Search Results - "Plants, Effect of nitrogen on"

Nitrogen in crop production proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama

Subjects:

Nitrogen and soil organic matter proceedings of a conference organized by the soil scientists of the National Agriculture Advisory Service, October 22nd-23rd 1964

Subjects:

Nitrogen in agricultural soils /

Subjects:

Mineral nitrogen in the plant-soil system / by Haynes, R. J.

Subjects: “…Plants, Effect of nitrogen on.…”