light green leaves

Discussion in 'Newbie Central' started by whoareyou, Dec 15, 2007.

  1.  
    whoareyou

    whoareyou Active Member

    hi!

    what can be the reason for the leaves going light green?

    another thing - when in veg use only vegging fertilizer and in blooming a bloom fert, or should i use a mixture in some periods of the plant's life?

    thanks.
  2.  
    mondaypurple

    mondaypurple Well-Known Member

    lack of nitrogen..most likely. if it's the new leaves that are coming in light green, it's not something to be too worried about.
  3.  
    crazy-mental

    crazy-mental Well-Known Member

    stick to vegg for vegg. and so on. plants can turn yellow due to too much food. try to lay off the nutes.
    how old are your plants. any pics
  4.  
    motorheed

    motorheed Active Member

    it sounds like a nitrogen deficiency mate

    also when in flower keep using your veg nutes(in the uk we use bio-bizz nutes, grow for veg,then add bloom for in2 flower with the grow also) but you need2 keep your veg nutes which have a higher concentration of nitrogen as well as your bloom nutes nearly all the way till the end,NEARLY ALL THE WAY:joint:

    also are the leaves only getting lighter from the bottom only?
  5.  
    whoareyou

    whoareyou Active Member

    thanks for the answers.

    first of all my plants are little more than 2 mothns old, 4 weeks into blooming.

    the thing is, they went light green as soon as i went into blooming (and it started from bottom and went upwards).

    after a tip from a friend i started mixing the bloom fert with a little veg fert and it seemed to help. the thing is some ppl told me its not a good thing to do.

    so should i continue the mixture?

    also, i use bio-bizz ferts. do these ferts have an expiration date? cuz i think they have been "sitting" on the shelf for a while...

    thanks.
  6.  
    crazy-mental

    crazy-mental Well-Known Member

    any pics. they would help.
  7.  
    stemseed

    stemseed Well-Known Member

    also make sure ur light isnt too close. but yea, sounds like nutes. pics would help
  8.  
    whoareyou

    whoareyou Active Member

    ok, until i u/l some pics please tell me - is it bad mixing veg and bloom ferts? even if i put like 20% veg fert and dont exceed concentration recs?
  9.  
    email468

    email468 Well-Known Member

    My nutrient directions have me mixing Grow and Bloom (and a Base) throughout the entire plants life cycle - in different proportions of course.

    So I would say no - in fact it is recommended to add both Grow and Bloom during the 1 or 2 week transitional phase between veg and flowering. You should also be reducing the PPM of your nutes to about 1/3 of the current when you start the switch.

    Does your nute manufacturer provide a feeding schedule with your nutes or online that you can consult?
  10.  
    email468

    email468 Well-Known Member

    and as others have stated - the symptoms you are describing does sound like a Nitrogen deficiency.
  11.  
    stemseed

    stemseed Well-Known Member

    that's assuming that he is using a ppm meter. i would guess not.

    invest in a good tds/ph pen!
  12.  
    email468

    email468 Well-Known Member

    good point. But i figure we'll find that out depending on the next post. Could be anything from: "What's PPM?" to "Oh yeah - already checked that it is OK".
  13.  
    dano96

    dano96 Member

    i have new growth thats light green but the light green is taking longer to turn , is there anything i can do to fix that.. likr the first guy mine are 1 month into flowering under a 400HPS about 6-8" from the light..
  14.  
    Wondrboy

    Wondrboy Member

    Why
    This is stupid irrelevant and obviously stolen from another source. Do you have any actual gardening experience? Several of your posts are clearly copied and pasted from 'who knows where', always off topic, and do not aid the better education of the hobby. Stop wasting your own time and the time of others.
  15.  
    reese123

    reese123 Member

    totally agree with you wondrboy!
  16.  
    FresnoFarmer

    FresnoFarmer Well-Known Member

    Its most likely a N deficiency just try to grab some Miracle Gro Bloom Booster if you can and feed at half strength. You should be fine as it is 15-30-15.
  17.  
    highway42O

    highway42O Active Member

    I care not if this was copied from someone else or not.. I think its great info and says a lot.. although it is a little confusing like it is copied
  18.  
    highway42O

    highway42O Active Member

    Also don't care if this page is over 5 years old.. Ill take a hit and forget about it.
  19.  
    jesburger

    jesburger Active Member

    plant turned super light green everywhere after being at 4.3 ph for a long time (tester needed calibration), ph is stable now and N supplement has been added

    how long until the leaves turn back to healthy green?

Share This Page