Estimation of organic matter content in peat-muck soil in conditions of diverse use of meadow sward 1-10 MARIUSZ ARTUR KULIK PDF (Język Polski)
Effect of selected elements of agricultural technology on the essential oil content in roots and rhizomes of common valerian (Valeriana officinalis L.) 11-15 HUBERT MONIUSZKO, JANUSZ WIŚNIEWSKI PDF (Język Polski)
pH and the content of macroelements in soils after the flood in the central Vistula River valley 16-24 WIESŁAW BEDNAREK, PRZEMYSŁAW TKACZYK, SŁAWOMIR DRESLER PDF (Język Polski)