Avaliação da sustentabilidade dos agroecossistemas familiares de cultivo do abacaxi irrigado versus sequeiro mediante aplicação do Mesmis em Touros-RN.

Abstract

The thesis brings up the evaluation of sustainability of agroecosystems cultivation of irrigated versus dryland pineapple. Agriculture is one of the fundamental activities in the Region of Mato Grande – RN, emphasizing the cultivation of pineapple, especially in the town of Touros – RN, with a predominance of monocultures on family-based agroecosystems under irrigated and rainfed condition. This study aimed to assess the sustainability of agroecosystems familiar pineapple cultivation by applying the Model Framework for Assessment Systems Natural Resources Management Incorporating Sustainability Indicators (MESMIS) at Touros – RN, in the years 2011 and 2012. The search was performed using the MESMIS, 16 agroecosystems family. The data were systematized, from the theoretical research, field research with farmers and direct observation of the researchers. The perception of farmers, dryland and irrigated agroecosystems, revealed a uniformity as indicators of the proposition. These indicators were systematized, from the potentialities and limitations of agroecosystems familiar pineapple cultivation, enabling the identification of the scope of the attributes of sustainability conducted the study, initiating the determination of diagnostic criteria. The criteria showed a more generalist, while the indicators were more focused on the reality studied. Note also, that the criteria were established in order to ensure the effectiveness of these in step measuring and monitoring the process of assessing the sustainability of agroecosystems family cultivating pineapple studied. Finally, the results showed greater sustainability in irrigated agroecosystems (grade 2.1), falling below the (grade 3.0), considered the ideal, however that are more sustainable dryland, with the degree of sustainability of 1,7. This difference arises because in irrigated agroecosystems are being incremented advances in social and economic indicators from the implementation of the monoculture of pineapple, while in dryland agroecosystems results suggest weaknesses in these indicators, however is noticeable by its farmers desire adoption of irrigation techniques as collateral for social and economic advances.