Share 'liming the vege patch - to lime or not to lime...'

I have read that veges need lime. I have never limed my vege patch before but do get variable results...my patch gets composted chicken manure and composted everything else as well as a seaweed drink/foliar spray when I remember. So should I lime? And is it beneficial for all veges or just some? Also when should I do it? and can I plant straight into it or does it need to be left for a while?? ch…