Dainis Lapins, Janis Kopmanis, Aigars Plume, Janis Gmizo Latvia ...
Dainis Lapins, Janis Kopmanis, Aigars Plume, Janis Gmizo Latvia ...
Dainis Lapins, Janis Kopmanis, Aigars Plume, Janis Gmizo Latvia ...
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ENGINEERING FOR RURAL DEVELOPMENT Jelgava, 26.-27.05.2011.<br />
Increased content of potassium in both the soil arable and subsoil layer has a significant (p