Results 81 to 90 of about 438,944 (206)
Copper reduction and copper replacement - results and experiences of 12 years of on farm research [PDF]
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
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]
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]
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
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Methodological aspects of determination of biological N-fixation of different forage legumes [Methodische Aspekte der Bestimmung der biologischen N-Fixierung verschiedener Futterleguminosen] [PDF]
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
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Przemówienie Ojca Świętego Jana Pawła II do delegacji asyryjskiego Kościoła wschodu
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Jan Paweł II
doaj
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

