... ton of stored grain or goods to 8; 2 to 5 per cubic meter store stack or goods; 1-4 slices ... ventilation, full bulk gas, drain the gas. (3) storage time, with 5% to 10% silver nitrate solution impregnated strip test gas, before ... time, as the temperature and humidity below 5 °C, and should not be fumigated; 5 °C ~ 9 °C for at least 14 ...