How do I harvest a maize crop?

In the month the maize silage is harvested follow these steps:

1.       Select Add Defoliation.

2.       Select Final Harvest

3.       Method of Defoliation – select Cut and Carry

4.       Destination of Crop – select most appropriate destination

5.       Most maize silage is harvested in a short period therefore enter 1 into number of months defoliating.