The impact of nano-ZnO foliar fertilizer on growth and yield of cultivated rice (&lt;em&gt;Oryza sativa&lt;/em&gt; L.) varieties in Sri Lanka

Somaratne, S.; Weerakoon, S. R.; Karthikeyan, N.; Munasinghe, D. S. P.

doi:10.4038/cjs.v50i2.7872

Cited by 4 publications

(3 citation statements)

References 15 publications

(17 reference statements)

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“…The deeper root penetration by summer green manuring than basmati rice might be another element that aided in the recycling of micronutrients from the subsurface layer to topsoil (Jat, 2010;Pooniya and Shivay, 2012). The present report of increment in grain yield by application of nanozinc oxide aligns with previous studies with rice (Bala et al, 2019;Jangid et al, 2019;Kheyri et al, 2019;Elshayb et al, 2021;Somaratne et al, 2021;Yang et al, 2021;Adhikary et al, 2022;Akmal et al, 2022;Sheykhzadeh et al, 2022;Waqas Mazhar et al, 2022) and with other crops like wheat (Babaei et al, 2017;Adrees et al, 2021;Sheoran et al, 2021;Adil et al, 2022). Conjoint application of nano zinc and urea has been shown to promote grain yield in rice (Kumar et al, 2022) and in wheat (Dimkpa et al, 2020;Asim et al, 2022;Beig et al, 2022).…”

Section: Discussionsupporting

confidence: 91%

Interplay between nano zinc oxide-coated urea and summer green manuring in basmati rice under basmati rice-wheat cropping system: implications on yield response, nutrient acquisition and grain fortification

Baral

Shivay

Prasanna

et al. 2023

Front. Sustain. Food Syst.

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Identifying appropriate nutrient management options is crucial for reversing the yield plateau and enhancing the nutritional status of basmati rice under the basmati rice-wheat cropping system of the Indo Gangetic Plain (IGP). Alternative to the conventional chemical fertilizer, ZnO nanoparticles as carrier material for the micronutrient Zn has shown promise in reducing the bulkiness of fertilizer use in the soil–plant environment. But whether its integration and interaction with an organic source such as green manuring could enrich basmati rice grain with micronutrients and promote protein nutrition is not well investigated. Therefore, we conducted a field experiment during the summer and rainy seasons (April–October) of 2020 and 2021 at the research farm of the ICAR-Indian Agricultural Research Institute, New Delhi in a split-plot design with two summer green manuring (SGM) options (Sesbania and cowpea, along with fallow) as main plots and six fertilization strategies as subplots: 5 kg Zn ha−1 as bulk ZnO, N at 120 kg N ha−1 as prilled urea (PU), N at 120 kg N ha−1 as PU + 5 kg Zn ha−1 as bulk ZnO, 1% bulk ZnO-coated PU, 0.1% nano ZnO coated PU and 0.2% nano ZnO coated PU replicated thrice. On average, SGM increased basmati rice grain yield by 13.2 and 12.3% during 2020 and 2021, respectively compared to fallow. Integrated application of zinc with urea significantly (p < 0.05) increased the grain yield of basmati rice by 9.56% and by 10.5% relative to urea without zinc and by 33.7 and 33.8% than the sole application of 5 kg Zn ha−1 through ZnO, respectively during 2020 and 2021. On average, SGM boosted Zn, Cu, Mn, and Fe content in milled rice by 25, 22.38, 20.0, and 18.85% during 2020 and 23.75, 21.4, 19.6, and 13.3% during 2021, respectively compared to fallow. Relative to sole urea application, zinc, and urea together improved the Zn and Fe content in milled rice by 2.99 mg kg−1 and 2.62 mg kg–1, respectively during the first year and by 2.83 mg kg−1 and 2.6 mg kg−1, respectively during the second year of study. The highest protein content in basmati rice grain was observed when it was grown after Sesbania aculeata residue incorporated plot during both the years and it decreased in the order: Sesbania aculeata > Vigna unguiculata > summer fallow. Our findings revealed that with the application of 1% bulk ZnO coated PU with Sesbania; the yield response, micronutrient acquisition, and protein accumulation in milled rice was higher than in other plant fertilization methods. However, in plots treated with Sesbania, along with 0.2% nano ZnO-coated PU exhibited statistically equivalent yield and micronutrient loading in edible tissues. Hence, this study unveils the critical role of nano ZnO-coated urea and summer green manuring in elevating micronutrient and protein bioavailability in basmati rice and concurrently reducing Zn dose by 20%, making it a profitable option for farmers.

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Section: Discussionsupporting

confidence: 91%

Interplay between nano zinc oxide-coated urea and summer green manuring in basmati rice under basmati rice-wheat cropping system: implications on yield response, nutrient acquisition and grain fortification

Baral

Shivay

Prasanna

et al. 2023

Front. Sustain. Food Syst.

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“…Micronutrient deficiency is regarded as one of the major causes of rice productivity reduction (Somaratne et al, 2021). Iron (Fe) deficiency is one of the most common micronutrient deficiencies world-S450 Eco.…”

Section: Introductionmentioning

confidence: 99%

Effect of application of FYM or Micronutrient with RDF on soil’s physico-chemical properties in direct seeded basmati rice at Kaithal district, Haryana, India

Sanwal,

Garhwal,

Kumar

et al. 2023

EEC

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A field experiment was conducted during Kharif in 2020 at CCS HAU, College of Agriculture, Kaul research farm to investigate the effects of FYM and micronutrients on the physico-chemical properties of direct seeded basmati rice. The study used a randomized block design with seven treatments, each with a different combination of chemical fertilizer (RDF), farmyard manure (FYM), and micronutrients (ZnSO4 and FeSO4 ). When FYM was used in conjunction with RDF, soil physico-chemical properties such as bulk density (BD), pH, and electrical conductivity (EC) exhibited no significant results, but they had significant increase in soil organic carbon (OC), NPK content and DTPA extractable micronutrients. Highest NPK content and DTPA-extractable micronutrient content in soil was observed in 75% RDF + FYM @ 15 t ha-1 treatment followed by 50% RDF + FYM @ 15 t ha-1.

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“…According to a recent study, foliar application of Nano-ZnO fertilizers increases growth and specifically yield performances of rice varieties Suwandal, Pachchaperumal, and Bg94-1 (Somaratne et al 2021). Though nano fertilizers are prominent in countries such as China, India, Iran, etc., using Nanofertlizers in Sri Lankan paddy cultivation is inconspicuous.…”

Section: Introductionmentioning

confidence: 99%

Yield performances of rice varieties (Oryza sativa) under nano-CuO and nano-ZnO micronutrient fertilizers

et al. 2022

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Abstract. Sandanayake CLT, Weerakoon SR, Karthikeyan N, Somaratne S. 2022. Yield performances of rice varieties (Oryza sativa) under nano-CuO and nano-ZnO micronutrient fertilizers. Nusantara Bioscience 14: 95-103. Rice (Oryza sativa L.) is a major staple food in the world. There is an extreme need for higher rice yield to meet the ever-increasing demand with the rise in population despite the hampering impact of climatic changes. Nanotechnology plays a potential role in food security and introduces nano fertilizers as an alternative to conventional fertilizers. Therefore, the present research was carried out to determine the effects of nano micronutrient fertilizers; nano-CuO, and nano-ZnO on the yield of selected rice varieties, Bg360, BW364, Kaluheenati, and Kuruluthuda. Sol-gel and thermal decomposition methods synthesized nano-fertilizers used in the study. Nano-ZnO, nano-CuO, and nano-CuO-ZnO composite treatments were applied as a foliar spray at concentrations of 30 mg L-1 (T1), 60 mg L-1 (T2), and 120 mg L-1 (T3) and double deionized water served as the control (T0). The synthesized nano-fertilizers were applied during the growth stage [at 48-58 days after sowing (DAS)] and grain filling stage [100-105 DAS], while the plants were provided with appropriate levels of N, P, and K fertilizers, as recommended by Department of Agriculture. A Complete Randomized Block Design was employed with three blocks and five replicates in each block. The Yield parameters were recorded at the harvesting stage. Descriptive statistics such as mean and standard error of mean and inferential statistics were performed on the data obtained. ANOVA with interaction terms was performed to assess the significant differences between the treatments. The descriptive analyses show an increase in the yield of the rice varieties under the application of nano-fertilizers. ANOVA suggests a significant effect (p ? 0.05) of nano-CuO and nano-ZnO on the yield of rice varieties used in the study. Both traditional and inbred rice varieties indicated yield response to applied nano-fertilizers.

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The impact of nano-ZnO foliar fertilizer on growth and yield of cultivated rice (<em>Oryza sativa</em> L.) varieties in Sri Lanka

Cited by 4 publications

References 15 publications

Interplay between nano zinc oxide-coated urea and summer green manuring in basmati rice under basmati rice-wheat cropping system: implications on yield response, nutrient acquisition and grain fortification

Interplay between nano zinc oxide-coated urea and summer green manuring in basmati rice under basmati rice-wheat cropping system: implications on yield response, nutrient acquisition and grain fortification

Effect of application of FYM or Micronutrient with RDF on soil’s physico-chemical properties in direct seeded basmati rice at Kaithal district, Haryana, India

Yield performances of rice varieties (Oryza sativa) under nano-CuO and nano-ZnO micronutrient fertilizers

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