SciELO - Scientific Electronic Library Online

 
vol.14 número3Biometric and biochemical attributes of alfalfa seedlings as indicators of stress induced by excessive cadmiumResponse of bacterial community to simulated nitrogen deposition in soils and a unique relationship between plant species and soil bacteria in the Songnen grassland in Northeastern China índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

  • En proceso de indezaciónCitado por Google
  • No hay articulos similaresSimilares en SciELO
  • En proceso de indezaciónSimilares en Google

Compartir


Journal of soil science and plant nutrition

versión On-line ISSN 0718-9516

Resumen

CANASVERAS, J.C; DEL CAMPILLO, M. C; BARRON, V  y  TORRENT, J. Intercropping with grasses helps to reduce iron chlorosis in olive. J. Soil Sci. Plant Nutr. [online]. 2014, vol.14, n.3, pp.554-564.  Epub 02-Ago-2014. ISSN 0718-9516.  http://dx.doi.org/10.4067/S0718-95162014005000044.

Grasses are more efficient than dicots in acquiring Fe from calcareous soils. We studied whether intercropping with grasses alleviates Fe chlorosis in olive and whether the effect persists in succeeding dicot crops. Three different pot experiments were conducted. In the first, olive plants were intercropped with 6 different grass species (purple false brome, annual ryegrass, compact brome, goatgrass, barley and red fescue); in the second, the two species best performing in the previous experiment were studied in various calcareous soils and; in the third, chickpea and peanut were grown in pots previously used to cultivate the two grasses. Intercropping with purple false brome and barley increased leaf chlorophyll concentrations and/or boosted growth of olive trees on three different calcareous soils. Olive growth was adversely affected by intercropping in one soil as a result of competition for water. Intercropping increased Fe, Mn, Cu and Zn leaf contents in olive. Also, grass cropping generally raised available levels of soil Fe, Mn, Cu and Zn; this effect, however, resulted in no substantial alleviation of Fe chlorosis in succeeding chickpea or peanut crops. Intercropping with purple false brome and barley appears to be a promising remedy for Fe chlorosis in olive orchards affected by Fe chlorosis.

Palabras clave : Calcareous soils; gramineae; iron chlorosis; iron deficiency; intercropping; phytosiderophores.

        · texto en Inglés     · Inglés ( pdf )