Results 81 to 90 of about 438,944 (206)

List papieża Jana Pawła II

open access: yesVox Patrum, 1999
...
Jan Paweł II
doaj  

Copper reduction and copper replacement - results and experiences of 12 years of on farm research [PDF]

open access: yes, 2002
Copper is a very common pesticide in organic viticulture, used against different diseases. But it is long term toxic for soils. That is why organic winegrowers try to reduce its use.
Hofmann, Uwe
core  

The spread of new viral pathogens and phytoplasmas in cultivated plants and their risks

open access: yesFood Risk Assess Europe, Volume 4, Issue 1, January 2026.
Abstract The study contains a description of the genome and particles, spectrum of host plants, geographical distribution, forecast of spread and impacts on agricultural production, disease symptoms, life cycle, and means of protection in integrated and organic production in the Czech Republic for 22 plant viruses, 3 viroids and 4 phytoplasmas, in ...
wiley   +1 more source

The development of the professionalism of adult educators: a biographical and learning perspective [PDF]

open access: yes, 2011
To investigate the development of the professionalism of adult educators, we compare individuals’ narratives of their professional work at different times in their biographies. Using data from a qualitative longitudinal study, the paper includes two case
Hof, Christiane, Maier-Gutheil, Cornelia
core   +2 more sources

Reduzierte Bodenbearbeitung im Ökologischen Landbau: Einfluss auf Leistung und Struktur der Bodenmikroorganismengemeinschaft [PDF]

open access: yes, 2003
Problemstellung/Ziele: Im Projekt ‚Ökologische Bodenbewirtschaftung’ (PÖB) der Stiftung Ökologie und Landbau, Bad Dürckheim, wird seit 1995 am Standort Rommersheim, Rheinhessen, eine differenzierte Grundbodenbearbeitung mit den Varianten Pflug (P ...
Embacher, A.   +2 more
core  

Methodological aspects of determination of biological N-fixation of different forage legumes [Methodische Aspekte der Bestimmung der biologischen N-Fixierung verschiedener Futterleguminosen] [PDF]

open access: yes, 2002
Knowledge about the amount of fixed nitrogen of different legume crops is very important for calculation of farm N balances. According to literature the choice of determination method may have an impact on the estimated amount of N fixed by a legume ...
Loges, Ralf, Taube, Friedhelm
core  

Czynności sprawcze oraz przedmiot czynności wykonawczej przestępstwa fałszu materialnego dokumentu w kontekście rozbieżności interpretacyjnych doktryny i orzecznictwa

open access: yesStudia Prawnicze KUL
Celem niniejszego artykułu jest analiza czynności sprawczych oraz przedmiotu czynności wykonawczej przestępstwa fałszu materialnego dokumentu w kontekście rozbieżności interpretacyjnych doktryny i orzecznictwa.
Joanna Koczur
doaj   +1 more source

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