Hydroponics Online Home Home Store Blog Forums FAQs Lesson Plans Pictures

Go Back   Hydroponics Forums Discussions > Search Forums

Hydroponics Forums Discussions


Showing results 1 to 9 of 9
Search took 0.00 seconds.
Search: Posts Made By: Mr Greenjeans
Forum: Hydroponics 03-18-2010, 11:31 PM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
OK so your knowledge is that under perfect...

OK so your knowledge is that under perfect growing conditions plants in general do not excrete any waste products into the soil. That does not agree with what I've read elswhere which is completly...
Forum: Hydroponics 03-17-2010, 02:47 PM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
I went to the wiki-link: Phloem - Wikipedia, the...

I went to the wiki-link: Phloem - Wikipedia, the free encyclopedia ...

There I read that nutrients which have been converted to sugars (plant food or sap) flow in both directions in the plhoem...
Forum: Hydroponics 03-17-2010, 03:19 AM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
OK psFrontier. From what I can understand of your...

OK psFrontier. From what I can understand of your words, you are saying the roots get fed only during daylight when transpiration occurs. I have trouble understanding how that can be and perhaps it...
Forum: Hydroponics 03-16-2010, 05:57 AM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
I see what you mean GpsFrontier. The link doesn't...

I see what you mean GpsFrontier. The link doesn't actually specify root exudation occurs only at night as I was supposing.

I tried to post something prior to that link but it didn't make it...
Forum: Hydroponics 03-15-2010, 11:40 PM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
A non-recovery system which removes all root...

A non-recovery system which removes all root exudate and replaces all nutrients, upon every cycle. Time the cycles with light and dark periods. Does it seem possible that root exudate happens only...
Forum: Hydroponics 03-15-2010, 11:38 PM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
It seems root exudation is considered to happen...

It seems root exudation is considered to happen at night when transpiration
ceases ...

From another website : Root Exudation and Rhizosphere Biology -- Walker et al. 132 (1): 44 -- PLANT...
Forum: Hydroponics 03-14-2010, 01:44 AM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
I understand what you are saying about plant...

I understand what you are saying about plant kinetics, fluids or plant parts moving as a result of a stimulus. I'm more concerned with the direction of capillary flow and is it controlled by anything...
Forum: Hydroponics 03-13-2010, 06:38 PM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
GpsFrontier, Thanks for your response and...

GpsFrontier,

Thanks for your response and knowledge. I suspected there was some form of discarge from the root system. I'm interested in learning more about when this occurs.

I would assume...
Forum: Hydroponics 03-13-2010, 11:04 AM
Replies: 16
Views: 7,297
Posted By Mr Greenjeans
does anything come OUT of the roots ?

I have a general plant/gardening question. Does anyone here know if anything comes OUT of roots ? I realize a mixture of water and dissolved nutients go IN the roots via roothairs, I believe. Besides...
Showing results 1 to 9 of 9

 
Forum Jump

All times are GMT -4. The time now is 06:39 PM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2021, vBulletin Solutions, Inc.