Excerpt from Some Effects of Drying and Ultra-Violet Light on Soils: A Thesis
Elm-violet light is else e powerful sterilizing agent and the question erises es to whether or not the effect of ultraviolet radiation mid not prodnoe pertisl sterilisation in soils which might give conditions for increased yield.
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Artikel-Nr. LW-9780365162155
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