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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
29/01/2020 |
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Actualizado : |
29/01/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
SAWCHIK, J.; MALLARINO, A.P. |
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Afiliación : |
JORGE SAWCHIK PINTOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANTONIO P. MALLARINO, Dep. of Agronomy, Iowa State Univ., Ames, IA, United States. |
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Título : |
Evaluation of zone soil sampling approaches for phosphorus and potassium based on corn and soybean response to fertilization. |
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Fecha de publicación : |
2007 |
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Fuente / Imprenta : |
Agronomy Journal, November 2007, Volume 99, Issue 6, Pages 1564-1578. Doi: 10.2134/agronj2006.0151 |
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ISSN : |
0002-1962 |
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DOI : |
10.2134/agronj2006.0151 |
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Idioma : |
Inglés |
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Notas : |
Article history: Published November, 2007. |
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Contenido : |
ABSTRACT.
Soil sampling approaches have been compared based on soil-test variation. This study evaluated sampling approaches for P and K based on yield response to fertilization. Strip trials were established on four fields for P and three fields for K managed with corn (Zea mays L.) and soybean (Glycine max L. Merr.) rotations and evaluated 3 or 4 yr (27 site-years). Treatments replicated three to four times were fertilizer and no fertilizer application. Soil test results from a dense grid-point sampling (DG) approach (0.08 to 0.27 ha) were used to simulate six approaches: (i) 1.0-ha grid cells (GC), and zones delineated based on (ii) soil series from digitized survey maps (SMZ); (iii) elevation (EZ); (iv) apparent soil electrical conductivity, ECa (ECZ); (v) EZ and ECZ (EECZ); and (vi) EZ, ECZ, and slope (EECSZ). Grain yield monitors, global positioning systems (GPS), and geographical information systems (GIS) were used to describe crop responses. Estimates of soil-test variation were largest for DG, intermediate for GC, and less for other approaches. Crops responded (P ≤ 0.05) to fertilization in 20 site-years. Sampling approaches DG, GC, EZ, EECZ or EECSZ, ECZ, and SMZ identified a differential within-field yield response in 16, 8, 5, 3, 2, and 2 site-years, respectively. Differential yield responses seldom were explained by zone-mean soil-test values. Zone approaches often identified areas with different yield levels but were less effective than DG or GC at describing within-field variation of soil tests and yield response to fertilization. Zone approaches may be more effective in fields with shorter fertilization histories or soils with more contrast in properties.
© American Society of Agronomy. MenosABSTRACT.
Soil sampling approaches have been compared based on soil-test variation. This study evaluated sampling approaches for P and K based on yield response to fertilization. Strip trials were established on four fields for P and three fields for K managed with corn (Zea mays L.) and soybean (Glycine max L. Merr.) rotations and evaluated 3 or 4 yr (27 site-years). Treatments replicated three to four times were fertilizer and no fertilizer application. Soil test results from a dense grid-point sampling (DG) approach (0.08 to 0.27 ha) were used to simulate six approaches: (i) 1.0-ha grid cells (GC), and zones delineated based on (ii) soil series from digitized survey maps (SMZ); (iii) elevation (EZ); (iv) apparent soil electrical conductivity, ECa (ECZ); (v) EZ and ECZ (EECZ); and (vi) EZ, ECZ, and slope (EECSZ). Grain yield monitors, global positioning systems (GPS), and geographical information systems (GIS) were used to describe crop responses. Estimates of soil-test variation were largest for DG, intermediate for GC, and less for other approaches. Crops responded (P ≤ 0.05) to fertilization in 20 site-years. Sampling approaches DG, GC, EZ, EECZ or EECSZ, ECZ, and SMZ identified a differential within-field yield response in 16, 8, 5, 3, 2, and 2 site-years, respectively. Differential yield responses seldom were explained by zone-mean soil-test values. Zone approaches often identified areas with different yield levels but were less effective than DG or GC at descri... Presentar Todo |
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Palabras claves : |
Fertilizers. |
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Thesagro : |
GLYCINE MAX; ZEA MAYS. |
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Asunto categoría : |
F01 Cultivo |
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Marc : |
LEADER 02450naa a2200205 a 4500
001 1060715
005 2020-01-29
008 2007 bl uuuu u00u1 u #d
022 $a0002-1962
024 7 $a10.2134/agronj2006.0151$2DOI
100 1 $aSAWCHIK, J.
245 $aEvaluation of zone soil sampling approaches for phosphorus and potassium based on corn and soybean response to fertilization.$h[electronic resource]
260 $c2007
500 $aArticle history: Published November, 2007.
520 $aABSTRACT. Soil sampling approaches have been compared based on soil-test variation. This study evaluated sampling approaches for P and K based on yield response to fertilization. Strip trials were established on four fields for P and three fields for K managed with corn (Zea mays L.) and soybean (Glycine max L. Merr.) rotations and evaluated 3 or 4 yr (27 site-years). Treatments replicated three to four times were fertilizer and no fertilizer application. Soil test results from a dense grid-point sampling (DG) approach (0.08 to 0.27 ha) were used to simulate six approaches: (i) 1.0-ha grid cells (GC), and zones delineated based on (ii) soil series from digitized survey maps (SMZ); (iii) elevation (EZ); (iv) apparent soil electrical conductivity, ECa (ECZ); (v) EZ and ECZ (EECZ); and (vi) EZ, ECZ, and slope (EECSZ). Grain yield monitors, global positioning systems (GPS), and geographical information systems (GIS) were used to describe crop responses. Estimates of soil-test variation were largest for DG, intermediate for GC, and less for other approaches. Crops responded (P ≤ 0.05) to fertilization in 20 site-years. Sampling approaches DG, GC, EZ, EECZ or EECSZ, ECZ, and SMZ identified a differential within-field yield response in 16, 8, 5, 3, 2, and 2 site-years, respectively. Differential yield responses seldom were explained by zone-mean soil-test values. Zone approaches often identified areas with different yield levels but were less effective than DG or GC at describing within-field variation of soil tests and yield response to fertilization. Zone approaches may be more effective in fields with shorter fertilization histories or soils with more contrast in properties. © American Society of Agronomy.
650 $aGLYCINE MAX
650 $aZEA MAYS
653 $aFertilizers
700 1 $aMALLARINO, A.P.
773 $tAgronomy Journal, November 2007, Volume 99, Issue 6, Pages 1564-1578. Doi: 10.2134/agronj2006.0151
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| 25. | | DISEGNA, E.; CABRERA, D.; SORIA, J.; FEIPPE, A. La salud está a la vuelta de la manzana: producción, desarrollo del cultivo, estrategias comerciales en el mundo, el enfoque uruguayo El País Agropecuario, 2003, v. 9, no. 98, p. 25-28| Tipo: Artículos en Revistas Agropecuarias |
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| 31. | | CABRERA, D.; SORIA, J.; DISEGNA, E.; PISANO, J.; RODRIGUEZ, P. Sistemas de conducción de duraznero en alta densidad. [resumen] ln: SUH (Sociedad Uruguaya de Horticultura). Congreso Nacional de Horticultura, 7.; Seminario de Liderazgo Profesional, 1., 1999, Montevideo, Uruguay Resúmenes. Montevideo (Uruguay): SUH, 1999. p. 56| Tipo: Abstracts/Resúmenes |
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| 34. | | Cabrera, D.Carrau, F.Rodríguez, P.Soria, J.Disegna, E. Portainjertos para duraznero en la zona litoral norte del país ln: Avances de investigación en frutales de carozo y arándanos: reunión anual, 2000, Salto, Uruguay Trabajos presentados. Las Brujas, Canelones (Uruguay): INIA, 2000. p. 4-7 (INIA Serie Actividades de Difusión ; 237) INIA Salto Grande; INIA Tacuarembó; INIA Las Brujas| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 36. | | DISEGNA, E.; BOIDO, E.; CARRAU, F.; FARIÑA, L.; MEDINA, K.; MÉNDEZ, M.; RODRIGUEZ, P.; DELLACASSA, E. Efectos de la aplicación del regulador de crecimiento 3,5-Dioxo-4Propionilciclohexancarboxilato de calcio (BAS 125) en la producción de uvas, composición del vino y aroma del cv. Tannat (Primera comunicación). Sección I: Metodología y Ecofisiología. In: Jornadas, 13as. (3-8 Feb. 2003 : Montevideo, UY).; GESCO. Libro de actas / GESCO 2003. Uruguay. Montevideo : Banco de Seguros del Estado, 2003. p. 51-55 Organizadores de las XIII Jornadas del GESCO: Milka Ferrer (Fac.Agron. UDELAR); Edgardo Disegna (INIA); Graciela Calero y Emilia Pattarino (Escuela de Vitivinicultura); Julio Borsani, Jorge Fernández y Enrique Mirazo (FUCREA); Ana...| Tipo: Trabajos en Congresos/Conferencias |
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