SSSAJ Journal of Natural Resources and Life Sciences Education
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Fig. 9 Accumulation of 15N in earthworm tissue in cores treated with 15N-labeled rye (•—•), manure ({blacksquare}– – – –{blacksquare}), or potassium nitrate ({blacktriangleup}·····{blacktriangleup}). Error bars are standard errors





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HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
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