Answer:
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
I get thrown in the air and will fall down. I get thrown down and I will rise in the air. What am I?
A necessity to some, a treasure to many, I'm best enjoyed among pleasant company. Some like me hot, some like me cold. Some prefer mild, some like me bold. What am I?
A trail, a union, together tied. Come across me and you will find you cannot change the course I'm on. Without me you cannot travel on. What am I?
I was was before was was was.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.