Rapeseed storage and their mechanical strength
J. Tys 1
,  
 
 
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Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, PO. Box 201, 20-290 Lublin 27, Poland
Acceptance date: 2000-01-25
 
Int. Agrophys. 2000, 14(2): 255–257
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ABSTRACT
Three varieties of rape were investigated Bolko, Polo, Leo. Each variety was investigated in two maturates: technical and full ones. Each sample with proper maturity and humidity (6 and 11 %) was stored according to the elaborated methodology in containers at stable temperatures of: 7, 20 and 30 oC and the stress invoked in the seeds due to internal pressure application was: 150 and 300 kPa. Our investigation showed that storage conditions significantly affect dynamical resistance of the stored seeds. The initial storage period (20 40 days) did not clearly differentiate stability features in the stored material. The following storage time strongly differentiated seed resistance to the dynamical loads. It refers especially to external conditions (temperature 30 oC and pressure 300 kPa) when the changes dynamics was very clear. This dynamics is also affected by the moisture and the maturity of the investigated seeds.
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