Zakat Corps

And it is stored like (dates, raisins, wheat, and barley).
Her fraud?
The minimum requirement for the obligation of Al Fardh dates (type of the dates): 691.2 kg and the standard for the rest of the dates: 614.4 kg
When is given?
Harvest time: Allah said, "The Most High."
“And give the due right on the day of its harvest”.
What is its amount? 
It comes out to 5% of what was watered at a cost like that of water from a well or rented water.
And 10% is given for what is watered without any effort, like a canal.