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difference of ammonium nitrogen and nitrate nitrogen


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Old 02-04-2009, 07:33 AM
sixto sixto is offline
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Default difference of ammonium nitrogen and nitrate nitrogen

hi ron,

can you please tell me the difference of ammonium nitrogen and nitrate nitrogen as far as its relationship to plant growth ?

secondly, my lettuce ... i place them under 75% shade cloth, temperature is also hot ... around 110F at mid-day .... result is gap between nodes are really abnormal.

i am using heat resistant and bolt resistant cultivar for my lettuce, do you suppose the shade cloth is the main problem ?
regards,

sixto

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Old 02-04-2009, 07:35 AM
Ron Ron is offline
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Nothing in my hydro books about ether.

I can't imagine growing anything at 110 degrees especially lettuce with or without shade cloth.

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