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Record #110382:
- #110382
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MARC recordLong-term monitoring of nitrate reductase activity in the needles of Pinus sylvestris in the context of environmental temperature and ground frost as an indicator of nitrogen balance in N. Finland / Pekka Pietiläinen, Jarmo Poikolainen, Pekka Lähdesmäki.
| Title: | Long-term monitoring of nitrate reductase activity in the needles of Pinus sylvestris in the context of environmental temperature and ground frost as an indicator of nitrogen balance in N. Finland / Pekka Pietiläinen, Jarmo Poikolainen, Pekka Lähdesmäki. |
| Author(s): | Pietiläinen, Pekka. Poikolainen, Jarmo. Lähdesmäki, Pekka. |
| Date: | 1991. |
| In: | Annales Botanici Fennici. (1991.), Vol. 28(2) (1991) |
| Abstract: | Needle samples were taken from peatland area of Muhos research station (65° 52′ N). Nitrate reductase activity in needles showed seasonal fluctuations, being very low in June-August and reaching maxima (1-2 nkat) during September-March. Activity was greatly dependent on frost and temperature conditions. In 1987 summer was cold; imbalance continued into 1988. Growth of pines suffered serious setback and many trees died. |
| Notes: | Annales Botanici Fennici. Vol. 28(2) :131-134 (1991). |
| Keywords: | 54 -- Chemistry. 546.175 -- Nitrates. 551.524.36 -- Air temperatures. Maxima and minima. 551.524.37 -- Frosts. 582.475 -- Pinaceae: Pinus sylvestris. G -- Botany. (*56) -- Finland. |
| SPRI record no.: | 110382 |
LDR 01502naa#a2200000#a#4500 001 SPRI-110382 005 20230331174408.0 007 ta 008 230331s1991####xx#a##|##|###|0||#0|eng#d 035 ## ‡aSPRI-110382 040 ## ‡aUkCU-P‡beng‡eaacr 100 1# ‡aPietiläinen, Pekka. 245 10 ‡aLong-term monitoring of nitrate reductase activity in the needles of Pinus sylvestris in the context of environmental temperature and ground frost as an indicator of nitrogen balance in N. Finland /‡cPekka Pietiläinen, Jarmo Poikolainen, Pekka Lähdesmäki. 260 ## ‡a[S.l.] :‡b[s.n.],‡c1991. 300 ## ‡ap. 131-134 :‡bdiag. 500 ## ‡aAnnales Botanici Fennici. Vol. 28(2) :131-134 (1991). 520 3# ‡aNeedle samples were taken from peatland area of Muhos research station (65° 52′ N). Nitrate reductase activity in needles showed seasonal fluctuations, being very low in June-August and reaching maxima (1-2 nkat) during September-March. Activity was greatly dependent on frost and temperature conditions. In 1987 summer was cold; imbalance continued into 1988. Growth of pines suffered serious setback and many trees died. 650 07 ‡a54 -- Chemistry.‡2udc 650 07 ‡a546.175 -- Nitrates.‡2udc 650 07 ‡a551.524.36 -- Air temperatures. Maxima and minima.‡2udc 650 07 ‡a551.524.37 -- Frosts.‡2udc 650 07 ‡a582.475 -- Pinaceae: Pinus sylvestris.‡2udc 650 07 ‡aG -- Botany.‡2local 651 #7 ‡a(*56) -- Finland.‡2udc 700 1# ‡aPoikolainen, Jarmo. 700 1# ‡aLähdesmäki, Pekka. 773 0# ‡7nnas ‡tAnnales Botanici Fennici. ‡gVol. 28(2) (1991) ‡wSPRI-39369 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20230331