Sorry Sanguinello, but any fertilizer will build up salts in the soil over time.

I do not think so.

Organic fertilizers set them free little by little and the plants will absorb them easily.

Proof of that is nature.
There is no acumulating salt.

In ground trees are not the same as container trees. I guess you are too smart for all of us...

My dear Sanguinello, don't use nature as your example, it is a bad example. There are so many places in the world, a number so great that it is beyond the ability to count them, where the soil's content is so high in salts that nothing grows. In many places the salt levels are so high that the surface of the ground is white.

I'll take as an example the most common organic fertilizer that is used the world over, and that would be manure. Because of its high content of soluble salts, it causes plant burning.

Sanguinello, even the atmosphere contains salts. - Millet

Yes sure !

Salts are everywhere and essential to all living beings.
The point is just that you get the right dosage.

As I said before, organic fertilizer gives it free little by little, while mineral fertilizer come with an extreme overdose.

The more soil organism get nutriated by it who do good for the plants and the result of all is compost.

By example I just buyed now 1 Kilo worm manure 100 % organic fertilizer

Plant buying by manure happens only if the manure is fresh.
Manure of horses by example, is 4 year old before it is used in the Orangerie Schönbrunn.

For me nature is always the best, so I try to be her way as near as I can.

Yet, I think I never can be too smart for myself, nor for others ...

Sanguinello, I can now see that you prefer organic culture rather than the standard fertilizer culture that citrus are usually given. That is certainly fine, many people would agree with your views on organic fertilizers. As often occurs, in discussions we will just have to agree to disagree on the particulars. The best to you and your trees. - Millet

Thanx Millet !

Same to you and your trees !

The value of a discussion is to realize the arguments of yourself and others and to gain new perspectives and informations from it ...