Precision Agriculture - Practical Applications of New Technologies: Keynote Address and Discussion, 7th Conference (Proceedings of the International Fertiliser Society)

by: John Selwyn Gummer · Peter Botschek International Fertiliser Society · 1998 Ppb. details (UK). details (United States). details (Canada). details (Germany). details (France). ISBN: 978-0-85310-062-1 ISBN-10: 0-85310-062-4