QUESTION DIGEST WITH CORRECT
SOLUTIONS
◉what goes into soil preparation when establishing a vineyard?.
Answer: - rock removal
- subsoiling
- root removal
- weed management
- manure/compost/fertilizers
- ploughing
- pH adjustment
- landscaping
◉what considerations should be made when selecting planting
material for a new vineyard? (14). Answer: - time of budding
- ripening duration & timing
- drought tolerance
- disease resistance
- winter hardiness
,- vigour
- wine style
- Yield
- cost
- laws
- availability
- market demand
- clones
- rootstock (based on pests, water, pH, vigour)
◉what 4 things are soil health dependent on?. Answer: - structure
- organic matter amount
- organisms
- nutrients
◉why is weed removal advantageous?. Answer: - eliminate
undesirable competition
- bare, moist soils are best at absorbing heat during the day -> lower
frost risk
- weeds hamper passage of machinery and personnel
, ◉what are organic fertilizers? what are their benefits? what are
their detriments?. Answer: - derived from fresh or composted plant
or animal material, such as manure or slurry
- cheap/free; high in humus; nutrition for soil organisms
- need to be incorporated into the soil (labor); can be bulky
◉what are mineral fertilizers? what are their benefits? detriments?.
Answer: - extracted from the ground or chemically manufactured
- can be more tailored than organic fertilisers (can be one or several
nutrients); already in inorganic form -> more readily available; easy
to spread
- more expensive than organic fertilizers
◉define cultivation. what are advantages?. Answer: - a method of
weed control that involves ploughing the soil to cut or disturb the
weeds' root systems
- no chemicals, incorporates fertilizers
- can damage soil structure, costly, encourages weeds, can increase
vine vigor (no competition for water & nutrients)
◉what are the 3 types of herbicides?. Answer: - Pre-emergence
herbicides (sprayed before weeds are established)
- Contact herbicides (sprayed on established weeds, kill green parts
they touch)