Volume 73 Ljubljana,  1999 Number 1 CONTENTS   The effect of nitrification on fixed 15N ammonium release in soil David STOPAR, Ivan MAHNE and France MEGUŠAR Abstract Transformation of barley microspores by electroporation Zlata LUTHAR Abstract Food factors affecting the starch metabolism in men and their importance in the human diet Vida ŠKRABANJA Abstract Fagopyrum esculentum Moench. Chemical review Hansjoerg HAGELS Abstract Resveratrol and hydroxycinnamic acids substances in wine for the prevention of coronary artery disease Urška VRHOVŠEK Abstract Disease control in organic apple production Mojca VIRŠČEK-MARN, Franci ŠTAMPAR Abstract The influence of plant density and covering on yield of bell peppers (Capsicum annuum L.) Dragan ŽNIDARČIČ, Jože OSVALD Abstract Rearing of the common green lacewing, Chrysoperla carnea Stephens, in the laboratory Lea MILEVOJ Abstract Effect of air temperature, pH and nutrition on growth and sporulation of Ascochyta pisi R. L. SUSURI, D. J. HAGEDORN, R. E. RAND Abstract Some morphological characteristics of Phragmidium spp. Latif R. SUSURI, Nysrete DODA-GASHI Abstract Morphologische und biotische Eigenschaften des Pilzes Colletotrichum coccodes (Wallr.) Hughes, dem Verursacher des Kartoffelknollenbrandes Jože ŠAVOR Abstract Agraroperationen in Slowenien an der Jahrtausendewende Andreja BOREC Abstract The interest of the inhabitants of Škocjan caves regional park in farming activity Dragan ŽNIDARČIČ Abstract Znižanje vsebnosti ergot alkaloida ergotamina v gojišču ob prisotnosti kvasovk (The reduction of ergotamine ergot alkaloid from the growth medium by yeast cultivation) Marjeta RECEK, Tatjana ZAGORC, Peter RASPOR Abstract Impact of ozone on appearance of leaf injuries and changes in selected biochemical parameters of white clover (Trifolium repens L.) Leopolda PAČNIK, Franc BATIČ, Helena ŠIRCELJ Abstract Influence of fruit thinning chemicals on photosynthetic activity and vitality of apple leaves (Malus domestica Borkh.) Metka ŠIŠKO, Matej STOPAR, Helena ŠIRCELJ, Franc BATIČ Abstract Estimation of the zone of influence of Trbovlje power station on the basis of bioindication methods Franc BATIČ, Natalija VIDERGAR-GORJUP, Helena ŠIRCELJ, Andreja BIENELLI, Andrej STRNIŠA, Primož SIMONČIČ Abstract The influence of water stress on the quantity and quality of hops yield (Humulus lupulus L.) cv. ’Savinjski Golding’ Dušica MAJER Abstract Uporaba modelov splošne cirkulacije za izdelavo scenarijev klimatskih sprememb na območju Slovenije (Use of general circulation models (GCM) for estimation of scenarios of climate change for Slovenia) Klemen BERGANT, Lučka KAJFEŽ-BOGATAJ Abstract Vpliv Cr(III) spojin na preživelost kvasovk (Effect of Cr(III) compounds on yeasts survival) Maja PAŠ, Sebastjan PRAH, Peter RASPOR Abstract Chicory variability (Cichorium intybus L.) cv. ‘Goriški’ Jože OSVALD Abstract Preliminary studies of leaf net photosyntesis, planting systems and yield of some apple cultivars (Malus domestica Borkh.) Tomaž SINKOVIČ, Helena PODGORNIK, Helena ŠIRCELJ, Franc ŠTAMPAR, Franc BATIČ Abstract The physico-chemical characteristics of Slovenian honey Terezija GOLOB, Anamarija PLESTENJAK Abstract Social assessment of beneficiaries to planned irrigation schemes in the framework of Slovenia irrigation project Andrej UDOVČ, Matija KOVAČIČ and Franz – Dieter WAHL Abstract International scatter of salvia-related articles in serial publications and availability of core salvia-related serials in the libraries in Slovenia Tomaž BARTOL Abstract (Prvi profesor kmetijstva v Ljubljani Jožef Pl. Vest in njegov sadni izbor - ob 230-letnici rojstva) France ADAMIČ Html