AEPS 315 Guaranteed Success
The presence of this crop in the field inhibits the germination of its own seed: ️alfalfa
Allelopathic compounds can be produced and released into the soil by: ️roots, leaves, stems
Synthetic nitrogen was developed by: ️Fritz Haber
For most organic fertiliz...
AEPS 315 Guaranteed Success
The presence of this crop in the field inhibits the germination of its own seed: ✔️alfalfa
Allelopathic compounds can be produced and released into the soil by: ✔️roots, leaves, stems
Synthetic nitrogen was developed by: ✔️Fritz Haber
For most organic fertilizers, 8 weeks of incubation will results in ___ nitrogen mineralization. ✔️55-70%
The following group is not represented on the National Organic Standards Board (NOSB): ✔️seed
companies
Which scenario of the following would result in the narrowest buffer zone? ✔️you have a thick stand of
pine trees along the field edge
Which of the following leads nitrogen back to the atmosphere? ✔️denitrification and volatilization
Which one of the following statements is right with regard to organic vs conventional systems?
✔️productivity is lower in organic due to more disease pressure & less mineral nitrogen
Farms and handling operations that sell less than ________ per year in organic agricultural products are
exempt from the certification process and may label their products organic if abiding by the standards.
✔️$5,000
In general, most plant species prefer pH values of: ✔️6.5-7
Organic land acreage is highest in: ✔️Australia
1. Which one of the following statements is wrong with regard to plant material use in organic systems?
a) Annual transplants have to be certified organic
, b) Perennial stock has to be organic (if not available, non organic is OK with 1 year transition)
c) All seed must be certified organic with no exception
d) None of the above. All the above are right ✔️c. all seed must be certified with no exception
Among the following, the system that is governed by a regulation (law) is: ✔️organic production
Regenerative organic certification does not allow: ✔️hydroponic systems
Which of the following statements is right with regard to manure application on certified organic soils
cropped to carrots? ✔️d. application of manure is allowed if applied at least 120 days before harvesting
Which one of the following is allowed by the NOP? ✔️vaccines
Which one of the following statements is wrong with regard to certified organic production? ✔️you
cannot use hybrids
To combat weeds, your cover crop should not have: ✔️long establishment time
Among the following rotations, the best one (regardless of growing season suitability) is: a) Tomatoes-
broccoli-strawberries
Residues from the previous crop affect: ✔️disease pressure soil physical properties weed growth
Which statement is wrong with regard to the buffer zone?
a) Could use buffer zone to stimulate natural enemies
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