lec 30

Question 1

what is rice?

Answer 1

a grass!

Question 2

where was rice first domesticated?

Answer 2

china, in the yangtze river around 13 500 years ago

Question 3

tell me about the subspecies of rice

Answer 3

japonica: short grained, sticky when cooked
indica: long grained

Question 4

how important is rice as a crop?

Answer 4

third largest food crop, staple food for more than 3 billion people

Question 5

what are the best growing conditions for growing rice

Answer 5

requires long, hot growing seasons where night time temps stay > 15 degrees

best grown in clay or clay-loam soils

Question 6

rice is labour intensive. thoughts?

Answer 6

rice is labour intensive, so people needed to work together to cultivate it. likely fueled the start of a civilization

Question 7

tell me about rice harvesting

Answer 7

seedlings need to be grown in flooded nurseries before being transferred to paddies

plants grow for 3-4 months before the land is drained

once rice is gathered and threshed, the residue is burned

Question 8

rice harvesting can be bad for the environment. why?

Answer 8

burning rice straw and anaerobic fermentation both release greenhouse gases

Question 9

rice burning is kinda important. why?

Answer 9

rice concentrates arsenic from the ground + irrigation water –> burning releases silicon which mitigates arsenic uptake in rice

also burning eliminates any disease that might be chilling in the soil or residue

Question 10

what are the benefits of rice (lots)

Answer 10

anti inflammatory and gluten free!

vitamin B controls blood sugar and is good for cardiovascular system

good source of protein and carbohydrates

high in fibre, low in sodium and fat and cholesterol

golden rice is high in vitamin A too

Question 11

can rice be grown in alberta?

Answer 11

yeah its possible, but we need some tech

seed film cultivation (SFC) is a biodegradable film layered over moist soil. this helps keep soil warm and prevents moisture loss, which is important bc we have a colder and drier climate

Question 12

what is wild rice?

Answer 12

not rice, but another aquatic grass typically cultivated by indig peoples in north america

Question 13

how nutritious is wild rice?

Answer 13

low calorie + highly nutrient dense, rich in protein

also tastes good!

Question 14

american revolution. tea?

Answer 14

tea.
basically tea was considered a luxury in the 18th century, so it was unreasonably taxed, mostly to fund the war bw england and france. this pissed off the now americans and we have the american revolution.

Question 15

how was tea discovered?

Answer 15

according to legend, emperor shen nong dropped a leaf into his boiling water and he realized the potential

Question 16

what are the ideal conditions for growing tea? where is it usually grown?

Answer 16

• lots of precipitation (minimum monthly 100mm, ideally 150mm)
• high humidity (60-80%)
• high temps to avoid frost (ideally 15-30 degrees)
• acidic pH (4.5 to 6.5)

grown in mountainous regions to make flooding easy, usually in terrace fields w good draininage

Question 17

what are the leaves and flowers of tea trees like?

Answer 17

alternate and serrate leaves, w white bisexual flower

Question 18

what is the manufacturing process for tea like?

Answer 18

picking, withering, rolling, fermenting, drying, baking (sometimes), grading, packing

PLEASE WEIGH REAL FUCKING DUMB BELLS

Question 19

what are the types of tea?

Answer 19

white tea: light and ‘sweetened’ taste, not fermented

green tea: fresh taste, not fermented
oolong tea: strong taste, half fermented-half baked

black tea: light taste, fully fermented

pu-erh tea: very strong taste, fully fermented

Question 20

of the four british tea times, which is most formal? least?

Answer 20

four tea times are breakfast tea, elevenses, afternoon tea, and high tea

afternoon tea is most formal since its rich jobless dickheads