one of important resources for recognizing iranian islamic garden and gardening is the book of abu nasr heravi, ershād al-zerā’a. the author, qasim-ibn yusuf abu nasr, lived in the city of herat and the book is related to the late period of timurid (about 921/1515). this book is a valuable resource in the subject of agriculture and gardenin. the purpose of gardening and agriculture, planting me...