dried buds

Greetings from the peach state. I'm 5 and a half weeks into flowering and one of my plants seem to have stopped taking up water. The buds are really under devoloped and now they starting to dry out they feel crunchy. I also noticed the plant soil stays moist way longer than the others like the roots aren't tking up water. I have 7 plants total and they all are doing great except the one plant. Can someone tell me what my problem may be.

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wish there was an answer as I lost several plants to this described issue. Perhaps 7 dead in 40. Youch!

if the buds are drying up and no water intake means you have a root issue going on. you got rotten/burnt roots. rotten if you didnt supply the soil with enough aeration or your burnt your plants with to much nutes