Application of nitrogen-fixing systems in soil management
Hamdi, Y.A.
Application of nitrogen-fixing systems in soil management - Rome F.A.O. 1982 - 188 p. - No. 49; F.A.O. soils bulletin .
631.461.5
Application of nitrogen-fixing systems in soil management - Rome F.A.O. 1982 - 188 p. - No. 49; F.A.O. soils bulletin .
631.461.5