Effect of combined fertilization with rock phosphate and elemental sulphur on yield and nutrient uptake of soybean

Sahar Brahim, Anne Niess, Matthias Pflipsen, Daniel Neuhoff and Heinrich Scherer
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Sahar Brahim: Instituteof Organic Agriculture, Bonn, Germany
Anne Niess: Instituteof Organic Agriculture, Bonn, Germany
Matthias Pflipsen: Instituteof Organic Agriculture, Bonn, Germany
Daniel Neuhoff: Instituteof Organic Agriculture, Bonn, Germany
Heinrich Scherer: Instituteof Crop Science and Ressource Conservation (INRES-Plant Nutrition), University of Bonn, Bonn, Germany

Plant, Soil and Environment, 2017, vol. 63, issue 2, 89-95

Abstract: Greenhouse pot experiments were carried out in 2013 and 2014 at the University of Bonn, Germany, to study the effect of combined fertilization of rock phosphate (RP) with elemental sulphur (ES) on growth, grain yield and nutrient uptake of soybean. Treatments included RP, ES, combined application (RPES), triple superphosphate (SP), magnesium sulphate (MgS), SP and magnesium sulphate (SPMgS) and an unfertilized control. Combined fertilization (RPES) resulted in a significant increase of soil-plant analysis development (SPAD) values, grain yield, yield components and nitrogen and in part phosphorus uptake of the shoot. Single application of RP or ES only tended to affect crop growth and nutrient uptake. Application of MgS and/or SP significantly increased grain yield in both years suggesting an effect of sulphate.

Keywords: pot trials; organic farming; phosphorous deficiency; Glycine max (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:63:y:2017:i:2:id:22-2017-pse

DOI: 10.17221/22/2017-PSE

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