What chuck said is nearly correct ^^^^^^^^^^
It is basically all about the genes. Great terpenes come from great genes.
The "hay" smell is the most common problem people run into while growing, I was dealing with it for several years before I pulled my head out of my ass and listened to what other people were telling me.
The two factors that cause that smell:
Premature harvesting and premature curing (not letting your herb dry sufficiently before you jar it).
This is all really simple to fix....Your nutes have nothing to do with the flavor, you can waste all the money you want on Advanced Nutes, it has nothing to do with it.
My ladies get organic Crab Shell, one time throughout their whole life, and as you can see by the pic below, the herb doesn't really suffer.
And just my .02, FLUSHING IS NOT A GOD DAMN MYTH. Let your leaves fade before you harvest, if you don't, your plants are full of nutrients, period, the end. If you are a moron and can't tell how shitty your weed burns and smokes after improper flushing, then be my guest. I usually can't even smoke other people's herb because of how oblivious they are to its cleanliness. In fact, the last 3 times I've smoked other people's herb (3 separate times, all months apart), I've come down with a bronchial infection. I'm so damn sick of people telling other fellow growers that flushing is unnecessary, I almost wish there was a way to block people's posts once you've deemed them completely incompetent, and not backed by science in the least.
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