agricultural production is a basic, traditional constituent of the Hungarian economy. An importance question nowadays is how the land can be cultivated and agricultural goods produced under the conditions of sustainable development. From the plant nutrition point of view the establishment of an environment-friendly fertilizer recommendation system is essential if sustainable development is to be achieved. Most experts agree that this type of fertilizer recommendation system is able to fulfil the growing demands of a growing population, while keeping the environment in good condition for the next generations. The experts also agree that fertilizer application could not be replaced widely with organic farming alone. An environmentally friendly fertilizer recommendation system has to be sensitive enough to respond to the effects of different conditions, e.g. great spatial variability of soil characteristics, mosaic-like soil cover, climate, crop rotation practices, soil nutrient supply, etc. There was a dramatic change in Hungarian agriculture at the beginning of the 90s, as the result of which the use of fertilizers decreased sharply for several reasons, e.g. privatization, changes in ownership, withdrawal of state subsidies for mineral fertilizers, drought, etc. Both Hungarian agriculture and the country as a whole is now facing two challenges, i.e. to overcome the economic difficulties and to complete the final phase of preparations to join the EU. Land use change scenarios have proved that the natural endowments of Hungary are suitable for integrating agricultural production with environmental and landscape protection and nature conservation.
community recovery. In: Proc. 4th Internatl. Conf. Ecosystems and SustainableDevelopment , June 4-6,2003, Siena, Italy. WIT Press, Southampton.
The use of taxonomic diversity indices in the assessment of perturbed
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sylvestris , 25 June 1975, D. D. Awasthi and K. Dange 75408 (LWG-LWU 04523). Acknowledgements This study was supported by the G. B. Pant National Institute of Himalayan Environment and SustainableDevelopment under the grant number [GBPI/IERP/16- 17
Authors:G. Boutsis, G. Stamou, and M. Argyropoulou
WWF-Greece. 2002. Society for the Protection of Prespa (SPP), Protection and Preservation of Natural Environment in Albania (PPNEA), Macedonian Alliance for Prespa (MAP), Strategic action plan for the sustainabledevelopment of the Prespa Park, Ag
fimbriatula, L. impudens, Protoparmeliopsis muralis S. homoclinellum Acknowledgements The author thank G. B. Pant National Institute of Himalayan Environment and SustainableDevelopment (GBPI/IERP/16-17/16/175) and Council for Scientific and Industrial
The integration of conventional plant breeding and plant transformation is necessitated by the fact that, prior to the gene technological phase, traditional breeding methods have to be used to develop agronomically valuable homozygous genotypes which can then be modified for a gene or genome segment by means of gene manipulation techniques. Once the genotype selected by means of conventional breeding has been transformed, traditional methods are again used to examine the agronomic properties of the lines developed from the transgenic plant and the stability of the transgenic variety, following the DUS criteria elaborated by UPOV. The seed production of genetically modified plant varieties must be safe and economical and the cultivation of the variety should contribute to the sustainable development of up-to-date crop production.