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Hydroponic cucumber leaves drying out
June 28, 2014
10:06 pm
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solariiknight
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June 23, 2014
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I used general grow solution to grow cucumber in a bucket raft system with air pump. The concentration was 8ml/liter(700ppm approx). I'm maintaining the pH between 5.8-6.5. However, the cucumber is barely surviving with just a leaf or two. What could be the problem?
I faced a problem due to high temperature in brinjal, the same high temperature of 33 deg C is present here. Is that the only problem or is there anything else I'm missing out?

http://i61.tinypic.com/5oawsx.jpg

As for the temperature, today I've covered with gift wrapper and succeded in limiting the temperature a little bit to 31 deg C, but want to know if I'm missing out on anything else.

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June 30, 2014
1:40 pm
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geekgardener
Bangalore, India
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Nice idea on using giftwrap. the plant looks like a gift now. the damage is due to sun scorch. i dont think you can do anything to reduce the light incidence. shade net will help.

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July 13, 2014
11:44 pm
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solariiknight
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Thanks Smile

Right now, along with the gift wrapper to reduce temperature, I did some research and increased the general grow solution concentration to 1400ppm, as recommended by a university website. It seems to have worked well, though I had some cloudy days inbetween:

http://i61.tinypic.com/125lwy9.jpg

Lets see how it progresses.

The burns in the leaf is due to neem oil spray, I used 5%, which seems to have burned the plant. My brinjal plants were affected with similar burns. Frown

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July 30, 2014
8:33 pm
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geekgardener
Bangalore, India
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Sounds like things are going well. How is the plant now?

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