Náttúrufræðingurinn - 1961, Blaðsíða 14

TAFLA 6. Vikuleg meðalgildi (°C) á skráðum lofthita og jarðvegshita í 5 cm, 10 cm og 20 cm dýptum undir
grasi og í moldarflagi. Varmá 1960.
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permanent grass and in cm exposed. Varmá '960.