Slow rot

Slow rot was an abjuration spell that prevented spoilage of fruits, vegetables, and grains for a few weeks.

Effects
Up to 100 ft3 (2.83 m3) of plants, crops, or harvested goods per level of the caster could be kept free from decay for weeks. Note that this spell did not work on meat, and pests could still consume the preserved plant material.

Components
In addition to verbal and somatic components, this spell required a pinch of sugar to cast.