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chinafarmer

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I ran into some problems. My cannabis seedlings are 3 weeks old, but they are very thin and unable to stand. There are not too many leaves. Some of the top leaves have yellowed and the new ones have grown below Leaves withered and died. I would like to ask how this problem can be solved. And im in china no one can answer this questions for me . many thx for all the cannabis farmers. its my first grow ,all autoflowering. many thanks bro。
All my plants have encountered the same problem, is it because I did not change the ph
 

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I don’t know what you mean of feeding , he is in my diy tent, in china ,if u but grow tent online,police will go to ur hours,and its a 150w Edison bulb。 24h light
 
Cant say I know much about indoors. But I think you need like 18/6 or 16/8. Light night cycle and soil looks like it is ordinary. By feeding I mean nutrients. Phosphorus nitrogen etc... Somebody correct me but there can be 2 problems. Too much light is frying your leaves or 2. Nutrient deficiency. Buy nutrients in bottle and feed as said in label. And try to get new dirt from gardening store
 
in china online shop TAOBAO can buy general hydroponics nutrients,but if u buy that shit ,police willo put u in prison。 so bad country, f#ck that
 
You are left into making your own nutrients. Look online banana fruit peels egg shels and so much more stuff. And dont tell anyone what you have. Be carefull mate
 
Yes you have many videos online. Be carefull when you do that not to put too much. you usually need like 20-40ml per liter
 
You must understand how growing works. She is in vegetation where plant produces only leaves. When she gets to flowering stage she wilk produce flowers
 
They are tall and skinny because they're not getting enough light or the correct light and are reaching out to find some. The bulb you have gives you red spectrum and would help you once the plant starts to flower but you need a light that gives you blue spectrum for vegetative growth.

as for the yellowing it's normal for the little round leaves and the 1st single finger leaves to die they are grown because the baby plant can only manage a single set of leaves that grab the light as food for energy to start the next level multi finger leaves. I see some yellow on those leaves to and is either the soil is to rich or it could be the lack of light

plants need light, co2 as food and nutrients in the dirt once they grow roots and get bigger. All three of these things are food for plants, just like you if you eat or drink to much you don't feel good or if you don't eat or drink enough you don't feel good.
 
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