The exception to the rule is when both fields have only one bean. You have to resist the temptation to organize them. Decide who gets to go first, and let the game begin. If all the fields are filled with beans, you must harvest a field to make room for this card If you must harvest, you cannot harvest a field with only one bean planted, unless both fields have only one bean planted in them. The player draws two cards from the deck and reveals them to everyone.
Trades can only occur with current player.
Players cannot trade amongst each other if it isn't their turn. All players, including the current player, who are trading can use their entire hand for bartering. The current player is not restricted to trade with just the two cards turned up. A card cannot be traded twice. If trades are made, all cards that are traded must be planted now , they cannot be returned to the hand.