where does our food come from? Flashcards
1
Q
why do we farm? [1]
A
to produce enough food to feed the population
2
Q
what is intensive farming? [1]
A
(factory farming) high productivity from a relatively small piece of land
3
Q
what is productivity? [1]
A
amount of food produced
4
Q
what are the crop productivities of intensive farming? [3]
A
-use of chemical fertilisers and pesticides
-high yield crops
-development of technology
>glasshouses
> hydroponics –> longer growing seasons
5
Q
what are the meat productivities of intensive farming? [3]
A
-use of growth hormones and antibiotics
-livestock reared indoors
>caged
>barn
>indoors
6
Q
what do hydroponic systems include? [5]
A
*artificial light
*controlled temperature
*no soil
*recirculated water (less water)
*nutient feed
