Another way to collect a stool sample is to loosely place plastic wrap across the rim of the toilet, under the seat. Then place the stool sample in a clean, sealable container before taking to the laboratory. Plastic wrap can also be used to line the diaper of an infant or toddler who is not yet using the toilet. The stool should be collected into clean, dry plastic jars with screw-cap lids.
The potential variations in the properties of agricul-. tural soils are less well known. Diaz et al. (1994) have. reported that under a climate change scenario the soil. organic matter content and erosion rate would de-. crease with regard to current values in the Arrecifes. River basin.
Phnom Penh Post - Droughts, flooding, disease: the reality of a Cambodia that has been hit by climate change. A farmer paddles through his rice fields in Battambang during last yearâs floods. Droughts, flooding, disease: the reality of a Cambodia that has been hit by climate change. Disruption of typical weather patterns. Scorching drought interrupted by erratic rainfall. Water shortages and then, suddenly, a deluge of flooding. Poor crop yields; an increase in food prices; dreadful hunger. This is the future Cambodia is facing as climate change takes its toll â and farmers are already feeling the effects, experts have warned.