Abstract
In the recent years, there has been a revival in the development and improvement of thermal weed control to deliver heat for weed management. Thermal weed control techniques are based on foliar contact mechanisms in which temperatures of approximately 100°C are applied for the duration of few seconds, resulting in intracellular water expansion and cell membrane rupture. Nowadays, several heat machines are being developed in many countries, which can be used to deliver heat for controlling weeds. Several biological and technical factors, including the weed type and their stage, soil properties, and energy consumption of the system, influence the practicability of these thermal weed control options. In this chapter, the impact of heat energy on the plant and soil/microbes and methods for the application of heat to control weeds, their mechanism, and merits or demerits has been discussed.
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