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POMOLOGIST [2 records]

Record 1 2025-12-30

English

Subject field(s)
  • Atmospheric Physics
  • Plant and Crop Production
DEF

That warmest part of a slope above a valley floor lying between the layer of cold air that forms over the valley floor on calm, clear nights and the cold hilltops or plateaus.

CONT

Silas McDowell(1795-1879) was a southern pomologist and a botanist of renown... during the 1850s.... He was the originator of the "thermal belt" concept which is a zone on a mountainside where frost and freezes are less common than in the valleys and on the mountaintops.

OBS

The air flowing down the slopes is warmed by mixing with the air above ground level and to some extent also by adiabatic compression. The frostless zone is not a fixed belt but varies in level from night to night and season to season according to the initial temperature, the length of the night, and the clearness of the sky. Its lower limit is sometimes clearly marked by the upper limit of frost damage to crops, following the hillsides at a small angle to the horizontal.

French

Domaine(s)
  • Physique de l'atmosphère
  • Cultures (Agriculture)
DEF

Partie la plus chaude d'une pente au-dessus du fond d'une vallée, située entre la couche d'air froid qui se forme au fond de la vallée par nuit claire et calme et les sommets froids ou les plateaux.

Spanish

Campo(s) temático(s)
  • Física de la atmósfera
  • Producción vegetal
CONT

Si vives en una zona libre de heladas, la zanahoria es una buena opción, puedes sembrarla casi todo el año.

Save record 1

Record 2 2007-05-07

English

Subject field(s)
  • Culture of Fruit Trees
  • Horticulture
DEF

A person who is versed in pomology.

French

Domaine(s)
  • Arboriculture fruitière
  • Horticulture
DEF

Personne qui s'occupe de pomologie.

Spanish

Campo(s) temático(s)
  • Fruticultura
  • Horticultura
Save record 2

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