how much guano in soil prep

dave.b

Active Member
Hi everyone! I was thinking about preparing a soil mix for this spring

20% large clay pebbles
20% worm castings
30% acidic soil - soil for azaleas
30% generic soil - with ph 6.9, premixed with perlite

how much guano is usually needed? any suggestion is welcome :clap:
happygrowing
 
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