Cca International Exam, 64 Questions
With 100% Correct Answers 2024.
Which of the following is not considered when comparing a crop rotation with a monoculture?
a. sociological consequences
b. IPM
c. labor and equipment needs
d. yields
a. sociological consequences
Which of the following is an advantage of a crop rotation over a monoculture?
a. higher level of management required
b. timing fertilizer and pesticide application easier
c. less equipment needs
d. risk spread across more than one commodity
d. risk spread across more than one commodity
Which of the following is a limitation of crop rotation over a monoculture?
a. more equipment needed
b. lower level of management required
c. yield of all crops in the rotation increase
d. irrigation usually needed
a. more equipment needed
____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops
a. cover crops
A double cropping system is where two crop are grown in the same field over _______________
months.
a. 36
b. 24
c. 18
d. 12
d. 12
___________ is not a limitation of cover and companion crops.
a. increased soil erosion
, b. reduced yields
c. soil water depletion
d. increased cost
a. increased soil erosion
Fields are fallowed to conserve _____________.
a. energy
b. nutrients
c. water
d. pesticides
c. water
Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
c. companion
d. adjacent
a. rotational
__________ is when a plant produces a chemical toxin that impairs the growth of different plant.
a. allelopathy
b. antibiosis
c. autotoxicity
d. symbiosis
a. allelopathy
In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c
d. both b and c
Starter Fertilizer is commonly recommended for___.
a. pastures
b. no-till
c. clean-till
d. all crops
b. no-till
The soil test values in the top 2 inches of the soil are _____ soil test values bellow 2 inches in no-till
situation.
a. equal too
b. larger than
With 100% Correct Answers 2024.
Which of the following is not considered when comparing a crop rotation with a monoculture?
a. sociological consequences
b. IPM
c. labor and equipment needs
d. yields
a. sociological consequences
Which of the following is an advantage of a crop rotation over a monoculture?
a. higher level of management required
b. timing fertilizer and pesticide application easier
c. less equipment needs
d. risk spread across more than one commodity
d. risk spread across more than one commodity
Which of the following is a limitation of crop rotation over a monoculture?
a. more equipment needed
b. lower level of management required
c. yield of all crops in the rotation increase
d. irrigation usually needed
a. more equipment needed
____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops
a. cover crops
A double cropping system is where two crop are grown in the same field over _______________
months.
a. 36
b. 24
c. 18
d. 12
d. 12
___________ is not a limitation of cover and companion crops.
a. increased soil erosion
, b. reduced yields
c. soil water depletion
d. increased cost
a. increased soil erosion
Fields are fallowed to conserve _____________.
a. energy
b. nutrients
c. water
d. pesticides
c. water
Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
c. companion
d. adjacent
a. rotational
__________ is when a plant produces a chemical toxin that impairs the growth of different plant.
a. allelopathy
b. antibiosis
c. autotoxicity
d. symbiosis
a. allelopathy
In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c
d. both b and c
Starter Fertilizer is commonly recommended for___.
a. pastures
b. no-till
c. clean-till
d. all crops
b. no-till
The soil test values in the top 2 inches of the soil are _____ soil test values bellow 2 inches in no-till
situation.
a. equal too
b. larger than
