Influence of compost application on growth and phosphorus exploitation of ryegrass (Lolium perenne L.)

H.W. Scherer
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H.W. Scherer: Agricultural Faculty of the University of Bonn, Germany

Plant, Soil and Environment, 2004, vol. 50, issue 12, 518-524

Abstract: Information on the availability of P following compost addition to soil may help to a better management of P fertilization of the crop in respect to plant growth and the environment. Therefore a greenhouse experiment was conducted to investigate the effect of compost within the official classes of stability III and V on growth and P exploitation of ryegrass (Lolium perenne L. cv. Turilo). The following result was obtained: As compared to a control without P application, compost application resulted in a significant yield increase. Application of composts of the official class of stability V resulted in higher yields as compared with the application of compost of the official class of stability III. P uptake of ryegrass was higher in the treatments in the class of stability V. Based on CAL-extractable compost P exploitation of P ranged between 8.5 and 104.0% in the first year of compost application and in total (sum of two years) 37.8 and 204.5%. P exploitation on the basis of total compost P ranged between 3.6 and 22.1%.

Keywords: compost application; phosphorus; availability; exploitation; ryegrass; yield formation (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:50:y:2004:i:12:id:4068-pse

DOI: 10.17221/4068-PSE

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