[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [APD] APD NO3



Plants at actwin_com
> Message: 3
> Date: Tue, 29 Sep 2009 07:20:19 -0400
> From: "Robert T. Ricketts" <rtricketts at verizon_net>
> Subject: Re: [APD] NO3
> To: "APD" <aquatic-plants at actwin_com>
> 
> Plants uptake and use nitrate (NO3) and ammonium (NH4), both forms are
> useful. Only nitrite (NO2) is excluded other than in sequestered
> intracellular reactions. Nitrite is too toxic to use as an uptake or
> internal transport form of usable nitrogen. The use of nitrate versus
> ammonium does involve a small additional energy expenditure, but that is
> trivial versus the obvious drawbacks to having high concentrations of
> ammonia/ammonium in the tank. That could be deadly on higher ph water.
> 
thank you Mr Ricketts

linda
 		 	   		  
_________________________________________________________________
Lauren found her dream laptop. Find the PC thatÂ’s right for you.
http://www.microsoft.com/windows/choosepc/?ocid=ftp_val_wl_290
_______________________________________________
Aquatic-Plants mailing list
Aquatic-Plants at actwin_com
http://mailman.actwin.com/mailman/listinfo/aquatic-plants