Artículo
Yield and Quality of Wheat and Soybean in Sole- and Double-Cropping
Fecha de publicación:
05/2011
Editorial:
American Society of Agronomy
Revista:
Agronomy Journal
ISSN:
0002-1962
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
In temperate environments, the wheat-soybean [Triticum aestivum L.- Glycine max (L.) Merr.] double-crop system oft en improves the capture and use efficiency of radiation and water in relation to single crops. Here we assessed the yield and quality of wheat and soybean in relay and sequential double-crops as compared with control sole-crops in the southeastern Pampas of Argentina during two seasons (2000/2001-2001/2002). Soybean controls included crops sown on optimum dates or on dates coincident with those of double-crops. Wheat grain yield and protein concentration were similar in both sowing arrangements of relay (skip row, where one wheat row out of four was unsown) and sequential (solid-seeded) double-crops (yield: 4070 vs. 4100 kg grain ha-1; protein: 164 vs. g kg -1). Yields of relay cropped soybean were 74 to 77% of their respective controls sown on the same date. In contrast, yields of sequentially cropped soybean were 85 to 110% of controls sown on the same date. The land equivalent ratio did not differ between cropping strategies and ranged from 1.58 to 1.82. In comparison to sole-crops, double-cropping increased grain yield and glucose equivalent yield by 58 to 82% and harvest residues by 91 to 143%. Late sowing reduced oil concentration of soybean seed in Year 2, when temperature during seed filling accounted for 58% of the variation in oil concentration. Early growing conditions were critical to the yield of double-cropped soybean. Management of the cropping system to increase soybean shoot biomass at first flower (R1) could further enhance the production and environmental benefits of double crops in temperate environments.
Palabras clave:
DOUBLE CROPPING
,
SOYBEAN
,
MAIZE
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CCT - MAR DEL PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - MAR DEL PLATA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - MAR DEL PLATA
Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Caviglia, Octavio Pedro; Sadras, Victor O.; Andrade, Fernando Héctor; Yield and Quality of Wheat and Soybean in Sole- and Double-Cropping; American Society of Agronomy; Agronomy Journal; 103; 4; 5-2011; 1081-1089
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