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Subject: researchs about water quality


Author:
Eric Johnson (effect on plant growth)
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Date Posted: 07/25/06 1:26:57pm PDT
In reply to: Eric Johnson 's message, "Water Quality and its effects on Plant Growth" on 02/15/06 1:52:22pm PDT
 dear sir:
I want some researchs about effect of water quality on growth of some plants as Zea meas
with many thanks
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