first frost day

Last frost day

First frost date and late frost date

first frost date and latest frost date

Girst frost date and late frost date

Day - to - day variability in 5_q

day to day operation

day to day precision

Day to day ratio

day to day site supervision

Day-by-day

decreased day by day

Earth Day [first Earth Day in 1970]

First day and last day of maximum temperature

a dead frost

advection frost

amorphous frost

annual frost days

anti frost agent