While continuing to use the hot air balloon to search for the oil, it's decided that Ishigami Village needs to take up agriculture to prevent future food shortages, as well as to produce preserved food for their upcoming sea voyage.
Magma and Yo's dirt made the test strip red.
.جعل تراب ماغما ويو شريط الاختبار يتحول إلى اللون الأحمر
Die Erde von Magma und Yō
färbt das Papier rot.
El papel se volvió rojo
en la tierra de Magma y You.
El papel se ha vuelto rojo
en la tierra de Magma y You.
Le papier est devenu rouge
au contact de la terre de Yo et Magma.
Mettendoci la cartina al tornasole,
A terra do Magma e do Yo 
deixa o papel vermelho.
В почве Магмы и Йо лакмусовая
бумажка стала красной.