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Sökning: id:"swepub:oai:DiVA.org:kth-22383" > Temporal robustness...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002715naa a2200469 4500
001oai:DiVA.org:kth-22383
003SwePub
008100810s2003 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-223832 URI
024a https://doi.org/10.1023/A:10230040246532 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Ben-Gal, A.4 aut
2451 0a Temporal robustness of linear relationships between production and transpiration
264 1c 2003
338 a print2 rdacarrier
500 a QC 20100525
520 a Seasonal dependence of biomass production on transpiration has been previously reported for a number of crops under salinity and drought. Linear yield (Y) to transpiration ( T) relationships have been utilized in plant-growth and water-uptake models to estimate yield based on predicted transpiration values. The relationship is often employed for time steps that are very small compared with the whole season measurements, even though no empirical validation exists for such application. This work tests the hypothesis that linear Y-T relationships are valid throughout the life span of crops under varied natural conditions and levels of environmental stress. Effects of salinity and water supply on growth, water use and yields of tomatoes ( Lycopersicon esculentum Mill.) were studied for two distinct conditions of potential transpiration. Linear relationships between relative Y and relative ET were found to be consistent throughout the life span of the crops for both growing seasons. Water-use efficiency increased together with plant growth as a result of changes in the plant's surface area to volume ratio. This empirical validation of linear Y-T relationships for short time periods is beneficial in confirming their usefulness in growth and water uptake models.
653 a Lycopersicon esculentum
653 a plant growth
653 a transpiration
653 a water uptake
653 a yield
653 a salt tolerance
653 a water
653 a model
653 a salinity
653 a field
653 a boron
653 a crops
653 a plant
653 a yield
700a Karlberg, L.4 aut
700a Jansson, Per-Erik.u KTH,Mark- och vattenteknik4 aut0 (Swepub:kth)u1rtodsk
700a Shani, U.4 aut
710a KTHb Mark- och vattenteknik4 org
773t Plant and Soilg 251:2, s. 211-218q 251:2<211-218x 0032-079Xx 1573-5036
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-22383
8564 8u https://doi.org/10.1023/A:1023004024653

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