Uniform potato quality with site-specific potassium application

L. Wijkmark; R. Lindholm; K. Nissen

Uniform potato quality with site-specific potassium application

In: Precision Agriculture â05

Authors:

L. Wijkmark

L. Wijkmark ¹Rural Economy and Agricultural Society of Halland, Lilla BÃ¶slid, Eldsberga, Sweden
lars.wijkmark@hs.halland.net

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R. Lindholm

R. Lindholm ¹Rural Economy and Agricultural Society of Halland, Lilla BÃ¶slid, Eldsberga, Sweden
rolf.lindholm@hs.halland.net

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, and

K. Nissen

K. Nissen ²Swedish Farmers Supply and Crop Marketing Association, LidkÃ¶ping, Sweden
knud.nissen@lantmannen.se

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Type:: Chapter

Pages:: 393â400

DOI:: https://doi.org/10.3920/978-90-8686-549-9_049

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This paper focuses on the economic and qualitative effects of site-specific application of potassium to potato fields as seen from the farmerâs perspective.

In 2002, a pilot study was carried out to investigate what effect site-specific potassium application has on potato quality. In 2003, three ordinary plot trials with different potassium applications were performed on one potato field and, in 2004, the trial was performed once again, this time in a different field. The trials showed that site-specific potassium application led to improved potato quality with regards to after-cooking darkening, strong sogginess and weak sogginess. On the other hand, site-specific potassium application had no influence on yield levels. In the trials, a benefit up to 600 â¬/ha was achieved in the field sections with the largest divergence from the mean amount of fertiliser potassium.

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Precision Agriculture â05

E-Book ISBN:: 9789086865499

Publisher:: Wageningen Academic

Print Publication Date:: 24 Oct 2005

Subjects
- Life Sciences
  - General
  - Agriculture & Environment

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Uniform potato quality with site-specific potassium application

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