Guides for 6 month olds are more like 2-4 TEA SPOONS of solids not 4 tablespoons.
There is some information from the BW book here:
Weaning Guidelines from Secrets of the Baby Whispererand further information here:
Solids for 6-12months very useful Informationnote in this information guidance amounts increase between 7-9 months so that by the end of this period the amount is between 2 table spoons and half a cup.
Guide lines all vary depending on where you are and which route you take towards weaning, whether the more traditional purée method or the BLW method. In the UK guidance is to introduce finger foods at 6 months even if offering purees, also as pp said to introduce meat, fish, eggs (so long as there are no known allergies).
Some LOs eat more than others. With BLW especially the amount is guided by what LO wants to take. other guidance on weaning also advises this though for example the UK NHS website says to follow babies lead on amounts so long as milk intake doesn't drop and with one meal at 6 months increasing to three meals around 8 months. Yoghurt and other dairy products such as cheese can be introduced from 6 months but should be full fat, no low fat or reduced fat milks, yoghurt, or butter type spreads.
Where are you CV? There must be some guides available for your country. They do vary from country to country - really it is your decision on which you follow.