He advises the "farmer of the mind" to keep the channels of service open. If you block the sluice gate (greed, anger), the top field dries out, and the bottom field floods.
“They reap the grain, they eat the rice, they don't know the One who gave the rain.” ( Tiruvaymoli 5.8.1) nammalvar books agriculture
Overall rating (qualitative) Valuable as a culturally rich, ecologically minded compendium of traditional Tamil farming knowledge — highly recommended for context-appropriate use and historical study; use alongside modern agronomic guidance for contemporary farming. Uplands and Wetlands: The Topography of Devotion
Agriculture, in Nammalvar's view, is not just a physical activity but also has spiritual dimensions. He encourages farmers to approach farming with mindfulness and a sense of reverence for the land, echoing the concept of "Krishnam Vande Jagadgurum" or a deep respect for the earth as a living entity. Spiritual and Cultural Connection: Agriculture