![Commercial medical Cannabis sativa plants presenting symptoms of apparent nitrogen deficiency as well as leaves suddenly drying and dying from the bottom upward. Any suggestions as to a likely cause would be Commercial medical Cannabis sativa plants presenting symptoms of apparent nitrogen deficiency as well as leaves suddenly drying and dying from the bottom upward. Any suggestions as to a likely cause would be](https://preview.redd.it/2e7auxi1vfp11.jpg?auto=webp&s=6ded1cca74b93531ed965f5b55a9fb0f39108222)
Commercial medical Cannabis sativa plants presenting symptoms of apparent nitrogen deficiency as well as leaves suddenly drying and dying from the bottom upward. Any suggestions as to a likely cause would be
![Can anybody explain to me why my bottom leaves are curling up and turning yellow? I assume they are curling because of too much heat but i dont understand the yellowing. pH- Can anybody explain to me why my bottom leaves are curling up and turning yellow? I assume they are curling because of too much heat but i dont understand the yellowing. pH-](https://preview.redd.it/9gh86i43s2031.jpg?width=640&crop=smart&auto=webp&s=34e95b655df97653ee0494ac3c1f492acfcaa35c)
Can anybody explain to me why my bottom leaves are curling up and turning yellow? I assume they are curling because of too much heat but i dont understand the yellowing. pH-
![Top is fine, bottom leaves are dying. help? - Grow Journals - I Love Growing Marijuana Forum by Robert Bergman Top is fine, bottom leaves are dying. help? - Grow Journals - I Love Growing Marijuana Forum by Robert Bergman](https://aws1.discourse-cdn.com/growingmarijuana/original/2X/a/a82e109742db2f1c2fda75605f876dfb81e724b4.jpg)