Nitrogen in agricultural soils /
Nitrogen in agricultural soils /
Frank J. Stevenson, editor.
- Madison, Wis. : American Society of Agronomy, 1982.
- xx, 940 p. : ill.
- Agronomy ; no. 22 .
0891180702
Soils--Nitrogen content.
Plants, Effect of nitrogen on.
Crops and soils.
Nitrogen fertilizers.
S592.6.N5 / N566 1982
631.4/16�19
0891180702
Soils--Nitrogen content.
Plants, Effect of nitrogen on.
Crops and soils.
Nitrogen fertilizers.
S592.6.N5 / N566 1982
631.4/16�19