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Nitrogen early application for maize culture in succession to forage grass in no-tillage system

Grant number: 14/10035-9
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2014
Effective date (End): October 31, 2015
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Carlos Alexandre Costa Crusciol
Grantee:Gabriela Riguetto Roque
Host Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Maize cultivation (Zea mays L.) in succession to forage grasses in no tillage system occupies large areas in Brazil and is highlighted in the agricultural development. In this system, new alternatives for nitrogen fertilizer handling have emerged and farmers have applied in advance all the nitrogen (N) in plant producing straw or on the eve of the straw maize sowing. However, there are many doubts about the technical viability of this practice. This work will consist on the combination of plant ground cover Urochloa Brizantha and six forms of nitrogen fertilizer handling, being: 0 kg N ha-1 (control); in maize coverage (40-160 kg ha-1); three advanced handling of cover plant (20, 10 and 5 days before sowing); and pre-sowing maize (5-1 days before sowing), the dosage of 200 kg ha-1 N, so the purpose is to evaluate the viability of application of N in Urochloa brizantha cv. Marandu, aiming the supply of N to the maize culture succession, besides of the viability of N application over straw on maize sowing.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MOMESSO, LETUSA; CRUSCIOL, CARLOS A. C.; SORATTO, ROGERIO P.; VYN, TONY J.; TANAKA, KATIUCA S.; COSTA, CLAUDIO H. M.; NETO, JAYME FERRARI; CANTARELLA, HEITOR. Impacts of Nitrogen Management on No-Till Maize Production Following Forage Cover Crops. AGRONOMY JOURNAL, v. 111, n. 2, p. 639-649, . (14/10035-9)

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