Recuperação e distribuição do nitrogênio fornecido a videiras jovens
作者： Gustavo Brunetto , João Kaminski , George Wellington de Melo , Danilo Rheinheimer dos Santos
DOI: 10.1590/S0100-204X2006000800013
关键词:
摘要: The objective of this work was to estimate the recovery and distribution N supplied young grapevines. The experiment carried out in greenhouse at Embrapa Uva e Vinho, Bento Goncalves, RS, Southern Brazil. Cultivars used were Riesling Italico Chardonnay grafted on rootstock 101-14 Mgt. One plant cultivated each vase containing 3.5 kg Udorthent soil. solution ammonium sulphate with 2% atoms 15N, rate 185.60 mg N, applied soil surface after transplantation Plants collected six times, during vegetative growth, fractionated leaves, + scion, thick roots fine roots, then oven-dried, weighted, analyzed for total 15N contents. largest fertilizer grapevines ocurred times near supplying. amount accumulated derived from different forms supplied. Leaves compartment fertilizer.
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