
1) Biodegradable material 2) Candy maker Russell 3) Confectioner russell 4) Fictional Yalie 5) Fodder 6) Hay; stubble 7) Last name in a candy brand 8) Russell of boxed chocolates 
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https://www.crosswordclues.com/clue/stover

 Stover is the leaves and stalks of field crops, such as corn (maize), sorghum or soybean that are commonly left in a field after harvesting the grain. It can be directly grazed by cattle or dried for use as fodder. It is similar to straw, the residue left after any cereal grain or grass has been harvested at maturity for its seed. Stover has attra...
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http://en.wikipedia.org/wiki/Stover

Material left behind after a plant has been harvested, such as leaves and stalks.
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http://needtoknow.nas.edu/energy/glossary/

fodder
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http://phrontistery.info/s.html

• (n.) Fodder for cattle, especially straw or coarse hay.
Found on 
http://thinkexist.com/dictionary/meaning/stover/

Fodder for cattle, especially straw or coarse hay. 'Where live nibbling sheep, And flat meads thatched with stover them to keep.' (Shak) 'Thresh barley as yet but as need shall require, Fresh threshed for stover thy cattle desire.' (Tusser) ... Origin: OE. Estoveir, estovoir, necessity, provisions, properly an inf, 'to be necessary.' Cf. Estovers.
Found on 
http://www.encyclo.co.uk/local/20973

Grain stalks after removal of the ears, usually cured and used as feed.
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http://www.encyclo.co.uk/visitor-contributions.php
 Sto'ver  noun
Sto'ver  noun [ Middle English 
 estoveir , 
 estovoir , necessity, provisions, properly an inf., 'to be necessary.' Confer 
 Estovers .] Fodder for cattle, especially straw or coarse hay. « Where live nibbling sheep, And flat meads thatched with 
 stover them to keep.» ...
Found on 
http://www.encyclo.co.uk/webster/S/205

[
n] - the dried stalks and leaves of a field crop (especially corn) used as animal fodder after the grain has been harvested
Found on 
http://www.webdictionary.co.uk/definition.php?query=stover
 noun
 noun the dried stalks and leaves of a field crop (especially corn) used as animal fodder after the grain has been harvested
Found on 
https://www.encyclo.co.uk/local/20974

The dried stalks and leaves of a crop remaining after the grain has been harvested.
Found on 
https://www.encyclo.co.uk/local/22831

coarse roughage used as feed for livestock. · stalks and leaves, not including grain, of such forages as corn and sorghum. · fodder minus the grain portion of the plant.
Found on 
https://www.infoplease.com/dictionary/stover
  No exact match found.