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A SIMPLE LABORATORY APPARATUS FOR DEHULLING AND CLEANING SMALL QUANTITIES OF CHENOPODIUM SEEDS
Author(s) -
Richard W. Fisher,
W. C. WARREN
Publication year - 1978
Publication title -
canadian journal of plant science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.338
H-Index - 59
eISSN - 1918-1833
pISSN - 0008-4220
DOI - 10.4141/cjps78-138
Subject(s) - chaff , winnowing , chenopodium , drop (telecommunication) , horticulture , environmental science , agronomy , mathematics , biology , botany , engineering , mechanical engineering , weed
Chenopodium seeds are dehulled by shaking them with rubber discs in a stack of wire screens of several meshes. The seeds and much of the chaff collect on the lowest screen. Chaff and light seeds are then separated from heavy seeds in a device made of two powder funnels by winnowing in an airstream. The clean, heavy seeds drop by gravity through the higher velocity air entering at the lower end and are ready for immediate packaging and storage.

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