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Solarization affects all living organisms that are present in the upper 30 cm (11.8 in) of the soil. It can be used to manage weeds, diseases caused by soil-borne pathogens, and nematodes. Effectiveness of solarization can be somewhat variable when methyl bromide is the standard with which it is compared.
Most of the world's population live in areas with insolation levels of 150-300 watts/mÂ², or 3.5-7.0 kWh/mÂ² per day. Solar radiation is absorbed by the Earth's land surface, oceans â which cover about 71% of the globe â and atmosphere. Warm air containing evaporated water from the oceans rises, causing atmospheric circulation or convection.