Crop Production and Management Flashcards
6 cards from real Agronomy practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Crop Production and Management flashcards as text
What is the term for the number of days from planting to physiological maturity in corn?
Answer: Relative maturity rating
Relative maturity (RM) rating estimates the number of days for a corn hybrid to reach maturity under standard growing conditions.
Which cropping system plants two or more crops simultaneously in the same field?
Answer: Intercropping
Intercropping grows two or more crops together in the same field at the same time to maximize land use and diversity.
What is the primary purpose of a cover crop in an agronomic rotation?
Answer: Protect and improve soil between cash crop seasons
Cover crops are grown between cash crop seasons to reduce erosion, add organic matter, and suppress weeds.
The R1 growth stage in soybeans corresponds to what developmental event?
Answer: Beginning of flowering
R1 in soybeans marks the beginning of flowering, when the first open flower appears at any node on the main stem.
What is the recommended corn plant population for most US Corn Belt fields (plants per acre)?
Answer: 32,000–36,000
Most Corn Belt hybrids are planted at 32,000–36,000 seeds per acre to balance yield potential and resource use.
Which tillage practice leaves the greatest amount of crop residue on the soil surface?
Answer: No-till
No-till farming leaves essentially all crop residue undisturbed on the surface, maximizing erosion protection and water retention.