function getFreeField(uint256 _VegetableId) public isInitialized {
		require(OwnerVegetableFieldSize[msg.sender][_VegetableId]==0);
		OwnerVegetableFieldSize[msg.sender][_VegetableId]=FreeFieldSize;
		OwnerVegetableStartGrowing[msg.sender][_VegetableId]=now;
		
    }