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| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.contributor.author | MELGAR, R. J. | |
| dc.contributor.author | SANCHEZ, P. A. | |
| dc.contributor.author | SMYTH, T. J. | |
| dc.contributor.author | CRAVO, M. da S. | |
| dc.date.accessioned | 2025-12-04T18:51:01Z | - |
| dc.date.available | 2025-12-04T18:51:01Z | - |
| dc.date.created | 2020-01-29 | |
| dc.date.issued | 1991 | |
| dc.identifier.citation | In: McBRIDE, T. P. (Ed.). Tropsoils technical report, 1988-1989. Raleigh: North Carolina State University, 1991. | |
| dc.identifier.uri | http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1119540 | - |
| dc.description | Alluvial soils along the white water rivers; locally known as várzeas, are a major land resource in the Amazon basin. The state of Amazonas in Brazil has about 25 million hectares of such soils. Their high base status, adequate water supply, and eight-month flood-free period provide appropriate conditions for intensive food production in a region dominated by low fertility Oxisols and Ultisols. Total soil N is low in many of these soils, suggesting a potential nutrient deficiency. Yield response to N has been noted to increase during successive com crops in várzea soils. This response would be magnified with the use of improved, high yielding varieties. | |
| dc.language.iso | eng | |
| dc.rights | openAccess | |
| dc.title | Potential productivity and nitrogen-use efficiency of corn and rice in várzeas: M-910C. | |
| dc.type | Parte de livro | |
| dc.subject.thesagro | Solo | |
| dc.subject.thesagro | Arroz | |
| dc.format.extent2 | p. 278-281. | |
| riaa.ainfo.id | 1119540 | |
| riaa.ainfo.lastupdate | 2025-12-04 | |
| dc.contributor.institution | RICARDO J. MELGAR, N.C. STATE UNIVERSITY; P. A. SANCHEZ, N.C. STATE UNIVERSITY; THOMAS JOT SMYTH, N.C. STATE UNIVERSITY; MANOEL DA SILVA CRAVO, UEPAE DE MANAUS. | |
| Aparece en las colecciones: | Capítulo em livro técnico (CPAA)  | |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| 37914.pdf | 1,55 MB | Adobe PDF |  Visualizar/Abrir |
