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国际种子检验规程与国标农作物种子检验规程高温烘干法测定玉米水分所用的时间不一致,前者为4小时,后者为1小时。国标改为1小时后,可减少实验时间,节约能源,但其原因及科学性少见报到。国际种子检验规程及国标农作物种子检验规程均规定测定水分时,小麦、玉米等禾谷类作物的磨碎细度是留在1.0mm金属丝筛子上的颗粒不超过10%。目前,我国各级种子检测机构应用两种类型的磨碎机;一是国产机,有筛网的,其转速较慢,磨碎过
International Seed Testing Protocol and the national standard for crop seed testing High temperature drying method for determining the moisture content of corn is not the same time, the former is 4 hours, which is 1 hour. National standard changed to 1 hour later, can reduce the experimental time, save energy, but its causes and scientific rare report. The International Seed Testing Program and the National Standard for Crop Seeds Inspection stipulate that the fineness of grain of wheat, corn and other cereals should not exceed 10% of the particles left on the 1.0mm wire sieve. At present, China’s seed testing agencies at all levels of application of two types of grater; First, domestic machines, with a screen, the slower speed, ground