AGN 115 exam 4 questions and
answers graded A+
Animals transform plant biomass in useful forms of energy and matter - correct answer ✔✔true
rotational grazing using a greater number of smaller paddocks and higher stock density result in
__________ than continuous grazing - correct answer ✔✔more animal waste distribution;
higher efficiency in use of available forage
The total dis-integration (i.e. most farmers began specializing in either crops or livestock, rather
than producing some of both) of livestock and crops in farming operations came about with the
widespread introduction of specialized machinery, fertilizers, and pesticides following WWII, but
specialization in USA agriculture began decades before that. (Ch. 19) - correct answer ✔✔true
A cover crop that is allowed to grow with the crop is called ____. (Ch. 16) - correct answer
✔✔living mulch
Allelopathy ____. (Cover Crop Lec.) - correct answer ✔✔A.
Is an effect of one species on another through chemicals
B.
Can be used to suppress the germination and growth of weeds
C.
Effectiveness has been observed to change with the plant's stage of growth
answers graded A+
Animals transform plant biomass in useful forms of energy and matter - correct answer ✔✔true
rotational grazing using a greater number of smaller paddocks and higher stock density result in
__________ than continuous grazing - correct answer ✔✔more animal waste distribution;
higher efficiency in use of available forage
The total dis-integration (i.e. most farmers began specializing in either crops or livestock, rather
than producing some of both) of livestock and crops in farming operations came about with the
widespread introduction of specialized machinery, fertilizers, and pesticides following WWII, but
specialization in USA agriculture began decades before that. (Ch. 19) - correct answer ✔✔true
A cover crop that is allowed to grow with the crop is called ____. (Ch. 16) - correct answer
✔✔living mulch
Allelopathy ____. (Cover Crop Lec.) - correct answer ✔✔A.
Is an effect of one species on another through chemicals
B.
Can be used to suppress the germination and growth of weeds
C.
Effectiveness has been observed to change with the plant's stage of growth
