Lihakseen annetun prokaiinipenisilliinin aiheuttamat jäämät hoidettujen lehmien maidossa

Summary: Field trial on penicillin residues in milk after treatment of cows with injectable benzylpenicillin procaine

Estimation of soil nitrate in the spring as a basis for adjustment of nitrogen fertiliser rates

Selostus: Maassa olevan nitraattitypen arviointi simulointimallin avulla