{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T12:25:30Z","timestamp":1784118330806,"version":"3.55.0"},"reference-count":54,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T00:00:00Z","timestamp":1774051200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Calcium (Ca) deficiency is a major nutritional constraint for sugarcane, impairing stoichiometric homeostasis and biomass accumulation. In this context, silicon dioxide nanoparticles (nSiO2) have emerged as a promising alternative due to their high reactivity and potential to modulate mineral homeostasis. This study evaluated the effects of nSiO2 on C:N:P:Si homeostasis and on nutrient uptake, translocation, and use efficiencies in sugarcane plants grown under Ca deficiency and sufficiency. The experiment was conducted in a greenhouse using a 2 \u00d7 2 factorial design, with two Ca conditions (0 and 3 mmol L\u22121) and two nSiO2 conditions (0 and 1.77 mmol L\u22121 of Si), with four replications. Calcium deficiency reduced nutrient accumulation and nutritional efficiencies of several macro- and micronutrients, disrupted stoichiometric ratios, and decreased shoot dry mass. The application of nSiO2 under Ca deficiency increased Si concentration and accumulation along with other nutrients, reduced C:Si ratios, enhanced nutrient uptake, translocation, and use efficiencies, and resulted in increased shoot biomass. Under Ca-sufficient conditions, nSiO2 promoted nutritional adjustments and improved nutrient efficiencies but did not affect biomass production. Overall, the results demonstrate that nSiO2 acts as a nutritional modulator and is more effective in mitigating the adverse effects of Ca deficiency through stoichiometric rebalancing and improved nutrient use efficiencies.<\/jats:p>","DOI":"10.3390\/plants15060971","type":"journal-article","created":{"date-parts":[[2026,3,23]],"date-time":"2026-03-23T13:53:34Z","timestamp":1774274014000},"page":"971","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Silicon Nanoparticles Modulate C:N:P Homeostasis and the Efficiencies of Nutrient Uptake, Translocation, and Use in Sugarcane Under Calcium Deficiency and Sufficiency"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-0246-7048","authenticated-orcid":false,"given":"Jo\u00e3o Victor","family":"da Silva Santos","sequence":"first","affiliation":[{"name":"Laboratory of Plant Nutrition, School of Agricultural and Veterinary Science, S\u00e3o Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S\/N-Vila Industrial, Jaboticabal 14884-900, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0105-8792","authenticated-orcid":false,"given":"Milton Garcia","family":"Costa","sequence":"additional","affiliation":[{"name":"Laboratory of Plant Nutrition, School of Agricultural and Veterinary Science, S\u00e3o Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S\/N-Vila Industrial, Jaboticabal 14884-900, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jo\u00e3o Vitor","family":"Silva e Silva","sequence":"additional","affiliation":[{"name":"Laboratory of Plant Nutrition, School of Agricultural and Veterinary Science, S\u00e3o Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S\/N-Vila Industrial, Jaboticabal 14884-900, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-3951-6417","authenticated-orcid":false,"suffix":"J\u00fanior","given":"Francisco Sales Ferreira dos","family":"Santos","sequence":"additional","affiliation":[{"name":"Laboratory of Plant Nutrition, School of Agricultural and Veterinary Science, S\u00e3o Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S\/N-Vila Industrial, Jaboticabal 14884-900, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1998-6343","authenticated-orcid":false,"given":"Renato de Mello","family":"Prado","sequence":"additional","affiliation":[{"name":"Laboratory of Plant Nutrition, School of Agricultural and Veterinary Science, S\u00e3o Paulo State University, Via de Acesso Professor Paulo Donato Castelane Castellane S\/N-Vila Industrial, Jaboticabal 14884-900, S\u00e3o Paulo, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"11697","DOI":"10.1007\/s10668-023-04377-5","article-title":"Growth and Acceleration Analysis of the Soybean, Sugar Cane, Maize and Cattle Production in Brazil","volume":"27","author":"Hermuche","year":"2024","journal-title":"Environ. 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