but also for the utilization of aquatic blooms.

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Section: ■ Results and Discussionmentioning

confidence: 97%

Inhibiting Desertification Using Aquatic Cyanobacteria Assisted by a Nanocomposite

Zhang

et al. 2020

ACS Sustainable Chem. Eng.

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“…As shown in Figure A, attapulgite possessed the characteristic peaks at 3621 and 3414 cm –1 , which were attributed to the −OH stretching vibrations of Al–OH and zeolite water (−OH 2 ), respectively . Besides, the two peaks located at 1033 and 990 cm –1 corresponded to the stretching vibrations of Si–O–Si, and the peak at 477 cm –1 corresponded to the bending vibration of the Si–O–Si bond Figure B shows the peaks of H-SiO 2 (1633 cm –1 for −NH bending vibration and 1105 and 477 cm –1 for symmetric stretching and bending vibrations of Si–O–Si), implying the successful fabrication of H-SiO 2 through incorporation of amino silicon oil with silica; these main characteristic peaks of attapulgite can also be seen clearly in the spectrum of the NPA.…”

Section: Results and Discussionmentioning

confidence: 97%

“…36 Besides, the two peaks located at 1033 and 990 cm −1 corresponded to the stretching vibrations of Si−O−Si, and the peak at 477 cm −1 corresponded to the bending vibration of the Si−O−Si bond. 37 Figure 5B shows the peaks of H-SiO 2 (1633 cm −1 for −NH bending vibration and 1105 and 477 cm −1 for symmetric stretching and bending vibrations of Si−O−Si), implying the successful fabrication of H-SiO 2 through incorporation of amino silicon oil with silica; these main characteristic peaks of attapulgite can also be seen clearly in the spectrum of the NPA. Figure 5C illustrated that, after being modified by H-SiO 2 , the 5D), which were well-matched with the standard JATDS card (31-0783).…”

Section: Journal Of Agricultural and Food Chemistrymentioning

confidence: 87%

Promoting Potato Seed Sprouting Using an Amphiphilic Nanocomposite

Zhou

Zhang²,

Dai

et al. 2018

J. Agric. Food Chem.

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Most potato tubers were used as seeds and sprouted relatively slowly in soil, greatly influencing potato production. To solve this problem, an amphiphilic nanocomposite was fabricated by loading hydrophobic silica (H-SiO) in hydrophilic attapulgite nest-like and used as a nano presprouting agent (NPA). This technology could conveniently adjust the occupation area ratio of water and air (OARWA) on the potato surface. NPA could endow potatoes with an appropriate OARWA and, thus, effectively accelerate sprouting. Additionally, NPA greatly decreased soil bulk density, facilitated earthworm growth, promoted potato growth, and increased the yield by 14.1%. Besides, NPA did not pass through the potato skin and mainly existed on the surface of potatoes. Importantly, NPA showed tiny influence on the viability of fish and nematodes, demonstrating good biosafety. Therefore, this work provides a promising presprouting approach for potatoes, which may have a potential application prospect in ensuring food supply.

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“…It is necessary to use modern technologies in agroecosystems A combination of biotechnology and nanotechnology has the potential to revolutionize agricultural systems and provide solutions for current and future problems. These include the development and use of smart fertilizers with controlled nutrient release, together with bioformulations based on bacteria or enzymes [91].…”

Section: Nalini Sharma and Ajay Singhmentioning

confidence: 99%

A Review on Changes in Fertilizers, From Coated Controlled Release Fertilizers (CRFs) to Nanocomposites of CRFs

Sharma¹,

Tjprc²

2019

IJASR

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Past decades have seen a keen-edged bloom in Agro-Technical aspects. The expansion of global population andthe inflation in global food demand has given rise to multitudinous research in the agronomic sector, especially in the domain of fertilizers. The use of fertilizer in agricultural field is essential for the plant growth, but excess amount of pure chemical contents used in them can pose a serious threat to all living beings and also to the environment. In order to reduce this chemical exposure, the use of materials coated Controlled Release Fertilizer or CRFs became quintessential. The coating of materials outside the fertilizer enables the active content of fertilizers to release in a gradual or delayed manner, in accordance to the plant demands. The longevity of CRFs depends upon the thickness of coating material, which can either be organic or inorganic. Temperature and moisture are the greatest players which influence the workability of coated CRFs. Further improvisation in CRFs is done with the introduction of Nanotechnology in agricultural research, as it has put forth innumerable advantages with respect to development. Nanofertilizers based onCRFs are used for the increment of active fertilizer material in the field, as they present large surface area for the release of required nutrients to the plant in a controlled manner. The present study covers the extensive evolution of controlled release fertilizers, to the modern and smart Nanotechnology inspired controlled release fertilizers.urea does not provide for the complete nitrogen requirement of the plant, as it is lost mostly because of leaching and volatilization. And so, various studies got triggered and gave rise to the evolution of traditional fertilizers to Controlled Release Coated Fertilizers (CRCFs). CRCFs have seen an extensive study for the formulation of coating material ranging from those based on sulphur to polymer based super absorbents, bio-composites and others.CRCFs comprise of a coating over the active material, usually the desired fertilizer granule. The coating is done to ensure a gradual release of the nutrients from the active core so that the total nutrient demand of the plant with time is fulfilled. The plant in initial stages of growth requires fewer nutrients, and so, the coating has to be designed in a manner which would start the dissolution very gradually and would last up to a considerable period of time for the plant. But, with the passage of time and ever enhancing food demand, the agro-sector still lags behind in terms of efficient commercial grade improvised fertilizers, despite the numerous researches carried on formulating coated slow/controlled release fertilizers. With the emergence of Nanotechnology as a booster for various applications in almost all the fields, even the agriculture sector is not behind in experiencing its beneficiary effects. With the due course of time, it is evident that Nanotechnology can serve the growing demand of a better agro-chemical, and hence will also fuel the rigorous research goin...

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Controlling the Hydrolysis and Loss of Nitrogen Fertilizer (Urea) by using a Nanocomposite Favors Plant Growth

Cited by 31 publications

References 31 publications

Inhibiting Desertification Using Aquatic Cyanobacteria Assisted by a Nanocomposite

Inhibiting Desertification Using Aquatic Cyanobacteria Assisted by a Nanocomposite

Promoting Potato Seed Sprouting Using an Amphiphilic Nanocomposite

A Review on Changes in Fertilizers, From Coated Controlled Release Fertilizers (CRFs) to Nanocomposites of CRFs

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