The efficient use of fertilizer nutrients as influenced by soil testing, application technique and timing : report / transmitted by the Government of the Federal Republic of Germany ; prepared by D. R. Sauerbeck and F. Timmermann.
1982
Notice détaillée
Symbole[E/ECE/]AGRI/SEM.18/R.11
TitreThe efficient use of fertilizer nutrients as influenced by soil testing, application technique and timing : report / transmitted by the Government of the Federal Republic of Germany ; prepared by D. R. Sauerbeck and F. Timmermann.
DateGeneva : UN, 28 Dec. 1982.
Description
18 p. : charts, tables.
Notes
Includes bibliographical references.