knowledge questions magazine in English
knowledge questions magazine in English published this article page no 26 the global food system and its sustainability are faced with a number of issues as a result of the growing demand on natural resources particularly land and water. in the coming years one of the key elements in ensuring water security and achieving the sdgs will be water management. water is a critical component of agricultural output and food security. knowledge quest magazine subscription agriculture is the worlds largest water user accounting for over 70% of all surface and groundwater withdrawals through irrigation. rainfed farming generates 60% of the worlds food while using just 80% of the cultivated land. irrigated farming delivers 40% of global food output on 20% of the land (fao 2021). in india agriculture consumes 80-90 percent of overall water consumption while half of the agricultural land is still rainfed knowledge quest magazine subscription details.
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