Lecture 12 Flashcards
How many acres do the top 5 crops take up in the US
More than 275
How many of the top 5 crops are harvested for their seeds
4
What is the only top 5 crop not harvested for its seeds
Hay
The ____ portion of corn, soy, wheat, and cotton can be used to produce bioenergy
Lignocellulosic
Top producer of corn in the world
Corn
How many farms grow corn
400,000
What percentage of the corn produced is used to feed animals
~80%
Nongrain portion of corn
Corn stover
What is corn stover commonly used for
Cattle feed
What does removal of stover do to the quality and erosion of soil
Unknown
What takes up more acres in the US, soybeans or corn
Equal
How many farms produce soybeans in the US
350,000
Soybean oil represents ___% of all edible oil produced in the US
79%
How many tons of soy meal are used to feed livestock annually
30 million
How many farms produce wheat in the US
240,000
What % of the world’s wheat is produced in the US
13%
How much of the wheat in the US is used for human food
70%
How much of the wheat in the US is used for animal feed
22%
How much of the wheat in the US is used for seed
8%
What part of wheat has value as a bioenergy feedstock
Straw
Other uses of straw in wheat
Feed for livestock, bedding for animals, shoes, roofing material, specialty products
How many farms produce cotton in the US
32,000
What percent of the world’s cotton supply is produced in the US
20% (over 7 billion pounds a year)
Breakdown of cotton uses
60% clothing
28% home furnishings
8% industrial products
