CCA INTERNATIONAL EXAM WITH
QUESTIONS AND 100% CORRECT
ANSWERS GRADED A+ 2025 UPDATE.
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 - ANS 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 - ANS 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 - ANS a. more equipment needed
____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops - ANS 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 - ANS 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 - ANS a. increased soil erosion
Fields are fallowed to conserve _____________. a.
energy
b. nutrients
c. water
d. pesticides - ANS c. water
Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
c. companion
d. adjacent - ANS 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 - ANS a. allelopathy
In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c - ANS d. both b and c
Starter Fertilizer is commonly recommended for___.
a. pastures
b. no-till
c. clean-till
d. all crops - ANS 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
c. smaller than
d. less important than - ANS b. larger than
Which of the following must be sufficiently high to justify conversion of non-cropland to
cropland
a. nutrient availability
QUESTIONS AND 100% CORRECT
ANSWERS GRADED A+ 2025 UPDATE.
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 - ANS 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 - ANS 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 - ANS a. more equipment needed
____________ increases available N, reduces erosion and increases infiltration.
a. cover crops
b. fallow
c. nurse crops
d. companion crops - ANS 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 - ANS 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 - ANS a. increased soil erosion
Fields are fallowed to conserve _____________. a.
energy
b. nutrients
c. water
d. pesticides - ANS c. water
Pesticide carryover is important in ______________ crops.
a. rotational
b. cover
c. companion
d. adjacent - ANS 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 - ANS a. allelopathy
In clean till systems, tillage can spread__________.
a. insects
b. disease
c. weeds
d. both b and c - ANS d. both b and c
Starter Fertilizer is commonly recommended for___.
a. pastures
b. no-till
c. clean-till
d. all crops - ANS 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
c. smaller than
d. less important than - ANS b. larger than
Which of the following must be sufficiently high to justify conversion of non-cropland to
cropland
a. nutrient availability
