SCSC 311 Soybeans Exam Questions and Answers All Correct
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SCSC 311 Soybeans
SCSC 311 Soybeans Exam Questions and Answers All Correct
Where did soybeans evolve in and where did they move to before recored history - Answer- china, manchuria
soy bean scientific name - Answer- glycine max
what are the top 4 importers of soybeans - Answer- china, mexico, european union,...
SCSC 311 Soybeans Exam
Questions and Answers All
Correct
Where did soybeans evolve in and where did they move to before recored history -
Answer- china, manchuria
soy bean scientific name - Answer- glycine max
what are the top 4 importers of soybeans - Answer- china, mexico, european union,
japan
what percent of soybean does the us export each year - Answer- 35 to 45%
what year were the first soybean crushed in the us in seattle, Washington and where
were they from? - Answer- 1911, manchruia
what year and what city were the first us produced soybeans crushed in - Answer-
1916, elizabeth city, north carolina
in 1917 in chicago heights, il what new technology was found to crush soybeans -
Answer- plant with expeller and hydraulic equipment
what were the problems with the plant with expeller and hydraulic equipment - Answer- -
low oil yield from crushing alone
- inconsistent supply of beans in 1910s
-no market for soybean oil and meal it was a new crop
in 1934 what commercialized to improve oil retrieval? - Answer- solvent extraction
what are the whole soybean products - Answer- soy sprouts, full fat soy flour, roasted
soybean
what are the soybean meal products - Answer- edible, industrial, feed uses
, what are the soybean oil uses and products - Answer- glycerol, fatty acids, sterols,
refined oil
plants evolving in the tropics are usually _______sensitive which means they require a
certain amount of night length in order for floral initiation to occur - Answer- photoperiod
although the origin of soybeans is considered not tropical its center of diversity extends
from _____ to ______ thus placing it into a possible tropical origin - Answer- china to
australia
True or false- the soybean genius contains both photosensitive and nonphotosensitive
types determinate and indeterminate - Answer- true
what factors affect cultivar choice - Answer- - length of growing season
-desired harvest time
-maturity group
early maturity group determinate cultivars should be plated - Answer- early
late maturity group cultivars should be planted - Answer- later
what are some factors that affect late maturity group cultivars - Answer- -remain
vegetative longer and therefore increase yield potential
-more comptetive with weeds
- tend to perform better in poorer soils
when do indeterminate types in southern states get planted - Answer- very early
what temperature should the soil be to plant soybeans in the northern states - Answer-
55 F
what temperature should the soil be in southern states for soybean planting - Answer-
65 F with a good 5 day forecast
what factors should you adjust in sb for later planting - Answer- increase seeding rates
to offset reduced plant size
full tillage in soybeans advantages same as cotton - Answer- field sanitation, seed
control
reduced incidence of diseases and insects
good seed soil contact
soil tilth
ease of seed placement
reduced or conservation tillage in soybeans - Answer- conserves fuel
improves trafficability in wet weather
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