First of all, from the safety point of view, it is not appropriate to occupy the space on the roof to build a vegetable garden, especially in commercial and residential buildings, where the rooftop belongs to the * * * area, which violates the policy.

If you live in a building or villa and want to build a vegetable garden, you should first pay attention to it. But in either form,

Everyone should pay attention to several points.

(1) Waterproofing should be done well to avoid water leakage downstairs;

(2) Drainage should be done well, enclosing it is easy to accumulate water and turn it into a pond, hollowing it out is easy to flow everywhere, and it will be dirty with mud;

(3) Water supply should be done well. There are many water charges for growing vegetables, and water charges account for the first place, which is definitely N times that of buying vegetables;

(3) There is a lot of fertilizer, and vegetables without fertilizer are malnourished and bitter.

There are several ways to form a vegetable garden.

1 One kind is this one, which encloses a fast space filled with mud and a piece of land.

This will have the problem of bearing capacity.

Small potted plants and foam boxes have the disadvantage of small planting area and the advantage of convenient placement, as shown in the figure.

3 ? New vegetable garden? It's an art to grow vegetables with pvc pipes as materials.

Growing vegetables is not limited to the rooftop, but also the plants on the balcony.

Of course, there are many more. Look online more to make your life more interesting.