Volume 77 Ljubljana, December 2001 Number 2 CONTENTS   Transfer of uidA gene into tobacco (Nicotiana tabacum L.) by Agrobacterium tumefaciens Suzana ŠKOF, Zlata LUTHAR Abstract Competition for nutrients between phytopathogenic and antagonistic soil fungi Franci CELAR, Milica KAČ Abstract The formation of assimilation apparatus in common buckwheat (Fagopyrum esculentum Moench) Jana Kalinová, Jan Moudrý Abstract Optimisation of amplified fragment length polymorphism (AFLP) analysis of hop wilt (Verticillium alboatrum and Verticillium dahliae) S. RADIŠEK, J. JAKŠE, B. JAVORNIK Abstract Redukcija nitrata v globljih plasteh tal (Nitrate reduction in deep soil horizons) Marina PINTAR, Franc LOBNIK Abstract Miscible displacement of nitrate and ammonium in soil columns Vesna ZUPANC, Miran VESELIČ, Peter CEPUDER Abstract Gojenje solate (Lactuca sativa L.) na aeroponski način z dovajanjem NO3– in NH4+ v hranilno raztopino (Lettuce (Lactuca sativa L.) grown in an aeroponical system with NO3– AND NH4+ IN nutrient solutions) J. DEMŠAR, J. OSVALD Abstract Comparison of fertilisation with organic or mineral fertilisers in a three year vegetable crop rotation Marijana Jakše, Rok Mihelič Abstract Effect of different nitrogen amounts in nutrient solution on plant growth and nitrate accumulation in aeroponically grown lettuce (Lactuca sativa l.) Nina KACJAN MARŠIĆ, Jože OSVALD Abstract Chestnut propagation with leafy cuttings: preliminary results Gregor OSTERC, Anita SOLAR, Franci ŠTAMPAR Abstract Speciation of lead, zinc and cadmium in contaminated soils from Mežica valley  Domen LEŠTAN, Helena GRČMAN  Abstract Wasp Neodryinus typhlocybae Ashmead – successful predator and parasitoid for reducing the population of flatid planthopper (Metcalfa pruinosa Say) also in Slovenia Ivan ŽEŽLINA, Lea MILEVOJ, Vincenzo GIROLAMI Abstract Osnove logistične regresije (1. del) (Basics of logistic regression (part 1)) Katarina Košmelj  Abstract Osnove logistične regresije (2. del) (Basics of logistic regression (part 2))  Katarina Košmelj  Abstract Dohodek na kmetijah (Income on the family farms)  Matija KOVAČIČ, Andrej UDOVČ, Bernarda ČEBULJ  Abstract Structure and control of weeds in wheat Latif RR. Susuri, Adem R. DEMAJ, Eshref S. MEMAJ Abstract Growing technique and cultivar choice as factors of the occurrence of lettuce downy mildew (Bremia lactucae Regel) on summer lettuce (Lactuca sativa L.) Stanislav TRDAN, Dragan ŽNIDARČIČ Abstract Statistična analiza prostorske in časovne razporeditve padavin v vegetacijskem obdobju v Sloveniji v obdobju 1961-2000 (Statistical analysis of spatial and time distribution of precipitation in the vegetation period in Slovenia in the period 1961-2000) Damijana KASTELEC Abstract Micronutrients, Mediterranean-diet and cardiovascular risk: the RIVAGE study S. VINCENT, C. DEFOORT, M. GERBER, R. PLANELLS, M. ROTILY, M.C. BERNARD, J.F. RENUCCI, P. VAGUE, D. LAIRON Abstract Changes in the minimum and maximum temperatures in Slovenia over the last 50 years Lučka KAJFEŽ-BOGATAJ Abstract Kakšna bo klima 21. stoletja? (The climate in the 21st century) Lučka KAJFEŽ-BOGATAJ Abstract Določitev in pomen temperature praga pri računaju termalnega časa (The determination and significance of the base temperature for calculating growing degree days) Zalika ČREPINŠEK, Lučka KAJFEŽ-BOGATAJ Abstract Content analysis of the papers in the Research Rreports vol. 77, no. 2 Tomaž BARTOL, Karmen STOPAR