"Complex and demanding legislation is driving the need to reduce the environmental impact of pesticides," said The UK Pesticide Guide editor Martin Lainsbury.
Lainsbury said: "It has raised the professional competence of those who store, advise and use them."
The 22nd edition of the guide features 1,300 products, including 250 product replacements and introductions.
Five new actives include amisulbrom, bromuconazole, ipconazole, mepyl dinocap and spirodiclofen, and there are several "novel mixtures" of existing actives.
The guide is published by BCPC and CABI, and costs £42.50. Alternatively, subscribe to the online version at www.plantprotection.co.uk.