In an industry that is constantly striving to revamp its public image, there’s no getting around the thorny issue of wasted fertilizer.
As a recent FAO report from the UN states, “Poor use efficiency of current fertilizers is a major issue. For instance, in China, the world’s largest consumer of nitrogen fertilizer, up to 50% of the nitrogen applied is lost by volatilization and another 5% to 10% by leaching.”
A study from Tamil Nadu Agricultural University in India found that, “Nutrient use efficiencies of conventional fertilizers hardly exceed 30-35 %, 18-20 % and 35-40 % for N, P and K respectively.”
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