If you are going to plant winter garlic, you should prepare the soil in advance.
It would also be useful to update the existing information on this important issue.
It is important to completely clear the soil of any plant debris and rubbish: the soil must be completely clean before carrying out any other procedures.
This procedure is extremely important to ensure that the garlic root system has all the conditions for normal development. As a rule, you need to "remove" the top layer of the bed (the spade blade will serve as a guide), and then simply loosen it with a rake.
As a rule, at this stage it is worth introducing the required amount of compost or humus. This will not only make the soil more nutritious, but will also affect its structure.
It is also worth adding any complex fertilizers at the preparation stage and do not forget about watering the soil. If you carry out all the procedures, the winter garlic harvest will be ideal.