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Gradual correction of phosphorus availability in the no-tillage system. Repositório Alice
KURIHARA, C. H.; SILVA, W. M.; DIAS, M. M.; TSUJIGUSHI, B. P.; SILVA, J. V. de S..
2016
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Anion exchange resin; Corrective fertilization; Mehlich-1; Triple superphosphate; Adubação corretiva; Superfostato triplo; Resina Trocadora de Ânions.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1052644
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Millet seeds mixed with phosphate fertilizers Scientia Agricola
Soratto,Rogério Peres; Lima,Eduardo do Valle; Mauad,Munir; Villas Boas,Roberto Lyra; Nakagawa,João.
The small size of millet seeds is the main cause for lack of uniformity at sowing, especially because most farmers do not have appropriate seeders. Mixing seeds and phosphate fertilizers would improve seeding, resulting in a better crop stand. To study the effects of such mixture on the physiological quality of seeds, millet seeds were mixed with single superphosphate or triple superphosphate (1 kg of seeds: 2.5 kg of fertilizer), and stored in plastic bags for 0, 6, 12, 24, 48, 72, 96 and 120 hours before sowing, under laboratory conditions. After storage, seeds were separated and their moisture and electrical conductivity were determined. Seeds were then submitted to germination test under laboratory conditions. Seeds mixed with fertilizer and non-mixed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pennisetum glaucum; Germination; Vigor; Single superphosphate; Triple superphosphate.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162003000300024
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Phosphorus Availability for Irrigated Rice Cultivated Under No-Tillage and Different Phosphate Sources. Repositório Alice
FORTES, M. de. A.; SOUSA, R. O. de.; GOMES, A. da. S.; SCHMIDT, F.; SCIVITTARO, W. B.; FERREIRA, L. H. G.; TEIXEIRA, J. B. da. S.; VEÇOZZI, T. A..
bitstream/item/175479/1/Walkyria-Bueno-Scivittaro73015-278733-1-PB-publicado.pdf
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Lowland; Phosphate rock; Triple superphosphate.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1090613
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Resposta de Panicum maximum cv. Tanzânia a fontes e doses de fósforo no estabelecimento. Repositório Alice
CORRÊA, L. de A.; FREITAS, A. R. de; VITTI, G. C..
O objetivo deste estudo foi verificar a resposta do Capim Tanzânia a fontes e doses de fósforo (P) no estabelecimento.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Superfosfato triplo; Superfosfato simples; Fosfato parcialmente acidulado; Graminea forrageira; Triple superphosphate; Single superphosphate; Partially acidulated phosphate; Guinea grass.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/43872
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Synthesis of enriched biochar as a vehicle for phosphorus in tropical soils Acta Amazonica
MATOSO,Stella Cristiani Gonçalves; WADT,Paulo Guilherme Salvador; SOUZA JÚNIOR,Valdomiro Severino de; PÉREZ,Xosé Lois Otero.
ABSTRACT Phosphorus (P) is one of the nutrients that most limits agricultural productivity, especially in tropical soils. Enriched biochar has been proposed to increase the bioavailability of P and other nutrients in the soil. Thus, the objective of this study was to evaluate the availability of P in phosphate biochar (composed of biomass and soil) as a function of the triple superphosphate mixture before and after the pyrolysis process. We produced eight types of enriched biochar via pyrolysis by combining sandy or clayey soil with rice or coffee husk, and by adding triple superphosphate before or after pyrolysis. The heating of the phosphate fertilizer during the pyrolysis process resulted in a higher crystallinity of the phosphates, lower content of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazonian soils; Coffee husk; Rice husk; Pyrolysis; Triple superphosphate; Biochar quality.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000400268
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The effect of filter cakes enriched with soluble phosphorus used as a fertilizer on the sugarcane ratoons Agronomy
Santos, Diego Henriques; Universidade Estadual Paulista; Silva, Marcelo Almeida; Universidade Estadual Paulista; Tiritan, Carlos Sérgio; Universidade Estadual Paulista; Crusciol, Carlos Alexandre Costa; Universidade Estadual Paulista.
The objective of this work was to evaluate the effect of fertilization with filter cakes enriched with soluble phosphate on sugarcane ratoons. The experiment was performed from November 2007 to December 2009 at Presidente Prudente, São Paulo State, Brazil, in a completely randomized block design in a 4 x 4 factorial arrangement, with the first factor consisting of doses of filter cake (0; 1; 2 and 4 mg ha-1) and the second doses consisting of phosphorus fertilizer (0, 50, 100, 200 kg ha-1 of P2O5) with 4 replicates. The following variables were evaluated: the number of tillers per meter, the leaf area index, soluble solids (ºBrix), stalk and sugar yield in the second crop cycle. We found a residual effect in the sugarcane ratoon after applying filter cakes...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Saccharum spp.; Organo-mineral fertilizers; Triple superphosphate; Sugarcane ratoon Saccharum spp.; Organo-mineral fertilizers; Triple superphosphate; Sugarcane ratoon.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/17791
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