EFFECT OF DIFFERENTIATED FERTILIZATION ON SOIL AND FODDER PRODUCTION OBTAINED ON GRASSLANDS IN THE MOUNTAIN AREA

TOADER CONSTANTIN, MĂRGHITAŞ MARILENA, PORUȚIU ANDRA, MOLDOVAN LAVINIA

Abstract


The paper highlights the evolution of soil fertility and fodder production in the mountain area with poor quality land for agricultural and horticultural practice, being necessary to take ameliorative measures regarding the delimitation of optimal and risk areas and implementation of differentiated soil fertilization systems to achieve superior qualitative and quantitative productions.

The soils in the mountain area are usually covered with natural forests and grasslands and the physical and chemical properties of each type of soil in the mountain area are in accordance with the solification factors. Cultivating these lands consolidates or modifies certain characteristics of fertility for these soils both as a result of anthropogenic interventions and as an impact effect of particular climatic or vegetation properties. The objective of the research presented in this paper is the effect of differentiated organic and organo-mineral fertilization on the quantitative and qualitative achievement of fodder production and the change of the main agrochemical indices of the soil in mountain area, without disturbing the environment.

Maintaining and improving the biodiversity of grasslands is a strategic goal for the mountain area, as agri-environment and climate measures reflect this within the European Union. In this sense, the experiments were located in the mountain area on an Agrostis capillaris type grassland with Festuca rubra, on a eumezobasic and eutricambosoil soil type, with a high clay and skeleton content as well as a small edaphic volume with low fertility.

The importance, originality and novelty of these experiments in the agronomic field, are due to problems still unresolved today, in terms of fertilization combinations, by implementing a soil fertilization system and ecological protection to maintain and increase the content of organic matter in the soil, in accordance to climatic specifics of the mountain area and to the requirements of nutrient consumption of fodder species, in order to achieve quantitative and qualitative fodder production.


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