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https://hdl.handle.net/2440/69322
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dc.contributor.author | McBeath, T. | - |
dc.contributor.author | McLaughlin, M. | - |
dc.contributor.author | Noack, S. | - |
dc.date.issued | 2011 | - |
dc.identifier.citation | Crop and Pasture Science, 2011; 62(1):58-65 | - |
dc.identifier.issn | 1836-5795 | - |
dc.identifier.issn | 1836-5795 | - |
dc.identifier.uri | http://hdl.handle.net/2440/69322 | - |
dc.description.abstract | It is important to apply phosphorus (P) to the soil at the beginning of the crop growth cycle to provide essential P for early growth and to replace P exported in previous crops. With low rates of P added at sowing there may be sufficient P supply to grow crops to tillering, but in seasons of increased yield potential a top-up application of P may be required. Foliar P can be applied directly to the plant when required and in some cases have been shown to provide benefits for increasing P-use efficiency and the P concentration in grain. Wheat (Triticuum aestivum cv. Frame) was grown in two soils of marginal P status with soil moisture maintained at 80% of field capacity. Seven foliar P treatments labelled with 33P as a tracer were applied at Zadoks growth stage 39, at 1.65 kg P/ha with 120 L water/ha equivalent. Grain, chaff and shoots were harvested to measure yield and then digested to measure P concentrations and 33P activities. There was no crop response to top-up soil or foliar P on one soil, but on the other soil, foliar phosphoric acid plus adjuvant gave a 25% wheat grain yield response. The use of the tracing technique enabled measurement of the portioning of foliar P fertiliser between stem, chaff and grain. The most responsive treatment had the greatest amount of grain P uptake and the greatest partitioning of the foliar P fertiliser to grain. | - |
dc.description.statementofresponsibility | T. M. McBeath, M. J. McLaughlin, and S. R. Noack | - |
dc.language.iso | en | - |
dc.publisher | CSIRO Publishing | - |
dc.rights | Copyright CSIRO 2011 | - |
dc.source.uri | http://dx.doi.org/10.1071/cp10237 | - |
dc.subject | dryland cereals | - |
dc.subject | fertilisers | - |
dc.subject | isotopic tracing | - |
dc.subject | nutrient management | - |
dc.title | Wheat grain yield response to and translocation of foliar-applied phosphorus | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1071/CP10237 | - |
dc.relation.grant | ARC | - |
dc.relation.grant | http://purl.org/au-research/grants/arc/LP0882492 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | McBeath, T. [0000-0001-6423-367X] | - |
dc.identifier.orcid | McLaughlin, M. [0000-0001-6796-4144] | - |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest Environment Institute publications |
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