Food and water are essential to human existence. The availability of these resources is jepordized by the growing global population. Considering the current rate of increase, earth's human population will reach 9 billion by 2050 and will be faced with the declining quantity and quality of water resources available for human consumption and agriculture. To mitigate the consequences of this upcoming water shortage, water productivity must be increased through the sustainable management of available resources. Irrigation constitutes 70% of total water use worldwide. The primary aim of irrigation is to provide optimal production conditions for crops. Accurately replenishing the water utilized by the agricultural system can ensure its environmental sustainability. read more about Irrigation and Plant Environment