dc.contributor | Lab Nacl Ciencia & Tecnol Bioetanol CTBE | |
dc.contributor | Agencia Paulista Tecnol Agronegocios | |
dc.contributor | Inst Agron Campinas | |
dc.contributor | Univ Sagrado Coracao | |
dc.contributor | Universidade Estadual Paulista (Unesp) | |
dc.contributor | Universidade de São Paulo (USP) | |
dc.date.accessioned | 2018-11-26T15:30:04Z | |
dc.date.available | 2018-11-26T15:30:04Z | |
dc.date.created | 2018-11-26T15:30:04Z | |
dc.date.issued | 2016-08-01 | |
dc.identifier | Sugar Tech. New Delhi: Springer India, v. 18, n. 4, p. 391-400, 2016. | |
dc.identifier | 0972-1525 | |
dc.identifier | http://hdl.handle.net/11449/158943 | |
dc.identifier | 10.1007/s12355-015-0384-z | |
dc.identifier | WOS:000378711800008 | |
dc.identifier | WOS000378711800008.pdf | |
dc.description.abstract | The aim of this study was to evaluate the response of sugarcane to nitrogen (N) application with drip irrigation and the relation with carbon isotope discrimination (Delta C-13), aboveground dry matter cane yield and the N balance in consecutive ratoon crops of sugarcane. An experiment was set up in Jau, SP, Brazil, in which the second and third ratoon crop cycles (2008/2009 and 2009/2010) were evaluated. The experiment included an unfertilized N control in both years (T1), and the following three nitrogen (N) fertilizer rates (in kg ha(-1)) applied in 2008 and 2009, respectively: 70 and 50 (T2), 140 and 100 (T3), and 210 and 150 (T4). Fertilization with N caused a marked gain in stalk yields by 98 Mg ha(-1) in 2 years. The N export with harvest was higher than N application in the control treatment T1 and at the lower rate (T2); this, in addition to the observed linear response to N, indicate the need to increase N fertilization in irrigated sugarcane. The values of Delta C-13 decreased with the increase of N supply showing a significant negative correlation (p < 0.05) with stalk as well as whole plant aboveground dry matter yields. The values of Delta C-13 in top leaves may be used as a tool to characterize the N status of sugarcane plants and its relation to aboveground dry matter and yield. | |
dc.language | eng | |
dc.publisher | Springer | |
dc.relation | Sugar Tech | |
dc.relation | 0,441 | |
dc.rights | Acesso aberto | |
dc.source | Web of Science | |
dc.subject | Drip-irrigation | |
dc.subject | C-4 plants | |
dc.subject | Water management | |
dc.subject | Sugar | |
dc.subject | N fertilization | |
dc.title | Fertigated Sugarcane Yield and Carbon Isotope Discrimination (Delta C-13) Related to Nitrogen Nutrition | |
dc.type | Artículos de revistas | |