One verse

Srimad Bhagavatam 6.9.8

6.9.8

तुर्यं छेदविरोहेण वरेण जगृहुर्द्रुमा: । तेषां निर्यासरूपेण ब्रह्महत्या प्रद‍ृश्यते ॥ ८ ॥

turyam cheda-virohena varena jagrhur drumah tesam niryasa-rupena brahma-hatya pradrsyate

turyam
one fourth
cheda
although being cut
virohena
of growing again
varena
because of the benediction
jagrhuh
accepted
drumah
the trees
tesam
of them
niryasa-rupena
by the liquid oozing from the trees
brahma-hatya
the reaction for killing a brahmana
pradrsyate
is visible.

In return for Indra’s benediction that their branches and twigs would grow back when trimmed, the trees accepted one fourth of the reactions for killing a brahmana. These reactions are visible in the flowing of sap from trees.