It is very common and all kinds of reasons have been put forward to explain its occurrence - from stress to microbial attack.

Some types of fungi make the plants more resistant to insect and microbial attacks.

Moisture rich foods are easily susceptible to the microbial attack and got rotted and damaged.

Most macrofauna fragment litter, thereby exposing a greater amount of area to microbial attack.

In nature the liberation of cyanide serves as a defense mechanism against herbivores and microbial attack in plants.

They have several advantages over biodiesel, including good performance at low temperatures, no storage stability problems and no susceptibility to microbial attack.

Jute has a decreased strength when wet, and also becomes subject to microbial attack in humid climates.

The skin that lines the ear canal is then subject to disintegration and microbial attack.

Once an individual has been interred, microbial attack, the most common mechanism of bone deterioration, occurs rapidly.

Soil particles bound to roots are difficult to remove without injury to the roots that then allows microbial attack.