Wikipedia
Al-Tighnari
Muhammad ibn Malik al-Tighnari, Al-Tighnari (1073–1118), was an important Agronomist, Botanist, Biologist, Farmer and author. Originally from Tignar, a village a few kilometres north of Granada. He wrote a treatise on agronomy in 12 chapters entitled Zuhrat al-bustān wa-nuzhat al-adhhan (The Flowers of Garden and Intellect) for the Almoravid prince Tamim, son of Yusuf Ibn Tashufin. Prince Tamim was governor of the province of Granada and patron of Al-Tighnari and other Agronomists and Botanists.
He was a strong advocate of fair taxation, food security and Agronomy.