Viticulture Ch 5 Flashcards
What are the 3 layers of soil?
Topsoil
Subsoil
Subsolum
What is the most important and defining element of soil
Structure and texture
What are mycorrhizae?
Mutualistic association between a fungus and plant allowing them to take up minerals in which the roots might not be able to reach
What are Protozoa?
Single cell organisms in the soil that are vital to the breakdown of plant matter
What is green manuring?
Planting green crops in the vineyard to provide material for humus production
What is humus?
Organic material in soil usually plant matter
What is the term for bunch thinning?
Vendange en vert
What is the most critical factor in quality
All things equal it is YIELD
Name a fabled vintage coming from young vines
Stags leap Cab 1973 (coming from vines planted in 1970)
1961 Bordeaux right bank (many vines planted in 1957, 1958)