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Nitrogen antecipation for upland rice crops in succession to Urochloa brizantha and Urochloa ruziziensis in no-till system

Grant number: 15/17953-6
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2015
Effective date (End): September 30, 2016
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal Investigator:Carlos Alexandre Costa Crusciol
Grantee:Aron Aielo Sandoval
Host Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

The Rice crop in succession to forage grass in no-till system has gained ground in Brazil. In this system, new alternatives for nitrogen fertilization management have emerged and farmers have applied in advance all nitrogen (N) in the producer plant straw or the straw just before the seeding of annual crops. However, there are many doubts about the technical feasibility of this practice. The present research will be conducted in the 2015/16 growing season in Botucatu-SP. The experimental design is a randomized block in a 2x6 factorial design, with four repetitions. The treatments will consist of two forage species (Urochloa brizantha and Urochloa ruziziensis) and six forms of nitrogen topdressing management for annual crops, which are: control (0 kg ha-1 N), application of 100 kg ha-1 N in coverage in profiling the rice crop, 20 days before the desiccation of cover crops, 10 days before the desiccation of cover crops, five days before the desiccation of cover crops and 1 day before the sowing of rice crop. Will assess the nutritional status, the production components and grains rice productivity; just like dry matter production by forage plants and the nutrients accumulation before drying. The data will be submitted to analysis of variance by F test (p d 0.05) and the results compared by t LSD test (t LSD).

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Scientific publications (6)
(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; COSTA CRUSCIOL, CARLOS ALEXANDRE; COSTA DO NASCIMENTO, CARLOS ANTONIO; SORATTO, ROGERIO P.; CANISARES, LUCAS PECCI; MORETTI, LUIZ GUSTAVO; ROSOLEM, CIRO ANTONIO; OCHEUZE TRIVELIN, PAULO CESAR; KURAMAE, EIKO EURYA; CANTARELLA, HEITOR. Feasibility of early fertilization of maize with 15 N application to preceding cover crop. EUROPEAN JOURNAL OF AGRONOMY, v. 135, p. 11-pg., . (15/50305-8, 16/12317-7, 15/17953-6)
MOMESSO, LETUSA; CRUSCIOL, CARLOS A. C.; LEITE, MARCIO F. A.; BOSSOLANI, JOAO W.; KURAMAE, EIKO E.. Forage Grasses Steer Soil Nitrogen Processes, Microbial Populations, and Microbiome Composition in A Long-term Tropical Agriculture System. AGRICULTURE ECOSYSTEMS & ENVIRONMENT, v. 323, . (15/17953-6)
MOMESSO, LETUSA; CRUSCIOL, CARLOS A. C.; SORATTO, ROGERIO P.; NASCIMENTO, CARLOS A. C.; ROSOLEM, CIRO A.; MORETTI, LUIZ G.; KURAMAE, EIKO E.; CANTARELLA, HEITOR. Early nitrogen supply as an alternative management for a cover crop-maize sequence under a no-till system. NUTRIENT CYCLING IN AGROECOSYSTEMS, v. 121, n. 1, . (15/50305-8, 15/17953-6, 16/12317-7)
MOMESSO, LETUSA; COSTA CRUSCIOL, CARLOS ALEXANDRE; CANTARELLA, HEITOR; TANAKA, KATIUCA SUEKO; KOWALCHUK, GEORGE A.; KURAMAE, EIKO EURYA. Optimizing cover crop and fertilizer timing for high maize yield and nitrogen cycle control. Geoderma, v. 405, . (15/17953-6)
MOMESSO, LETUSA; CRUSCIOL, CARLOS A. C.; SORATTO, ROGERIO P.; TANAKA, KATIUCA S.; COSTA, CLAUDIO H. M.; CANTARELLA, HEITOR; KURAMAE, EIKO E.. Upland rice yield enhanced by early nitrogen fertilization on previous palisade grass. NUTRIENT CYCLING IN AGROECOSYSTEMS, v. 118, n. 2, . (15/17953-6)
MOMESSO, LETUSA; CRUSCIOL, CARLOS A. C.; BOSSOLANI, JOAO W.; MORETTI, LUIZ G.; LEITE, MARCIO F. A.; KOWALCHUK, GEORGE A.; KURAMAE, EIKO E.. Toward more sustainable tropical agriculture with cover crops: Soil microbiome responses to nitrogen management. SOIL & TILLAGE RESEARCH, v. 224, p. 12-pg., . (13/50365-5, 15/17953-6)

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