In organic planting, shouldn't the nitrogen content in the soil be controlled in the late flowering period?

Does too much nitrogen affect the quality of flowers？

Subcool didn't think so.

With things like Super Soil. The plant has access to same amount nitrogen until its cut.

Then you have General Hydroponics. Where their million dollar scientists developed a feed plan. That restricts nitrogen in the last two to three weeks.

sunflower710 said:

Does too much nitrogen affect the quality of flowers？

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If possible you should avoid too much nitrogen in any stage of growth. My strategy is to have as little available N salts floating around in my soil as possible - meaning the N that's not held by the soil's CEC, or about to be released from complex organic molecules during continuous cycling by your biology. In other words, I try on rely on the natural nitrogen cycle rather than adding salts to my soil even if organically derived.

This puts your plant in control for what it needs when it needs it. Your CEC and organic matter are N (and other nutrient) reservoirs that plants can choose to draw from. In flower they need much less N, and the later you are in flower the less they need. So they take less. But remember your biology is still going full blast, and eventually you'll get more N building up, saturating available caption exchange sites in your soil. N, particularly in no-till, is precious which is the reason I time a cover crop the way I do - in order to sequester some of that nitrogen back into complex organic molecules making up the cover crop plant tissue.

I’ve always had the opposite problem. I have yet to burn plants in soil w/organic ferts even when amending heavily. I have seen a few of my plants get clawed leaves in early bloom but by week 9 they are pale and yellowing. There really is no way of controlling plants that are feeding naturally. I can see why you would stop giving nutrients late in bloom but naturally feeding plants stop pulling them down on their own during maturation.