You install the FarmVille toolbar from FarmVille.com
You cannot harvest your neighbour's crops in FarmVille. You can, however, fertilise their crops and feed their chickens during visits to their farm.
Harvest crops.
you cannot harvest other people's crops in Farmville. As far as I know only FARMTOWN lets others harvest and plow other person's farms.
none your buisness!
You harvest crops, and you visit neighbours farms.
You harvest crops, and visit neighbours farms and help them out.
You harvest Crops/ Animals until you have enough exp
they will reverse the time of your plant
Work hard, and practice. Harvest heaps of crops and harvest your animals often... you're already on your way
Try to get lots of crops harvest to earn money.
Yes but only if you have level 3 of mastery on the crop you want to Harvest.
You will receive coins for free in FarmVille on Facebook whenever you harvest crops or sell animals or buidings or trees or decorations.