Abstract
On the basis of a literature review, the directions for transition of agriculture from the productive to the post-productive model are presented. A methodological framework has been developed, including the directions of the transition and the indicators on which it can be assessed. On the basis of this implementation, the passage from quantity to production quality, to the sustainability of agriculture, to new business models based on multifunctionality are assessed. It turns out that the changes in Bulgarian agriculture cannot be assessed unambiguously. The transition to sustainability is accompanied by continued mechanization and digitization of technological processes. There is a simultaneous development of both the productive and the post-productive model of agriculture. Together with the increasing interest in organic production, the implementation of environmentally friendly practices and the implementation of ecosystem services, modernization based on computerization and chemisation continues.
 The results are part of scientific project DN 15/8 2017 Sustainable multifunctional rural areas: reconsidering agricultural models and systems with increased demands and limited resources funded by the Bulgarian research fund.
Highlights
The model of agriculture at the end of the 20th century is based on the productive farming regime
Protected Geographical Indication Schemes (PGIS), Protected Geographical Indication (PGI); iv. a change in the number of agricultural holdings and the relative share of network structures; i. a change in the number and relative share of agricultural holdings applying agri-environment schemes; ii. a change in applied plant production technology; iii. a change in applied fertilization standards; iv. a change in the use of plant and animal protection preparations; i. a change in the number of farms engaged in non-agricultural activities; ii. a change in the use of natural resources; state i. changes in support priorities ii. decentralization of approaches, measures and means of support
The transition to sustainability is accompanied by continued mechanization and digitization of technological processes
Summary
The model of agriculture at the end of the 20th century is based on the productive farming regime. Its characteristics - the strictly defined position of the agriculture in the community, the industrialized and specialized production under the conditions of a protectionist agrarian policy - have become one of the main reasons for the negative trends in the socio-economic, ecological, demographic and other processes. The authors point out that "the rapid pace of concentration of agricultural production and the increasing polarization of agricultural structures has led to significant problems both in intensive farming areas and in disadvantaged areas" (EC, 2010, 2011). The deepening of specialization, intensification and concentration of agriculture are the reason for the increase of the uniform production areas, the nonrational use of natural resources, the increase of the negative impacts of the activity and the standardization of the nutritional qualities of a number of products. Continued drive to reduce production costs to keep production competitive, puts constant pressure on food quality, environmental standards and working conditions
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