vegetables and crops management Flashcards
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vegetables
source of food
growth cycle of vegetables
annuals, biennials, perennial
herbaceous
no woody stems above the ground
domestic consumption
cabbages, tomatoes, garlic
export purposes
green beans, peas
smallholder farmer
that own an average landholding size of 0.9 hectare
major vegetables exported
tomato and chili
tomato and chili
iron, zinc, iodine
beta carotene
for the visual process of our eye
leguminous and leafy plants
good source of protien
Agro ecology
the relationship between organisms and their physical environment
alpine climate
a climate of highlands
humid tropics
regions with relatively high temperature
Photosynthesis, respiration and transpiration increase
With increase in temperature
temperate regions crops
lower temperature requirements
tropic regions crops
warmer temperature requirements
chilling injury
Tropical and sub-tropical vegetables may be damaged at temperatures below 10 0C
vernalization
Some vegetable crops require exposure to low temperature before moving from vegetative to reproductive growth stages. eg: the biennials
critical growth stage
flowering, seed setting and germination
succulent
a plant like cactus in which the leaves and stems are thick and can store a lot of water
light
the key element for photosyntesis
Long-day plants
flower when the night is short
Short day plants
flower when the night is long
day neutral plant
plants that are not affected by day length
humidity
the amount of water vapour in the atmosphere
