Continuing Revision of National Fertiliser Recommendations Through Co-operative Action
Agronomic Knowledge Transfer from Research to the Field – 24th Francis New Memorial Lecture
Nitrogen Fertiliser Planning and Marketing in a Changing World – 21st Francis New Memorial Lecture
Best Practice from Factory to Farm – Keynote Address and Discussion 3rd Int. Conf. Dec. 1994
Less-Intensive Integrated Farming Systems for Arable Crop Production and Environmental Protection