Making the world better, one answer at a time. Rich soil is made up of sand, silt, clay and organic matter (compost) in various stages of decomposition. Humus is the stable remains of decayed organic matter, carbon remains of unknown sorts that attach themselves to clay to improve soil structure. Humus has the ability to increase the soil's water retention, buffer PH , and helps the plant use nutrients although humus is not fertilizer but humic acids and humins.
Salmonellosis, or salmonella, is another bacterial illness that both domestic and wild rats carry. Like leptospirosis, it is spread to humans through contact with urine and feces. In humans, salmonellosis causes gastrointestinal problems such as diarrhea, stomach cramps and fever.
Worldwide, rats and mice spread over 35 diseases. These diseases can be spread to humans directly, through handling of rodents, through contact with rodent feces, urine, or saliva, or through rodent bites.orldwide, rats and mice spread over 35 diseases. These diseases can be spread to humans directly, through handling of rodents, through contact with rodent feces, urine, or saliva, or through rodent bites.