Spatial variation of soil mineral nitrogen as a guide to sampling for site-specific management /
Oliver, Margaret A.,author.
International Fertiliser Society.
Dawson, C. J.,author.
"Paper presented to the International Fertiliser Society at a Conference in Cambridge, UK, on 11th December 2014."--Title page.
Includes bibliographical references.
Soil surveys
Soil mineralogy.
Nitrogen
Nitrogen in agriculture.
Precision farming.