Among the options listed, cannabis has emerged as a viable alternative crop for farmers in some Latin American countries due to its potential for high profitability and increasing legalization in various regions. However, it's important to note that the legality and market dynamics can vary significantly between countries.
While coffee is a traditional cash crop with established markets, it may not offer the same rapid profit potential as cannabis in some contexts. Coca and poppy, which are associated with the production of cocaine and opiates, respectively, often come with significant legal and social consequences, making them less desirable options for sustainable farming practices.
In summary, cannabis is currently considered a good alternative crop due to its profit potential and changing legal landscape.