The Central Region of Aceh including of Bener Meriah, Central Aceh, Gayo Lues and Southeast Aceh districts, are the highland area of Aceh which has the potential to produce various agricultural commodities. However, the development of agricultural patterns in changing land uses has an impact on a sustainable agricultural system. This Agroecological Zone Innovation study aims to identify development priorities for leading agricultural commodities and the suitability of commodities cultivated by farmers with existing land. The results of the study show that the plants are included in the main development priority group, exist in the community, are proposed for development by farmers and are suitable for development based on the analysis of the expert system in Bener Meriah are coffee, tomatoes, avocados and oranges; in Central Aceh does not exist, in Gayo Lues are shallots and red chilies; and in Southeast Aceh is corn. Expert system analysis with agroecological zone input shows that in general the four districts in the Central Region of Aceh are suitable for the development of plantation, paddy and secondary, vegetables and fruits crops where their locations are spread across almost all sub-districts of Aceh Central Region.

Nutmeg, which is native to Indonesia, is also a superior plantation crop in South Aceh District. As a superior crop that concerns the lives of many farmers, the sustainability of the nutmeg crop needs attention. Sustainability research conducted in Samadua District was conducted to determine the condition of the sustainability of nutmeg plants based on the economic, social, environmental and post-harvest cultivation dimensions. The results showed that in multi-dimensional, social, and environmental dimensions, the nutmeg plant was in a fairly sustainable condition. But the nutmeg crop is less sustainable in the economic dimension, post-harvest cultivation. Therefore, the development of nutmeg in South Aceh District, especially in Samadua District, needs to consider this condition of sustainability status.

The aim of the research is: to find out how the marketing communication strategy of Taman Raja Batu is in increasing the flow of tourism in Mandailing Natal Regency. To find out what factors hinder the tourism marketing communications of Taman Raja Batu in increasing the flow of tourism in Mandailing Natal Regency. The marketing communication strategy for Taman Raja Batu Tourism carried out by the Mandailing Natal Regency Tourism Office through various forms of promotion both internally and externally, in the form of promotion through social media which primarily targets young people and adolescents, bearing in mind that in the millennial era as when These young people and teenagers are inseparable from social media Facebook and Instagram. The inhibiting factors in tourism marketing communication at Raja Batu Park in increasing the flow of tourism in Mandailing Natal Regency are very minimal tour guides, so they are unable to create good communication in every introduction to tourist objects. The Tourism Office in increasing the flow of the tourism sector in Mandailing Natal Regency as the manager, lack of awareness, mindset and participation of the community's role in every activity in Taman Raja Batu Tourism.