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But with containers I use only liquid supplements mix with their water.

Oct 19, Apply pounds (about 11 to 12 cups; 2 cups of is equivalent to 1 pound) of evenly over the root zone area. Since most of a tree’s roots can be found in the top foot of soil, broadcast the fertilizer evenly with a rotary or drop-type spreader over.

Most of my beds are mulched with composted cattle manure mixed with shavings. It is sold as mulch and is really helping to amend my soil. It is lovely stuff to work with. But I am not sure how to fertilze through it.

I'm going to go through these replies in more detail later, as there already is a lot of info to pour over.

The last couple of years I have just thrown on some bagged fertilizer that was left over from spring planting here - we have a farm. Jan 31, Some fertilisers say that if you're going to apply it over a thick layer of mulch, then you need to double the amount applied.

Wood based mulches placed on the surface of the soil don't take up significant amounts of soil nitrogen. Can i fertilize my shrubs over existing mulch granular fertilizer it's best to remove the mulch before applying and scratching into the soil (obviously you put the mulch back immediately afterwards).

Personally, I don't like the time release types either--I'd rather be able to feed my plants according to their needs at different times of growth.

Liquid. Alternatively, ssuming your landscape fabric is porous membrane, you could use a granular fertiliser such as growmore; though it wouldn't look that attractive scattered over the mulch, particularly if its bark chips, it would eventually dissolve and wash down through the membrane.