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Article #343Re: The use of inorganics
From: Pete Lucas
Date: Thu, 16 Apr 1998 00:00
Date: Thu, 16 Apr 1998 00:00
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Christopher Allen Schultz wrote: > > It is true that the nutrients are the same, but let me give an analogy for > what you are saying. Inorganic fertillizers are dissolved in water, > applied as water soluble solids or applied as gasses (ammonia injection), > take a sieve add which ever inorganic nutrient source you wish and then > add water. Is there any fertillizer in your sieve? That water on your > shoes is called Groundwater, in some places groundwater pollution is a > major problem. Now take the same sieve add manure or compost and pour > water through it. This water is not cleaner, but contains less > nutrients, plants are very good at abstracting nutrients from organic > sources! Plants will preferencially abstract nutrients from the soil > organics over the inorganic sources for a number of reasons, Huuh? The nutrients have to be in solution before the plant can do its' uptake; and how is the plant going to distinguish between, say, a phosphate molecule from an "organic" or an "inorganic" source at this point? After all, the chemical structure of a given molecule is constant. //PJML//
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10df74,efdd96834c69b45d X-Google-Attributes: gid10df74,public X-Google-Thread: fb19c,efdd96834c69b45d X-Google-Attributes: gidfb19c,public X-Google-Thread: 10607c,efdd96834c69b45d X-Google-Attributes: gid10607c,public X-Google-Thread: 10f0bf,efdd96834c69b45d X-Google-Attributes: gid10f0bf,public X-Google-Thread: fd92c,efdd96834c69b45d X-Google-Attributes: gidfd92c,public From: Pete Lucas <pjml@not-for-mail.nerc-swindon.ac.uk> Subject: Re: The use of inorganics Date: 1998/04/16 Message-ID: <3535C9E6.2356@not-for-mail.nerc-swindon.ac.uk> X-Deja-AN: 344606226 Content-Transfer-Encoding: 7bit References: <352b5a63.321101@news.demon.co.uk> <6gofvm$nds$2@nntp.epix.net> <Pine.OSF.3.96.980415131317.16918B-100000@alpha2.csd.uwm.edu> Content-Type: text/plain; charset=us-ascii Organization: NERC MIME-Version: 1.0 Reply-To: pjml@not-for-mail.nerc-swindon.ac.uk Newsgroups: sci.environment.waste,sci.environment,ca.environment,uk.environment,uk.environment.conservation