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NLM114388415 |
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DE-627 |
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20250202194810.0 |
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tu |
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231222s1994 xx ||||| 00| ||eng c |
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|a pubmed25n0382.xml
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|a (DE-627)NLM114388415
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|a (NLM)11540952
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Frick, J
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Yield and seed oil content response of dwarf, rapid-cycling Brassica to nitrogen treatments, planting density, and carbon dioxide enrichment
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| 264 |
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1 |
|c 1994
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 22.09.1998
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| 500 |
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a Effects of N level (15 to 30 mM), time of N increase (14 to 28 days after planting), and planting density (1163 to 2093 plants/m2) were determined for crop yield responses of dwarf, rapid-cycling brassica (Brassica napus L., CrGC 5-2, Genome: ACaacc). Crops were grown in solid-matrix hydroponic systems and under controlled-environment conditions, including nonsupplemented (ambient) or elevated CO2 concentrations (998 +/- 12 micromoles mol-1). The highest seed yield rate obtained (4.4 g m-2 day-1) occurred with the lowest N level (15 mM) applied at the latest treatment time (day 28). In all trials, CO2 enrichment reduced seed yield rate and harvest index by delaying the onset of flowering and senescence and stimulating vegetative shoot growth. The highest shoot biomass accumulation rate (55.5 g m-2 day-1) occurred with the highest N level (30 mM) applied at the earliest time (day 14). Seed oil content was not significantly affected by CO2 enrichment. Maximum seed oil content (30% to 34%, dry weight basis) was obtained using the lowest N level (15 mM) initiated at the latest treatment time (day 28). In general, an increase in seed oil content was accompanied by a decrease in seed protein. Seed carbohydrate, moisture, and ash contents did not vary significantly in response to experimental treatments. Effects of N level and time of N increase were consistently significant for most crop responses. Planting density was significant only under elevated CO2 conditions
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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4 |
|a NASA Discipline Life Support Systems
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| 650 |
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4 |
|a Non-NASA Center
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| 650 |
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7 |
|a Culture Media
|2 NLM
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| 650 |
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7 |
|a Plant Oils
|2 NLM
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| 650 |
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7 |
|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 650 |
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7 |
|a Nitrogen
|2 NLM
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| 650 |
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7 |
|a N762921K75
|2 NLM
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| 700 |
1 |
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|a Nielsen, S S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mitchell, C A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mitchell, C A
|e investigator
|4 oth
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of the American Society for Horticultural Science. American Society for Horticultural Science
|d 1984
|g 119(1994), 6 vom: 17. Nov., Seite 1137-43
|w (DE-627)NLM098182366
|x 0003-1062
|7 nnns
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| 773 |
1 |
8 |
|g volume:119
|g year:1994
|g number:6
|g day:17
|g month:11
|g pages:1137-43
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| 912 |
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|a GBV_USEFLAG_A
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| 912 |
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|a SYSFLAG_A
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| 912 |
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|a GBV_NLM
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| 912 |
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 119
|j 1994
|e 6
|b 17
|c 11
|h 1137-43
|