Can weed absorb magnesium trough the leaves?

eekje

Well-Known Member
Hi..

Today i saw that some of my plants show signs of magnesium deficiency.

I just watered them but forgot to add magnesium to my solution. I do have a bottle of MgN unopened.

The question is.. if i mix tapwater with like 1/4 dose of Magnesium and spray that on them, will they absorb that?



cheers
 

jondamon

Well-Known Member
When I'm applying Ca and Mg I use mono forms of each and generally make up a second mix to water with.

I water with my normal feed and then give each of my plants an extra litre of my Ca and Mg mix.



J
 

PetFlora

Well-Known Member
Be careful, as you are direct injecting, so like 1/10 might be too much

I spray leafs daily in veg with a mix of sea salt and Mg but highly diluted

4 drops of salt + 2 drops Mg Cl: 6ozs
 
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