with his own Japanese translation.), the words Leonardo da Vinci told his disciples, and the sentences overflowing with “wisdom” from the beginning.
Kusamakura, the pinnacle of Kumamoto Tensui mandarin oranges, is a high-sugar mandarin orange with a sugar content of 12 degrees sorted by an optical sensor. In addition, agricultural products that have cleared the strict standard of less than 1% acidity. 安麻都美豆（アマツミヅ）: From the idea of looking up at the sky and waiting for the rain to come when the drought continues, it shifts to “waiting while looking up.”
Tensui Town, Tamana City, Kumamoto Prefecture, with its sunny slopes and sea breezes blowing from the Ariake Sea, is one of Japan’s leading mandarin orange cultivation areas. As the conditions for delicious mandarin oranges, the conditions of direct heat from the sun, which is unique to southern countries, reflected heat from the Ariake Sea, and reflected heat from the stone walls have been cleared. In addition, reduction of pesticides and fertilizers is being implemented taking advantage of the location. It seems that each tree is harvested at the right time.
In 1993, Kusamakura, a mandarin orange cultivation group, was established in Tensui Town, where the mild climate is suitable for citrus cultivation, with the aim of semi-permanently sustainable agriculture. It seems that the producers are aiming for full-fledged agriculture that takes the ecosystem into consideration by reducing the number of pesticides used as much as possible and by cultivating organic fertilizers.