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...Analysis potential yield challenges to scale up of zero budget natural farming jo smith jagadeesh yeluripati pete and dali rani nayak school biological science university aberdeen uk information computational sciences james hutton institute corresponding author under current trends india s population people on earth will experience severe food deficiencies by increased production is urgently needed but high costs volatile prices are driving farmers into debt zbnf a grassroots movement that aims improve farm viability reducing in andhra pradesh alone have converted productive agricultural area however sustainability questioned because external nutrient inputs limited which could cause crash here we show likely reduce soil degradation provide benefits for low input nitrogen fixation either free living fixers or symbiotic legumes the major portion available crops even with maximum release only national average applied as fertiliser expected be supplied therefore higher systems penalties s...