Science into practice - effects of flue gas quality on tomato plants

Eighteen years ago, HDC work concluded that the risk of plant damage from nitrogen oxides (NOx) in flue gases (used to raise CO2 levels in glasshouses) was slight provided the CO2 concentration remained between 300ppm and 500ppm.

You must sign in to continue.

You can register for a 14 day free trial subscription, or Subscribe Now for full access. View subscription options.

Please enter your details

Forgotten Password?

Having trouble signing in?

Contact Customer Support at
or call 020 8267 8121, or refer to our answers to frequently asked questions.

Subscribe for full access

Direct Debit

Most people subscribe by direct debit.


Credit Card

Subscribe by credit card


or Register for a 14 day free trial subscription

Already subscribed but don't have a password?

Activate your web account here