For hard copy owners of RB209, please refer to this amendment sheet

The AHDB Nutrient Management Guide (RB209) offers best practice guidance on the application of mineral fertilisers, manures and slurries to crops and grassland. All seven sections can be accessed from this page. Download section 1, below.

In this section you will find information on the nutrient content of organic materials such as manures, compost and digestate.

In this section you will find information on how to determine the nutrient requirements of grass and forage crops.

In this section you will find information on how to determine the nutrient requirements of potatoes.

In this section you will find information on how to determine the nutrient requirements of vegetables and bulbs.

RB209 provides essential nutrient management guidance. These guidelines provide more detail on N, the most important nutrient on the most extensive UK crop, wheat.

Take-all is a serious soil-borne disease of cereals. It is estimated that half of UK wheat crops are affected and that they suffer average yield losses of 5 to 20%. This publication provides an overview of the disease and management options.

These guidelines describe how lodging resistance (or standing power) in winter wheat is altered by the environment and crop management.

All the main areas associated with growing oilseed rape are covered in this guide – from understanding the market, to its agronomic, harvest and storage requirements.