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Old 02-04-2009, 07:59 AM
nft nft is offline
Junior Member
Join Date: Feb 2009
Posts: 2
Default the roots become brown

This is the best web page on hydroponics, the format and the picture illustration are great!!! I am a beginner in hydroponic in Thailand. I am growing lettuce with NFT ,after a few weeks of perfect growth, the roots become brown color and the plant growth is stunt. What is the problem and how to cure them?

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