Problems with tropical plants in biodome

Penelope51 starts with ...
Hi, we’re having some problems with the tropical plants in the biodome, wondering if anyone has advice?
-Wax Jambu pink -back sooty mould & new leaves are bright green
-Abui leaves/ pale & dropping
-Acerola leaves deformed and bumpy with variegated colour
-Cembedak losing leaves, leaves pale (some had mould)
-Papaya yellow spots on front of leaf, black spots opposite side.
-Mango new leaves pleas pale bright green
-Soursop leaves yellowing

Lucerne mulch was applied heavily in biscuits about 2.5 months ago

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