Overview. Gastric intubation via the nasal passage (ie, nasogastric route) is a common procedure that provides access to the stomach for diagnostic and therapeutic purposes.
The impact of pesticides consists of the effects of pesticides on non-target species. Pesticides are chemical preparations used to kill fungal or animal pests. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, because they are sprayed or spread across entire agricultural fields.
This table provides an indication of the toxicity to various beneficial insects of commonly used chemicals and pesticides under field conditions.It should be used as a rough guide only, as many variables can affect residue persistance, especially ultraviolet light exposure.his table provides an indication of the toxicity to various beneficial insects of commonly used chemicals and pesticides under field conditions.