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Abstract
The response of chickpea (Cicer arietinum) to Zn nutrition was studied in pot experiments under natural conditions using four acid soils of northwest Spain during 2007 and 2008. Five concentrations of Zn (0, 1, 2, 4 and 8 mg Zn/pot) were added to the pots as Zn chelate. Chickpea responded to the soil Zn applications and there were highly significant differences between soils. At maturity plants fertilized with Zn had greater total dry matter production mainly due to increments in pods weight. The lowest yield (2.65 g/plant) was obtained from 0 mg Zn/pot, while the highest yield (3.52 g/plant) was recorded at 4 mg Zn/pot. The increased yields in Zn applied plants was the result of increased number of pods per plant. Furthermore, this yield component was closely correlated with the seed yield.
Highlights
The response of chickpea (Cicer arietinum) to Zn nutrition was studied in pot experiments under natural conditions using four acid soils of northwest Spain during 2007 and 2008
Chickpea (Cicer arietinum L.) is the principal grain legume crop grown in the Mediterranean region, being Spain a major European chickpea-producing country
Widespread deficiencies in mineral nutrients in the soils, together with low moisture supply are considered the major environmental stresses leading toward yield loss in chickpea (Khan, 1998)
Summary
The response of chickpea (Cicer arietinum) to Zn nutrition was studied in pot experiments under natural conditions using four acid soils of northwest Spain during 2007 and 2008. Additional key words: Kabuli type chickpea, pot experiments, yield components. Soils with more sand and less organic matter produce lower yields related to poor utilization of Zn (Singh and Ram, 1996). This work was conducted to determine the effect of soil Zn applications on growth and seed yield of Kabuli chickpea grown in acidic soils.
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