Chinese researchers have claimed to have found a way to grow more food without an environmental toll, South China Morning Post reported, citing a scientific study in the scientific journal Nature. Researchers said they had tested “smart” agricultural management, using scientific knowledge to better match local soils and climate and optimise nutrient requirements, in more than 150 field experiments in major production areas for rice, wheat and maize in the past five years. Farmers could significantly boost yields and cut their reliance on fertiliser if the techniques were adopted, they said in the study published yesterday on the journal’s website.