Abstract
Many agroindustries that process sugarcane raw to produce sugar and ethanol, and for energy cogeneration have difficulties to obtain all the necessary raw material. The agrarian contract practice can allow access to land in order to increase the production of sugarcane, without immobilizing resources in terms of the purchase of land, reducing the idle capacity of industrial plant, and increasing the cogeneration of energy by burning bagasse and sugarcane straw. It appears that the form of production of sugarcane (i.e., through land leasing, sharecropping, independent producers, etc.) can significantly affect the total costs of the industrial process. This work looks to find an empirical relation between the type of sugarcane producers and the energy produced by the mill based on data of the Agricultural Census of Brazil and monitoring data of power plant operation parameters of a typical mill in Brazil. It was found that the sugarcane raw coming from lands worked for tenants and sharecroppers increased his participation 112% and 469% respectively in the energy generation in the period 2006 to 2017.
Highlights
The utilization of clean sources and renewable energy, the increase in sugar consumption, and the development of other bioproducts by the sugar-energy sector has increased the demand for sugarcane [1, 2]
Studies show that there is a high potential for energy generation from the burning of sugarcane biomass residues in Brazil [3, 4]
Many agricultural industries that burn sugarcane biomass face difficulties when it comes to obtaining the main raw material they need
Summary
The utilization of clean sources and renewable energy, the increase in sugar consumption, and the development of other bioproducts (e.g., fuels, plastic products) by the sugar-energy sector has increased the demand for sugarcane [1, 2]. Studies show that there is a high potential for energy generation from the burning of sugarcane biomass residues (i.e., bagasse and straw) in Brazil [3, 4]. There are reports in the literature on the practice of entering into agrarian contracts (i.e., leasing and sharecropping) by sugarcane agribusinesses in Brazil, as a way of expanding sugarcane production [1, 5, 6, 7]. In Brazil, for many landowners, the practice of agrarian contracts as leasing and sharecropping for sugarcane production to supply sugarcane industry may be more profitable than if they worked the land themselves [1, 8]. From the mill's point of view, the agrarian contracts have led to an increase in the raw material production needed to generate energy from sugarcane solid residues as bagasse and sugarcane straw [5]. The objective of this article is to analyse the forms of access to land
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