1. Agrifood Statistics Yearbook, 2019. Yearbook of agricultural statistics of the Spanish Government. URL: . accessed July 4, 2019.
2. Development of a new harvesting module for saffron flower detachment;Antonelli;Roman. Rev. Precis. Mech., Opt. Mechatron.,2011
3. Bertetto, A., Falchi, C., Pinna, R., Ricciu, R., 2010. An integrated device for saffron flowers detaching and harvesting, in: 19th International Workshop on Robotics in Alpe-Adria-Danube Region - RAAD 2010, Budapest, Hungary.
4. Bertetto, A., Ricciu, R., 2012. Mechanization in harvesting saffron: an opportunity for economic development in sardinia. In: Advances in Business-Related Scientific Research Conference 2012 in Olbia (ABSRC 2012 Olbia), Olbia, Italy.
5. A preliminary study on the flowering forcing of paeonia suffuticosa via low temperature in fuzhou;Cun-xiang;Subtrop. Agric. Res.,2006