Preventing imbibition damage before the germination of soybean [Glycine max] seeds, 2: Production of moisture-adjusted soybean seeds using a humidity-controlled recirculated batch dryer
2009
Kokuryu, T., National Agricultural Research Center, Tsukuba, Ibaraki (Japan) | Ikeda, S. | Fujiwara, I. | Shimada, S.
To protect soybeans from imbibition damage, we have newly developed equipment that consists of a recirculated batch dryer and a humidifier to produce effectively moisture-adjusted soybean seeds. To protect the seeds from mechanical damage, the bucket elevator speed and lower-screw speed are decreased to 50% and 70%, respectively, of standard speed, and the lower screw is coated with a smooth material. Our experimental results show that the moisture absorbance rate is about 0.3%/h, with a standard deviation of 0.2%w.b. at a moisture content of 15.2%w.b., and the rate of mechanically damaged soybean seeds is cut to less than 2%, which has little influence on emergence establishment when soybean seeds are sown after being processed in the recirculated batch dryer.
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