The effect of different rates and forms of sulfur on seed yield and micronutrient uptake by chickpea

M. Islam
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M. Islam: National Fertilizer Development Centre, Islamabad, Pakistan

Plant, Soil and Environment, 2012, vol. 58, issue 9, 399-404

Abstract: Field experiments were conducted at two different locations (Barani Agricultural Research Institute Chakwal and farm field Talagang, district Chakwal) for two crop-growing seasons in northern rainfed Punjab, Pakistan to assess the yield and micronutrient uptake of chickpea (Cicer arietinum). The treatments were four combinations of two levels of sulfur (15 and 30 kg/ha) from two sources (gypsum and ammonium sulfate) and a no-sulfur control. Application of sulfur resulted in a significant increase in seed yield up to 17% over control. Ammonium sulfate was a more efficient source of sulfur as compared to gypsum at both the locations. Sulfur application resulted in a significant increase in micronutrient uptake by plant; however effect of sulfur application on soil pH at the end of experiment was not significant. Availability of soil zinc and copper increased with sulfur application at the end of two year experiment. Tissue copper and iron and soil available copper and iron correlated negatively with soil pH. Sulfur should be applied to chickpea grown under rainfed conditions in order to increase seed yield, to improve nutritional composition of product and to enhance efficiency of other fertilizers.

Keywords: Cicer arietinum; soil reaction; gypsum; ammonium sulfate; soil fertility (search for similar items in EconPapers)
Date: 2012
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DOI: 10.17221/145/2012-PSE

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