THE IMPORTANCE OF CERTAIN ELEMENTS IN PLANT NUTRITION

aronia

Mineral nutrition of plants represents the most impotrant segment of plant production. The proper nutrition
means that the plant has on its disposal a sufficient quantity of all sorts of feed, optimal soil pH, content of humus, the
proper water regime. Each sort of plants has specific requirements regarding nutrients. The requirements of plants
acording to nutrients change depending on the stage in which the plant is. The optimum of nutrition means that the plant
has available quantities of nutritions in line with current needs. At first, deficiencies of nutrients are manifested with
the initial symptoms of deficiency, chlorosis, absence of chlorophyll, while serious deficiencies produce stunted plants,
non resistant of disease, and all resulting in a reduction of yield and fruit quality. Also, surplus of nutrients is reflected
negative on the development of plants, because in that case the unwanted processes in developments of plants are
stimulated or it could cause antagonism of the adoption of the other nutrition elements.

Autors: . Nataša Ademi

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SUSTAINABLE DEVELOPMENT

Rio de Janeiro’s 1992 conference put sustainable development clearly on the political agenda. Twenty years on at the Rio+20 event held in June 2012, the international community met again to discuss these issues and drive progress forward.

Many of ISO’s 19 000 standards can help businesses and organizations all over the world make progress in the three pillars of sustainable development:

  • environment;
  • economy;
  • society.

 

APPLICATION OF FACTOR ANALYSIS IN EVALUATION OF THE CONSULTING DEVELOPMENT IN SERBIA

The aim of this study is to determine the main factors of development consulting services in Serbia. The verification was done by a procedure, by which have been achieved relevant scientific conclusions – by data research in the field, where had been respected factor analysis criteria, according to which had been possible adequate conclusions and generalization.

Namely, taking into consideration the results of empirical research, it can be concluded the following: Three the most important factors of consulting services development are: education and awareness, developmental projects and affirmation of market business. In regard to actual consulting trends in the countries of our region, as well as a level of consulting development in the EU countries, the market of consulting services in Serbia has not developed significantly in last period. The owners and managers of enterprises still do not feel a need for external services, by which they would resolve business problems.

Autor: B. Mihailović