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Potato yield respon...
Potato yield response to foliar application of phosphorus as affected by soil moisture and available soil phosphorus
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- Ekelöf, Joakim (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Agrosystem
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- Asp, Håkan (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Hortikultur,Horticulture
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- Jensen, Erik Steen (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Agrosystem
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(creator_code:org_t)
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- Informa UK Limited, 2012
- 2012
- Engelska.
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Ingår i: Acta Agriculturae Scandinavica, Section B - Soil and Plant Science. - : Informa UK Limited. - 0906-4710 .- 1651-1913. ; 62, s. 637-643
- Relaterad länk:
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https://res.slu.se/i...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Foliar application of phosphorus (P) may be a supplementary treatment to sustain adequate P-status of potato (Solanum tuberosum L.). However, the prediction of the potential benefits of foliar P supply is difficult, since several factors, such as weather conditions and plant P-status influence the effects. We determined the impact of soil moisture and soil P-supply on the responsiveness to foliar P-application under controlled environmental conditions. Plant dry matter yields, P-accumulation and phosphorus use efficiency (PUE) with or without foliar application were determined at five soil P-levels in combination with two soil moisture levels. The results suggest that water status is of importance for the responsiveness to foliar P-application and may be related to diffusion of P through the leaf cells, which require a good water status. The PUE was significantly improved with irrigation while adding P to the soil decreased the PUE.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Trädgårdsvetenskap/hortikultur (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Horticulture (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Jordbruksvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Agricultural Science (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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