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231225s1995 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1995.tb04332.x
|2 doi
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|e rakwb
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|a eng
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|a Thornton, B
|e verfasserin
|4 aut
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|a Effects of nitrogen supply on the seasonal re-mobilization of nitrogen in Ulex europaeus
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|c 1995
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Nodulated plants of Ulex europaeus L. (gorse) were grown over two seasons in sand. Nutrients were supplied as solutions containing either 0-25 mol m-3 NO3 -> , 5·0 mol m-3 NO3 , 0·25 mol m-3 NH4 -+ or 5·0 mol m-3 NH4 + , as Ca(NO3 )2 or (NH4 )2 SO4 . In the first season all nitrogen (N) was enriched with 15 N to 5 atom %. In the second season half the plants received the same solution, while the remaining plants received a similar solution in terms of form and amount of nitrogen but at natural abundance. Throughout the second season eight destructive harvests were performed. Plants were separated into roots, nodules, previous season's shoot, new shoot and flowers, and then analysed for total N and 15 N content. This allowed estimates to be made of total root N uptake, N2 fixation and the contribution of re-mobilization to the nitrogen content of new shoot growth in the second season. The main source of N was N2 fixation for plants receiving a low supply of N and root uptake for plants receiving a high supply of N. Plants supplied high NH4+ stored more N over winter than did plants given other treatments. The proportion of over-wintering stores that were re-mobilized to support spring shoot growth was unaffected by the capacity of the plants for N2 fixation
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| 650 |
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4 |
|a Journal Article
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| 650 |
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|a Leguminosae
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| 650 |
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4 |
|a N2 fixation
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| 650 |
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4 |
|a Ulex europaeus (gorse)
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| 650 |
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4 |
|a nitrogen
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| 650 |
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4 |
|a re-mobilization
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| 700 |
1 |
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|a Millard, P
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tyler, M R
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 130(1995), 4 vom: 20. Aug., Seite 557-563
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:130
|g year:1995
|g number:4
|g day:20
|g month:08
|g pages:557-563
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|u http://dx.doi.org/10.1111/j.1469-8137.1995.tb04332.x
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|d 130
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|h 557-563
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